Uncategorized Archives - Water Treatment Plants

June 13, 2024

In Agra effective water management has become increasingly important. With the growing population and flourishing industries, there is a need for efficient wastewater treatment. This is where ETP (Effluent Treatment Plant) and STP (Sewage Treatment Plant) manufacturers step in to play a crucial role in maintaining clean and sustainable water resources for the city. We, we’ll explore ETP and STP plant manufacturer in Agra.

Need for ETP and STP Plants in Agra

Agra faces challenges managing water due to the large number of visitors and growth of industries like textiles, leather, and food processing. This has led to a significant amount of wastewater being produced. If not treated properly, this wastewater can harm the environment and public health. Untreated industrial effluents can contaminate water bodies, leading to the depletion of aquatic life and the spread of waterborne diseases. Similarly, domestic sewage, if not properly treated, can pollute groundwater sources and surface water reservoirs, making the water unsuitable for consumption and other purposes. Moreover, the Yamuna River flows through Agra, making it essential to protect its ecological integrity. The release of untreated wastewater into the Yamuna can have significant consequences, affecting not only the local community but also the entire region downstream.

Role of Netsol Water as a Leading ETP and STP Plants in Agra

Nesol Water is a leading ETP and STP plant manufacturer in Agra. With over 2 decades of experience and a deep understanding of the region’s unique requirements, Netsol Water has established itself as a trusted partner in delivering cutting-edge solutions.

Netsol Water’s ETP plants are designed to treat industrial effluents, removing harmful pollutants and contaminants before discharging the treated water back into the environment. Their advanced technologies, such as membrane bioreactors, activated sludge processes, and tertiary treatment plants, ensure that the treated effluent meets stringent regulatory standards.

Netsol Water’s STP plants offer comprehensive solutions for the treatment of sewage. These plants employ various biological and physical processes to remove solid waste, organic matter, and harmful pathogens from the wastewater. The treated water can then be safely discharged or reused for non-potable purposes, such as irrigation or industrial cooling processes.

Netsol Water stands out due to its dedication to providing customized plants. The company recognizes that each industry and municipality has distinct requirements. Its team of experts collaborates closely with clients to create and execute personalized ETP and STP plants that fulfil their specific needs. Moreover, Netsol Water prioritizes sustainability and environmental responsibility. Their plants are designed to minimize energy consumption and maximize resource recovery, aligning with the city’s goals of promoting eco-friendly practices.


Given the increasing water scarcity and environmental issues, the significance of ETP and STP plants cannot be overstated. By collaborating with Netsol Water, a leading ETP and STP plant manufacturer in Agra, the city can proactively safeguard its water resources and ensure a sustainable future. Netsol Water’s commitment to excellence, innovation, and customized plants has earned them a well-deserved reputation as the top ETP and STP plant manufacturer in Agra. Their contribution to preserving the city’s water bodies, protecting public health, and promoting environmental protection is commendable. As Agra continues its rapid development and urbanization, the demand for efficient and sustainable wastewater management becomes increasingly critical. Netsol Water, with its advanced technologies and comprehensive approach, is playing an important role in ensuring that the city’s residents and visitors have access to clean and safe water. By addressing the challenges of wastewater management, Netsol Water is contributing to the overall well-being and environmental sustainability of Agra, allowing the city to progress with confidence into the future.

Do you need advice or assistance in selecting the best water and wastewater treatment unit? We have solutions for all your problems!
For assistance or queries,
Call on +91-965-060-8473
Or write us at enquiry@netsolwater.com



January 5, 2023

Industrial ro plant desalination is a water treatment method that uses membrane separation to produce fresh, low-salinity drinkable water from a saline water source (seawater or brackish water). Total dissolved solids (TDS), a water quality characteristic whose concentration is stated in milligrammes per litre (mg/L), or parts per thousand, is often used to quantify the mineral/salt content of water (ppt).

For both big and small flows, reverse osmosis is particularly successful in treating brackish, surface, and ground water. Pharmaceutical, food boiler feed water, and beverage, metal finishing, and semiconductor production are a few examples of businesses that employ RO water.

By delivering clean, filtered water that can be utilised for both production and consumption, industrial RO plants are a new technology that have shown to be beneficial for industrialists, housing societies, hostels & restaurants, and hospitals. Since they effectively remove up to 99% of dissolved particles, pollutants, or impurities from the water, ensuring its safety, purity, and cleanliness, they come highly recommended.

What is an Industrial RO Plant? 

An industrial RO Plant system is a manufacturing facility that uses reverse osmosis to purify polluted water. A range of pre-treatment techniques, including softening, dechlorination, and antiscalant treatment, are necessary for the Industrial RO Water plant. Following pre-treatment, water is forced under intense pressure through a semipermeable membrane that traps all of the impurities while allowing only clean water to flow through. Energy levels are determined by the number of salts and pollutants in the water.

For every cubic metre of water that is purified, an industrial Reverse Osmosis system uses 6 kilowatt hours of power.

What is Reverse Osmosis process?

Reverse osmosis (RO) is a useful technique that purifies water by desalinating it and filtering out all pollutants by applying pressure to a semipermeable membrane. Let’s first comprehend the osmosis process in order to fully comprehend the reverse osmosis procedure:

Osmosis is a natural process in which a liquid, such as water, travels through a semipermeable membrane that only permits some molecules, such as water, to pass through while preventing the passage of other molecules, such as salts and organic debris. In order to balance out the difference in salt content between the two solutions, liquids naturally pass across a membrane. Freshwater, a low-concentration solution, moves liquid toward seawater, a high-concentration solution. Reverse osmosis is the term for when a liquid flow is reversed. The Industrial RO plant has this reverse osmosis process as standard equipment.

We may push water molecules to move in the opposite direction across the semipermeable membrane from the salty saltwater side to the freshwater side by applying pressure to the highly concentrated solution, such as seawater.

Polymethacrylate, polyamides, and cellulose acetate are frequently used to create semipermeable membranes.

What benefits can Industrial Ro Plants offer?

Due to the following advantages, it offers industrial RO plants are highly sought after:

Installation and maintenance are simple.

Reverse osmosis is a dependable method.

It eliminates high molecular weight organic matter, ionic salts, viruses, non-ionic, colloidal matter, active and inactive microorganisms, and non-ionic substances.

The system is entirely automated.

Industrial RO System Types:
  1. Industrial RO Plant, 100 LPH

Small businesses, hospitals, hotels, schools, and other establishments can all benefit from a 100 LPH RO Plant. It is a powerful system with a 60% water recovery rate that can run for up to ten hours.

2.150 LPH RO System

150 litres of contaminated water per hour are filtered using a 150 LPH RO system. It is extremely effective and does not need routine maintenance. It uses less electricity and is energy-efficient.

3.200 LPH RO Plant

Suitable for medium-sized buildings, complexes, schools, etc. is the 200 LPH RO system. There was a sudden requirement for 400–500 personnel. It is simple to use and keep up with.

  1. 250 LPH RO Plant

250 litres of tainted water are cleaned by a 200 LPH RO system. Low water Rejection Site is present. It doesn’t require any manual labour and is simple to use.

5.350 LPH RO Plant

Hotels, hospitals, food processing plants, and other facilities can use our 350 LPH RO Plant. A powerful system with a 70% water recovery rate that can run continuously for up to 10 hours.

  1. 500 LPH Fully Automatic RO Plant

It can effectively handle the daily water needs of 800 to 1000 people.  Dependable for its operating performance and superb 500 litres per hour capacity with 6 filtering stages.


Industrial RO Plants are manufacturing facilities that use the most recent technology to effectively purify polluted water so that it may be used for a variety of industrial applications that call for desalinated water. For the plant to last for many years and produce water of the highest quality, proper monitoring and maintenance are essential. If you’re searching for an industrial RO plant, get in touch with Netsol water solutions to learn more.

The well-known brands like Netsol , hold 80% of the market for commercial RO plants. Most consumers are happy because they can easily obtain the services, at a required location. For any other support, inquiries, or product purchases, call on +91-9650608473 or email at enquiry@netsolwater.com

January 5, 2023

Sugar cane mill is another name for the sugar industry, from which sugar production is carried out. Cane is a cash crop, as is well known. Although the biggest industry that contributes to the development of the nation is the sugar industry. However, it is considered to be one of the main sectors that has been listed as a polluting sector. The effluent from the sugar industry is very polluted.


For every tonne of crushed sugar cane produced by the sugar industry, 1,000 L of effluent is produced. If released without treatment, sugar industrial wastewater can pollute both aquatic and terrestrial environments.


Let’s talk about effluent treatment plant in sugar industry, in detail.


Sources of effluent in sugar industry


Water splashed to extract the most juice and water used to cool the roller bearings are among the waste products from the sugar industry. Because of the machines and sugar, the mill house waste has a high BOD content. The juice filtering cloth has to be cleaned. Despite its tiny volume, the effluent produced in this manner has a significant BOD and suspended particles content.


Additional waste is also produced as a result of molasses handling as well as juice, syrup, and molasses spills and leakage in various parts. The regular cleaning of the floor adds significantly to the pollutant burden. Despite the fact that these wastes are intermittently emitted and tiny in amount, they have a very high BOD.


Effluent treatment plant for sugar industry


Large-scale water consumption and the production of organic compounds as liquid effluents pose serious environmental issues for the sugarcane processing sector. Due to the environmental issues connected to this activity, the inadequate and careless disposal of this effluent in soils and aquatic bodies has attracted a lot of attention in recent years.


However, an improved water and material economy can help sugar mills, like all other sectors, minimise their pollution output. Therefore, water should be used wisely in effluent treatment plant processes and recycled whenever possible. The steps included in Effluent treatment plant are described as follows:


  1. Screen chamber cum oil & grease tank: The huge floating objects are removed using the screen chamber (Bar Screen). Untreated wastewater may include paper, big floating particles, and other things. The screening chamber stops these debris from fouling the pumps, impellers, and equipment, as well as from choking the piping system. All of these materials are removed from this chamber using a 10 mm wide by 50 mm deep bar screen that is set with 20 mm between each bar. Frequent cleaning operations are conducted to remove stuck materials. The purpose of the oil and grease chamber is to remove oil and grease from the influent, which can harm the pumping system and jeopardise biological treatments.


  1. Equalization Tank: Peak daily or wet-weather flow can be temporarily stored in equalization basins. In addition to serving as a temporary holding area for incoming effluent during plant maintenance, basins also allow for the batch dilution and distribution of toxic or highly concentrated wastes that might otherwise prevent biological secondary treatment (such as portable toilet waste, waste from vehicle holding tanks, and septic tank pumpers). Aerators may also be included in flow equalisation basins, which also often have capabilities for bypass and cleaning and variable discharge control. If the basin is located after screening and grit removal, cleaning might be simpler.


  1. Mixing Tank: In general, mixing tanks are created by mixing the influent that is kept in the equalization tank. Mechanical stirrers are used to perform the mixing.


  1. An aerator-equipped aeration tank: A liquid or substance is aerated when air is pumped through it, combined with it, or dissolved in it. As a result, aeration tanks are provided to aerate the effluent so that biological waste treatment can proceed more effectively.


  1. Clarifier: Clarifiers are sedimentation tanks with mechanical mechanisms for continuously removing sediments that are being deposited. A clarifier is frequently used to remove solid particles or suspended solids from a liquid in order to clarify and/or thicken it. Additionally, sludge is referred to the concentrated pollutants that are released from the tank’s bottom, whereas scum refers to contaminants that float to the liquid’s surface.


  1. Drying sludge bed: The settled sludge is dewatered using sludge drying beds. In order to keep the concentration of MLSS in the aeration tank constant, the extra sludge from the clarifier is periodically discharged to sludge drying beds. These are the sand beds, which consist of a gravel layer that is about as thick as the sand layer and is perforated beneath it. The drainage lines are located 2.5 to 6 metres apart. The bed should incline at a rate of 1 in 200 towards the discharge end.




The effluent treatment plant’s overall performance is quite satisfactory. Additionally, the individual units operate effectively, and their removal efficiencies are acceptable. Therefore, it can be concluded that the effluent treatment plant in sugar industry is operating efficiently because the treated effluent complies with the MPCB requirement for discharge in inland surface water. This treatment facility has a strong potential for pH, temperature, TDS, and COD reduction. At the ETP’s output, the industry’s garden area receives the treated effluent.


For any other support, inquiries, or product purchases, call on +91-9650608473 or email at enquiry@netsolwater.com

January 5, 2023

Effluent is the stream that leaves a chemical reactor and, in engineering, is defined as the outflow of water or gas from a natural body of water, a man-made building, or both. It may also be described as Waste water, whether treated or untreated, that drains from a treatment facility, a sewage line, or an industrial outlet.

Thus, with the aid of an Effluent Treatment Plant (ETP), waste water, or untreated effluent, is converted into treated effluent. The environment is then securely supplied with clean water. Although effluent treatment is the most beneficial when it comes to wastewater purification, its process is somewhat complicated and needs a proper understanding. A lot of calculations are also done for effluent treatment plant and here we are going to learn about some calculations incorporated:

Loading rate:

Volumetric loading rate (kg of BOD applied per unit volume of the reactor per day) or kg of BOD applied per day per unit mass of microorganisms present in the reactor are two ways to quantify the amount of organic matter being loaded into the reactor (i.e. in the aeration tank), Organic loading rate, often known as F/M, This may be computed as follows:

Volumetric loading = Q x L x 10-3/ Vol

Where, L = Influent BOD5 to aeration tank, mg/L

Q = Flow rate, m3/day

Vol. = Volume of aeration Tank, m3

Organic Loading Rate, F/M = Q x L / (V x Xt)

Where, Xt = MLVSS concentration in the aeration tank, mg/L

The primary element influencing BOD elimination is the F/M ratio. Higher BOD removal will result from lower F/M levels. By adjusting the MLVSS concentration in the aeration tank, the F/M may be changed.

Solid Retention Time (SRT) or Mean Cell Residence Time (MCRT):

The length of time the microbial mass is kept in the system affects how well the ASP performs in terms of removing organic debris. The sludge’s retention is influenced by how quickly it settles out in the SST. It will be easier to maintain the system’s ideal SRT if the sludge settles nicely in the SST and can be properly recirculated in the aeration tank. If the sludge has poor settling qualities, on the other hand, it won’t settle in the SST and recirculation of the sludge will be challenging, which might lower the SRT in the system. As described below, one can estimate the SRT.

Food to mass ratio:

The ratio of food entering the activated sludge process to the volume of microorganisms in the tank is known as the “food to mass ratio.”

Sludge volume index:

The amount of retum sludge is calculated using a volumetric method. The volume of the dudge in millilitres (ml) for each gramme of dry weight of suspended solids (SS), measured after 30 minutes of settling, is known as the sludge volume index (SVI). The SVI fluctuates between 50 and 150 ml/g of SS. Lower SVI suggests improved sludge settling.

Quantity of Return Sludge:

For traditional ASP, solid concentration is typically maintained at 1500 to 3000 mg/L (MLVSS 80% of MLSS) and at 3000 to 6000 mg/L for entirely mixed ASP. In order to keep this concentration, the amount of return sludge is calculated. Typically, the sludge to ratio ranges from 20 to 50%. For traditional ASP and fully mixed ASP, the F/M ratio is maintained at 0:2 to 0.4 and 0.2 to 0.6, respectively.

BOD calculation:

(Initial D.O. – Final DO)* 300 ml)/Sample Volume (mL)

Ordinary lakes and streams often have a tiny quantity of dissolved oxygen (DO). An essential component of mineral water is dissolved oxygen, which preserves the aesthetic value of aquatic species, streams, and lakes. As a function of biological oxygen demand, organic matter decomposition in water is monitored. However, manmade causes such as environmental pollution and others can lower the quantity of dissolved oxygen in aquatic environments.

The biochemical oxygen demand is essentially a measurement of the volume of oxygen needed for aerobic bacteria to decompose organic waste in water. Commercial and manufacturing industries must implement a wastewater pre-treatment or disposal programme in order to comply with the BOD limit.

Why Netsol!

Leading producer of water and wastewater treatment plants, Netsol Water is situated in Greater Noida. Based on customer feedback and the calibre of our work, we are the industry’s most demanding organisation.

We are regarded as the top producers of industrial RO plants, sewage treatment plants, commercial RO plants, water softening plants, and effluent treatment plants. Our USP, aside from this, is our 24-hour customer service.

You may reach us by phone at +91-9650608473 or by email at enquiry@netsolwater.com if you have any questions about our products, services, or support.

January 5, 2023

Due to its high-water use, the dairy business is one of the most environmentally damaging of all food industries. One of the main industries contributing to water contamination is dairy. Given the rising demand for milk, the dairy industry in India is predicted to expand quickly, and waste generation and associated environmental issues, are also given more weight.


The dairy business may perform a number of activities, such as pasteurisation, cream, cheese, milk powder, etc. When released to the surface of the land or water, poorly treated wastewater with high levels of contaminants produced by treatment systems, causes significant environmental issues.


Effluent treatment plant for dairy industry


For every litre of milk produced, approximately 2.5 litres of effluent are produced. A by-product mostly produced in the cheese industry, is the principal pollutant in wastewater from milk processing.


Due to its high organic and nutrient loading, dairy processing has a significant negative influence on the environment. Extreme pH variations and large volumes of dairy effluent cause a variety of pollution issues, such as rapid dissolved oxygen depletion because of the high organic loading, which causes anaerobic conditions, the release of volatile toxic substances, the extinction of aquatic life, and ensuing environmental harm.


Characteristics of dairy effluent


While, the industry produces milk, butter, or cheese, it also produces large quantities of BOD (Biochemical Oxygen Demand) and COD (Chemical Oxygen Demand), which need to be treated before being released into the environment. Other typical effluents include milk fat, suspended particles, and dairy-related smells that must be controlled.


Such a dairy effluent treatment plant is necessary for every dairy production facility, in order to effectively address the uneven levels of BOD, COD, suspended, and dissolved solids, and enable the safe disposal of industrial waste.


ETP Treatment Units for dairy industry


  1. Skimmer Tank
  2. Tank for Equalization
  3. Aeration Tank
  4. Settling Tank
  5. Oxidation Tank


Treatment Steps in dairy effluent treatment plants


The effluent from the numerous point sources is gathered in a combined subterranean sewer, transported to the effluent tank, where it is equalised before being fed into the following units. The effluent goes via the skimming tank, which is an oil and grease separator, and then is split in two and goes through the aeration tank. The combined aeration tank effluent travels into the oxidation ditch. The oxidation ditch’s cleaned effluent is either released into the sewer system or used for gardening purposes.


Steps in dairy effluent treatment plant are as follows:


  • Using pH controllers like caustic or acid, the pH level is initially raised to 8.5. Any emulsions are later broken down, and solids are made to precipitate with the aid of a de-emulsifier.


  • Dissolved air flotation and flocculation are two additional crucial phases in the treatment of dairy effluent. The wastewater is cleaned further using the air flotation process, by being flocculated into a slow mix zone, where the smaller particles are aggregated into larger ones.


  • The Air Dissolving system blows the treated effluent, pressurises it, and dissolves it using air. This is how the Dissolved Air Flotation process operates.


  • The batch of sludge is then discharged in accordance with environmental laws, after being pumped through the filter press or by passing it through membrane processes.


As a result of the Effluent Treatment System created especially for the dairy industry, less money is spent on operations, the dairy operations run smoothly, while environmental standards are met.


Here are some noteworthy aspects of our dairy wastewater treatment facility:


  • Water use can be reduced and cooling water can be managed for reuse, with careful chemical application.
  • Nozzles can be installed that are high pressure, which restrict water usage and ensure saving every drop of water.
  • Effluent can be made into treated water with processes like membrane separation and absorption, after which water is safe to reuse.
  • Our effluent treatment plants for dairies can also collect effluents from processing systems, sanitary installations, and even from condensation systems, resulting in proper wastewater treatment for better reuse.


About Netsol Water Solutions


With clients from all around the country, Netsol Water Solutions have more than a decade of experience. Our environmental services encompass the idea of commissioning effluent treatment plants for dairy industries. Contracts for sewage/wastewater treatment plant operation and maintenance, installation of the entire plant under construction, environmental impact assessment studies, environmental audits, water supply and sewage system designs for the townships, environmental management planning, and disposal structure designs, are all included.


For any other support, inquiries, or product purchases, call on +91-9650608473 or email at enquiry@netsolwater.com/

January 5, 2023


It is the duty of all industries to make sure that their trade effluent complies with all applicable municipal, regional, and federal regulations. The ability of a corporation to discharge wastewater into a river, lake, sewer, or other outfall will typically depend on the wastewater’s composition meeting certain requirements. These parameters will differ significantly between nations and industries, but they typically include the temperature, COD (chemical oxygen demand), pH, FOG (fat, oil, and grease) content, proportion of suspended solids, and concentrations of heavy metals, sulphates, and other industry-specific chemicals in the effluent. Numerous regulatory bodies also regulate the procedures to be utilised and the frequency of wastewater testing, carrying out frequent audits and spot checks to verify compliance. A licence may be cancelled, effectively stopping a firm in its tracks, but it is more likely that noncompliance will result in financial penalties.

What use does the effluent treatment plant serve?

Most businesses in a variety of industries utilise effluent treatment plants (ETPs) to purify water and remove any toxic and non-toxic materials or chemicals from it so that it can be reused or released in the environment with less environmental harm.

Effluent treatment plant chemicals

pH neutralizers, anti-foaming agents, coagulants, and flocculants are the four primary categories of chemicals used in wastewater treatment.

pH neutralizers are the simplest class of chemicals; however, their uses and benefits depend on the process that generates the wastewater. In order to minimise undesired chemical reactions when wastewater combines with other effluent, wastewater effluent going into the sewage system should ideally be entirely neutral at pH 7, which is neither too acidic nor too basic. If wastewater is discharged directly into a lake or river, pH neutralisation is even more crucial since localised pH changes can harm species and have a negative impact on the surrounding ecosystem. Unfortunately, a lot of industrial and manufacturing operations involve basic or acidic chemicals that are ultimately flushed away, such as bleach to clean food production facilities or acid to etch metal parts. Additionally, post-process water treatment can involve pH modification (often from acidic to basic) to precipitate out dissolved pollutants such heavy metals and hazardous metals, which then need to be neutralised before outflow. It is easy to make sure that the pH of the effluent outflow to the sewer is within the specified standards by adding modest, carefully regulated dosages of a strongly acidic or, more frequently, basic substances (such as sodium hydroxide (NaOH)) during wastewater processing.

The next class of substances used in wastewater treatment are anti-foaming agents. Due to the fact that foam is created when air bubbles in wastewater are released, it can be a major concern for many industrial processes. Foams can decrease the effectiveness of water processing by altering the fluid’s physical qualities, which increases mechanical wear on pumping systems and causes drainage issues by jamming sieves and filters. Additionally, foams can lead to deposits forming in storage tanks and processing vessels, increasing the need for cleaning, and posing health risks by promoting bacterial growth. Foams can also be visually offensive and harm a local business’s reputation. Although there are several anti-foaming agents on the market, including insoluble oils, silicones, alcohols, stearates, and glycols, they are all fundamentally low viscosity compounds that break down surface foam and cause air bubbles to pop. Anti-foaming agents are regarded as a simple class of chemical by many water treatment chemical suppliers, but choosing the right agent and dosing regimen can significantly affect the effectiveness of water treatment plants and ongoing operational costs, in terms of both chemical consumption and higher maintenance costs.

The final two main categories of water treatment chemicals, coagulants and flocculants, work together to clarify wastewater and remove suspended solids. To balance the charge of suspended particles, coagulants, which are low molecular weight, ionically charged compounds that are normally positively charged, are utilised. They can be organic polymers or inorganic compounds made of aluminium or iron that work against the “repulsive” action that prevents negatively charged particles from aggregating. The charge-neutralized particles are subsequently bound together into larger aggregates, or flocs, using high molecular weight flocculants to hasten the water clarification process. There are a good number of coagulants and flocculants out there, and the best combination will rely much on the effluent flow composition and the water treatment plant’s design. Most wastewater treatment facilities that employ chemical treatment techniques rely on either settlement or flotation to remove suspended solids. The exact design of the plant should be carefully matched to the nature of the effluent, but generally speaking, settlement strategies are used to remove heavy solids, which are common in manufacturing industries, while floatation is better suited to do so, for example in food processing applications. The operation of the plant and the kind of suspended material that needs to be removed should both be taken into consideration when selecting a coagulant and flocculant. Making the proper decisions can have a big impact on both profitability and regulatory compliance.


Netsol Water Solutions are well-known for producing and providing our customers with a variety of Effluent Treatment Plant Chemicals (ETP) Chemicals. Our selections of these are made with high-quality chemicals that come from reputable and approved industry suppliers. In order to provide our prestigious clients with products of the highest calibre and without defects, these substances are also rigorously examined by quality experts. These are offered by us to customers at fair market rates.

January 5, 2023

A full water purification system that can rapidly remove pollutants from water is known as an industrial RO plant. A pre-treatment unit, a RO (reverse osmosis), and a post-treatment unit are all parts of the system. While the RO unit filters out tiny particles, the pre-treatment unit filters out larger ones. The post-treatment unit can be used to further purify the water or to put minerals back into it. Customers benefit from industrial RO plants because they may get clean, secure water for drinking, cooking, and other uses.

Utilizing an industrial RO plant has advantages for higher water quality, better taste, and longer equipment lifespan. Additionally, users will reduce their monthly water expenses. Let us get to know each of the benefit in detail for better understanding.

Environmental Advantages:

Less hazardous waste water is one of the key environmental advantages of employing an efficient reverse osmosis system. This is because the production of the permeate doesn’t require any dangerous chemicals (pure water). One of the greenest methods for treating industrial wastewater is reverse osmosis. The capture and proper disposal of impurities within the mains water feed are another environmental benefit of RO. Without the discharge of hazardous chemically saturated water to the effluent or drain.

Without using chemicals, resins, or ion exchange beds, our state-of-the-art membrane design filters out pollutants from the water supply. In compared to a membrane system, the removal and disposal of the resins and ion exchange beds has a significant environmental effect at the end of the life of chemical-based systems. An RO system’s concentrated pollutants can then be released directly to the drain without the requirement for an additional, expensive effluent treatment step.

Cost Advantages:

While the cost of employing reverse osmosis and membrane components is down, the price of acid and caustic solutions is still rising. Electricity is the main expense for reverse osmosis systems. Modern water filtration systems use less energy, which results in reduced operational costs.

The installation of a RO system allows for direct input into the manufacturing line or storage in a holding tank before usage as needed. Wastewater streams can pass through an RO system, which helps to lower disposal costs by reusing the water again in the process.

Benefits for Health and Safety:

The fact that no dangerous chemicals are used in a reverse osmosis system to provide high-quality water is one of the key advantages for health and safety. Traditional resin-based ion exchange systems employ exceedingly hazardous acids and alkalis. Reverse osmosis replaces conventional processes like chemical treatment with more efficient and portable gear. By removing the conflicting risks of physical handling and having hazardous chemicals on site, this makes the workplace safer for the employees.

Maintenance Advantages:

Because it is a self-contained device, the RO system is very low maintenance. It is self-cleaning and operator involvement is low. Instead of being actively maintained, it just needs daily supervision from the staff that are already there.

With little downtime required, productivity is maintained. Pre-filter replacement is quick and easy, and it is ergonomically sound. Depending on a number of variables, including the kind and quantity of feed water, the membranes can last two to three years. In contrast to resin-based systems, which may require days, 100% of the membranes within a specific system may be replaced in a matter of hours.


With these advantages and benefits, reverse osmosis utilisation is expected to rise across all industrial sectors. It provides less risks to employees, is more effective, economical, ecologically benign, and needs little upkeep. Both commercial and industrial operations can employ reverse osmosis.

If you are curious to know more about the best commercial or industrial RO manufacturing company in your vicinity, feel free to contact us an at +91-9650608473 or enquiry@netsolwater.com

December 13, 2022

Security of water, food, and energy is becoming a critical concern of many developing countries, including India. The majority of rivers and canals are contaminated and have moderate to severe water shortages, as a result of the simultaneous effects of agricultural expansion, industrialisation, and urbanisation. A significant point source of pollution is sewage.


After necessary treatment, wastewater and low-quality water are becoming potential sources for demand control. Therefore, it is possible to consider sewage as a source of water that can be used for a number of advantageous purposes, such as ground water recharge through the surface storage of treated water or rain/flood water in an open reservoir.


In addition to this, decentralized treatment of sewage is advised to decrease significant costs, and is associated as a variety of procedures that eliminate water pollutants, to safeguard both the environment and people.


Is a drainage field necessary for a sewage treatment plant?


If you’re considering installing a sewage treatment plant, you might be asking if you also need a drainage field!


In India, both residential and business premises employ sewage treatment plants, to process wastewater safely and effectively. Additionally, properties can process their own water without relying on the city’s sewage system, thanks to sewage treatment facilities and septic tanks.


Processing and recycling wastewater is not only good for the environment, but it can also save money because there are no sewage costs.


Let’s find out why sewage treatment plant require a drainage field


A drainage field, also known as soakaway, is a network of pipes that are buried in trenches to allow effluent to drain to the ground. It is a sizable, coarse-stoned pit sunk into the ground.


The field needs to be built in such a way that aerobic digestion can be used to treat the effluent. To ensure aerobic contact, it must be built in the top 700–800 mm of the soil for it to function well. By gathering surplus surface water, purifying it further, and allowing it to slowly flow back into the environment in a controlled manner, drainage fields are used to manage excess waste. For residences and businesses not connected to the main sewage system, a drainage field is a way to filter wastewater before releasing it into the ground.


Need of a drainage field


However, the water discharged from the sewage treatment plant or a septic tank, is primary treated effluent, which means it has only undergone one level of treatment. It still smells bad and is dangerous to the environment, when it is released from the tank.


Therefore, before it can be safely released into the environment, water from a sewage treatment plant needs to go through additional treatment, and cleaning in a soakaway or drainage field.


Can a drainage field get blocked?


The improper things could clog your drainage field if you flush them down the toilet, and down the drain into your sewage treatment facility or a septic tank. Wipes, diapers, cotton swabs, and other objects can all obstruct a drainage field.


Obtain professional advice about drainage field utilization after STPs


With about more than a decade of experience in the design, production, and installation of sewage treatment plants and drainage systems, Netsol Water Solutions can provide advice for both new construction and system replacements.


You can always rely on us to assist you in choosing the best product for your needs, and to support your project from installation to system maintenance, all while ensuring that you adhere to all applicable legal and environmental regulations.


For any other support, inquiries, or product purchases, call on +91-9650608473 or email at enquiry@netsolwater.com.

December 13, 2022

Not all industrial facilities that create wastewater will need to release nothing but liquids. It is typically seen as a last option because it can be a difficult procedure with a hefty upfront cost.

It might be worthwhile to pursue if a facility is situated on a site with severe water scarcity problems and/or exorbitant discharge fees, but if it’s not required (some local and/or federal regulations might require ZLD), careful consideration must be given to whether or not it will benefit your facility.

You might be thinking, “How does it work? ” well the lengthy response to this query is condensed and explained for you below:

What is the process of a ZLD treatment system?

Although specific procedures for treatment vary, a common Zero Liquid Discharge treatment centre procedure often entails the following steps:

Pretreatment and Conditioning 

Pretreatment is used to condition the water and reduce suspended particles and materials that may otherwise scale and/or foul subsequent treatment procedures. It removes simple substances from the wastewater stream that can be filtered out or precipitated out. Usually, the clarifier and/or reactor in this treatment block precipitate out the metals, hardness, and silica.


It may be necessary to employ caustic soda or lime at this step to help the coagulation process, which entails adding various chemicals to a reaction tank in order to remove the majority suspended particles and other impurities.This procedure begins with a variety of mixing reactors, usually one or two reactors that add certain chemicals to remove all of the smaller water particles by combining them into larger particles that settle out. Aluminum-based coagulates like polyaluminum chloride and alum are the most frequently utilised coagulants. Sometimes coagulating the particles will also benefit from a slight pH adjustment. When coagulation is finished, the water enters a flocculation chamber where long-chain polymers (charged molecules that grab all the colloidal and coagulated particles and pull them together) are stirred in to combine the coagulated particles, resulting in visible, settleable particles that resemble snowflakes.


Water and flocculated material enter the gravity settler’s chamber (or the sedimentation part of the ZLD treatment process), where they flow outward from the centre. The water rises to the top and overflows at the edge of the clarifier, causing the sediments to gradually fall to the bottom and create a sludge blanket. After the solids are gradually mixed in the centre of the clarifier in a cylindrical tube, the sludge is then pushed out of the bottom into a sludge-handling or dewatering operation. The settlers can alternatively be created using a plate pack for a more compact footprint.


Alternatively, to using a gravity sand filter after the clarifiers, ultrafiltration (UF) can alternatively be utilized as a replacement for the complete clarifying process. The newest method for treatment is membranes, which bypass the entire clarifier/filtration train and pump water straight from the wastewater source via the UF (post-chlorination). This technique produces a liquid that is subsequently filter-pressed into a solid, leaving behind a solution with far less suspended particulates and no scaling-up concentration treatment options.

Phase one Concentration

Reverse osmosis (RO), brine concentrators, or electrodialysis membranes are frequently used for concentration in the early phases of ZLD.

The majority of the dissolved solids that pass through the process will be captured by the RO train, but as was we know about typical ZLD issues, it’s critical to only flow pretreated water through the RO system because untreated water will quickly foul semipermeable membranes. On the other hand, brine concentrators can typically handle brine with a much higher salt content than RO and are also used to remove dissolved solid waste. They produce a reduced volume of waste fairly effectively.

This section of the ZLD system also allows for the use of electrodialysis. It is a membrane method that may be applied in phases to concentrate the brine and employs positively or negatively charged ions to allow charged particles to pass through a semipermeable membrane. It frequently works in tandem with RO to produce incredibly high recovery rates.

Together, these technologies can concentrate this stream’s salinity down to a high level while removing between 60 and 80 percent of the water.


The process of creating a solid, which comes after concentration, is carried out by heat processes or evaporation, in which all the water is removed, collected, and used again. By adding acid now, you may neutralize the solution and prevent scaling and damage to the heat exchangers while heating it. To release dissolved oxygen, carbon dioxide, and other nonconsensual gases during this stage, deaeration is frequently used.

After that, the remaining waste is transferred from an evaporator to a crystallizer, where it continues to boil off all the water until all of the impurities in it crystallize and are filtered out as a solid.


Last but not least, Netsol has years of expertise in custom-designing and producing industrial wastewater treatment, so please feel free to contact us with any inquiries.

Contact us here on +91-9650608473 or email at enquiry@netsolwater.com if you’d like further details or to get in touch. In order to schedule a conversation with an engineer or submit a price request, you may also visit our website.

We can guide you through the process with the best solution and a reasonable price for your ZLD wastewater treatment plant’s requirements.

December 13, 2022

In the present era, wastewater/sewage treatment is required in many industries. When it comes to hospitals, they use a lot of water daily and generate a lot of wastewater.


Since, hospital sewage and wastewater contain a variety of potentially dangerous elements, it poses numerous threats to people’s health and the environment by contaminating surface and ground water. Consequently, hospital sewage treatment is absolutely necessary.


Sewage treatment plant and its requirement in hospitals


According to standard definitions, wastewater is made up of physical, chemical, and biological waste. Hospital sewage is wastewater that is produced in substantially greater amounts from all of the hospital’s departments, including emergency and first aid, operating rooms, drug treatment, intensive care units, radiography, chemistry and biology labs, canteen and laundry operations, etc.


Before it is directly released into the environment, hospital sewage treatment facilities’ main goal is to treat influent, or untreated wastewater, produced by the healthcare and hospital industries. Hospital wastewater may be harmful to the environment and to people’s health. Therefore, it is essential that all hospitals manage their wastewater properly.


Characteristics of hospital sewage


Hospital wastewater includes the following:


  • Bacterial and viral pathogens that are dangerous to humans.
  • Pharmaceuticals and their by-products.
  • Radioactive elements.
  • Risky substances and metals.
  • Drug traces.


Process used in a hospital sewage treatment facility


A sequence of processes is taken while creating a compact or packaged sewage treatment plant for hospitals. The following is a list of traditional procedures used to clean the influent of pollutants.


  1. Initial Phase or Pre-treatment


In the majority of sewage treatment plants (STP), the preliminary treatment procedure is crucial as a first step. Through bar screens, it removes huge material from the influent, including sticks, rags, and other large objects as well as heavy inorganic solids. The removal of these materials guards against damage to the plant’s machinery.


Additionally, grit is the term for the inorganic sediment that is eliminated using a grit chamber.


  1. Primary stage


The primary treatment stage is the next stage in the sewage treatment process. During this stage, particles and greases are physically separated from wastewater. In order to allow solid particles to settle and lighter particles to float to the top, water is now pumped into primary filters or clarifiers for a short period of time.


About 60–70% of the settled material, also known as primary sludge or primary effluent, is made up of solids. The effluent has now moved on to the next stage of treatment.


  1. Secondary Treatment Stage


This biological treatment stage eliminates dissolved inorganic elements from the wastewater, which are present in soluble and colloidal form. The colloidal and dissolved organic matter is converted in this case by microorganisms.


Now, the primary tank’s partially treated wastewater flows into the aeration tank, where air is supplied by an air blower to give bacteria oxygen. When wastewater enters the secondary clarifier, solids settle to the bottom and form secondary sludge.


Part of this sludge is recycled for use in the activated sludge process, while the remaining portion is combined with primary sludge and sent to the sludge digestion tank, for disposal. The inorganic solids are removed at this stage by around 90%.


  1. Tertiary treatment


The final stage of the majority of STPs is known as the tertiary or advanced treatment stage. The organic materials and suspended particles that were not removed during secondary treatment, are removed during this stage.


In this stage a technique, known as, Disinfection is used to get rid of the pathogenic bacteria that were left over after biological treatment. Several disinfection agents can be utilized based on wastewater quality.

Chlorine, UV radiation, ozone, and other chemical or physical disinfectants are used to achieve this. Wastewater that has been disinfected can now be disposed of or used again.




The dangerous elements in the sewage pose a risk to both human health and the environment, if the water is not cleaned properly. Therefore, sewage treatment facilities in hospitals are always required, to minimize negative environmental effects.


Hospital sewage treatment plants by Netsol Water Solutions


These plants are manufactured by Netsol Water Solutions, a reputable company known for producing the best sewage treatment systems. The primary goal of this framework is to remove solid and liquid waste from wastewater, turning wastewater into useable water.


We offer production and upkeep services globally. Many people throughout the world benefit from this system’s special technique. These plants are useful not only in hospitals but also in hotels, malls, complexes, canteens, etc.


For any other support, inquiries, or product purchases, call on +91-9650608473 or email at enquiry@netsolwater.com

Greater Noida


Plot-164, Udyog Vihar Extension,
UPSIDC Site B, Surajpur,
Greater Noida, Uttar Pradesh 201306
+ 91-9650608473




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