Sewage Treatment Plant

January 6, 2023

According to the legal guidelines for Sewage Treatment Plants gave by CPCB, different infrastructures like Apartments, Commercial Development Projects, Educational Institutions, Municipalities, and Area Advancement Undertakings meeting specific models need to introduce STPs for the treatment of sewage that they produce.

The guideline rules cover angles in regards to the area of STPs, the STP technology to take on, working as well as its maintenance to guarantee effective and safe activity of the machinery.

The Guidelines gave for STPs by CPCB Guidelines for Sewage Treatment Plants are as per the following:

CPCB Guidelines for Sewage Treatment Plants

1. The Technology of STP

The approved STP technologies to go with are-

  1. Activated Sludge Process (ASP) (just when over 500 KLD sewage is generated).
  2. Membrane Bio Reactor (MBR)
  3. Moving Bed Bio Reactor (MBBR)

2. Unit Requirements of STP

STPs have different individual units where different sewage treatment processes happen. The units and their criteria according to the guideline’s prerequisite are as per the following.

SNo. Unit Activated Sludge Process (ASP) Sequential Batch Reactor (SBR) Membrane Bio Reactor (MBR) Moving Bed Bio Reactor (MBBR)
1 Equalization Tank Should have a minimum holding period of 8 hours Same as ASP Same as ASP Same as ASP
2 Anoxic Tank Return activated sludge should be pumped to anoxic tank for denitrification. Not Required Same as ASP Same as ASP
3 Aeration Tank Dissolved Oxygen in an excess of 4 mg/L has to be maintained in the Aeration Tank. Same as ASP Same as ASP Same as ASP
4 Membrane Tank Not Required Not Required Membranes should be replaced regularly as per its manufacturer’s specifications Not Required
5 Sludge Holding Tank Sludge holding should be madatoriliy provided for holding excess sludge before its dewatering. Same as ASP Same as ASP Same as ASP
6 Final Treated Water Holding Tank Capacity of the tank should be enough to hold water for 2 days minimum. Same as ASP Same as ASP Same as ASP
7 Sludge Drying Bed Instead of sludge drying bed, horozontal centrifuge system should be used for >500KLD STPs.


For <500 KLD STPs, belt press or screw press system should be used.

Same as ASP Same as ASP Same as ASP

3. Mechanical Equipment Requirement for STP

There should to be clear and simple access to the Bar Screen Chamber and Oil and Grease Chamber of STPs introduced. Likewise, the supplies should to be of the submersible sort with a simple removal/it is expected to destroy choice at whatever maintenance is required.

Air blowers of STP should to have Vibration mounts and acoustic fenced in areas to diminish the noise pollution.

4. Location of STP

STP should to be situated under the driveway, play area, or clubhouses, and distant from the residential housings to not make any subtlety individuals living.

Additionally, STP should not be installed in that basement of any structure or building. Admittance to the STP room should to be from Ground Level or Upper Basement through all around designed walkways or headroom, and not from the lowest basement to stay away from subtleties that might occur because of rain flooding, smell or sound.

5. Treated Sewage Standards

The sewage treated should meet the following standards.

S NO. Parameter Required Standards
1 pH 6.5-8.5
2 BOD(5th Day) <10mg/l
3 COD <50mg/l
4 Suspended Solids <10mg/l
5 Ammonical Nitrogen <5mg/l
6 Total Nitrogen <5mg/l
7 Fecal Coliform <100MPN/100ml

6. Guidelines for installing sensors

It’s compulsory to introduce sensors for observing sewage parameters like BOD, COD, TSS, stream, and pH.

The CPCB suggested sensor types with their correspondence conventions are as per the following.

S. No. Parameter Measurement Type Sensor Type Communication Type
1 pH Inline Ion Selective Glass Electrodes RS 485 Communication with Modbus
2 TSS Inline Turbidity to TSS correlation with

Nephelometric technique

RS 485 Communication with Modbus
3 BOD Inline UV-Vis Spectrophotometry

& combustion(Double beam

with entire spectrum scanning

RS 485 Communication with Modbus
4 COD Inline UV-Vis Spectrophotometry

& combustion(Double beam

with entire spectrum scanning

RS 485 Communication with Modbus
5 Flow Inline Electromagnetic Flow Measurement RS 485 Communication with Modbus


7. Caution Board at STP

Legitimate preventative billboards should to be displayed and security conventions should to be followed at the STP locations.

“Danger” Sign Sheets should to be introduced at the STP area for the maintenance personals and general public. What’s more “water not well for drinking” should to likewise be featured at the taps conveying sewage water.

8. Use of Treated Sewage

The treated water should to be compulsorily utilized for toilet flushing purposes that should to have a double pipes system.

9. Modular Operations of STPs

Modern activity of STPs suggests that the STP should to be created/developed in smaller units so it tends to be utilized according to the heap or inhabitance of individuals. In huge tasks where a higher limit of STPs required, the inhabitance in the underlying stages can’t meet the functional measures of the STP Plants. Thus, the component should to be viewed as in the plan stage itself.


November 16, 2022

Reverse Osmosis is a water treatment method that eliminates impurities from water, by applying pressure to drive water molecules through small pores of a semi-permeable membrane.

The impurities are filtered out when the water flows from the, more concentrated side of the RO membrane-which has more impurities, to the less concentrated side-which has fewer contaminants, leaving only clean and worthy drinking water.

Up to 99 percent of 65 distinct pollutants, including lead, fluoride, chlorine, dissolved salts, and more, can be eliminated via the reverse osmosis process. Let’s understand more about how reverse osmosis purifies water!

Components of a reverse osmosis system

The basic components of RO Plant are:

  1. Line of Cold-Water valve

It is a valve that attaches to the supply pipe for cold water. The valve contains a tube that connects to the RO pre filter’s inlet side. The RO system’s water supply comes from this.

  1. Pre-Filters

The Reverse Osmosis Pre Filter receives water from the cold-water supply pipe first. In a Reverse Osmosis system, more than one pre-filter might be employed; the most frequent ones are sediment and carbon filters.

These pre-filters are used to protect the RO membranes by eliminating debris that could block the system, such as sand, silt, and dirt. In addition, chlorine can be eliminated using carbon filters, to prevent damage to the RO membranes.

  1. Reverse osmosis membrane

The system’s heart beat is the reverse osmosis membrane. A wide range of pollutants, including those with an aesthetic or health impact, can be eliminated by the semi-permeable RO membrane.

The water enters a pressurized storage tank where treated water is kept, after passing through the membrane.

  1. Post filter

The treated water travels through a final “post filter” after leaving the RO storage tank, but before reaching the RO faucet. Typically, a carbon filter serves as the post filter. A post-filtration “polishing” filter gets rid of any lingering tastes or aromas, in the product water.

  1. Automatic Shut Off Valve (SOV)

The RO system incorporates an automatic shut off valve for water conservation. The automatic shut off valve closes when the storage tank is full, to prevent any additional water from penetrating the membrane, and to cease flow to the drain.

The shutoff valve opens to allow the drinking water to pass through the membrane, while the polluted wastewater is directed down the drain, as soon as water is drawn from the RO faucet, and the pressure in the tank reduces.

  1. Check valve

The outlet end of the RO membrane houses a check valve. The check valve stops treated water from the RO storage tank from flowing backward. The RO membrane could be ruptured by a backflow.

  1. Flow Restrictor

A flow restrictor controls how much water passes through the RO membrane. The main aim of flow control is to maintain the flow rate, necessary to get drinking water of the highest possible quality (based on the gallon capacity of the membrane).

Additionally, the flow restrictor aids in maintaining pressure on the membrane’s input side.

  1. Storage Tank

The typical RO storage tank has a capacity of 2 to 4 gallons. When the tank is filled, a bladder inside maintains the water pressurised.

  1. Faucet

A faucet is included with the RO unit and is mounted at the kitchen sink. Air gap faucets are required by plumbing codes in some places, however, non-air gap types are more prevalent.

  1. Drain line

This pipe connects the Reverse Osmosis membrane housing’s outlet end to the drain. Wastewater comprising pollutants and impurities that have been removed by the reverse osmosis membrane, is disposed of using drain line tubing.

How reverse osmosis purifies water?

The RO membrane is the essential part of a reverse osmosis system, however, it also has other filters. Every reverse osmosis water system also has a sediment filter and a carbon filter, in addition to the RO membrane.

Depending on whether the filters are used before or after the membrane, the filters are referred to as pre-filters or post-filters.

The Commercial RO Plant process typically has four stages:

  • SEDIMENT FILTER: This pre-filter stage is made to filter out sediment, silt, and dirt. It is crucial because it prevents dirt from reaching to the vulnerable RO membranes, which sediments can damage.
  • CARBON FULTER: It is intended to get rid of chlorine and other impurities that reduce the effectiveness and lifespan of the RO membrane, as well as enhance the flavour and odour of the water.
  • REVERSE OSMOSIS MEMBRANE: The RO system’s semi-permeable RO membrane is made to let water pass through, while removing practically all extra impurities.
  • FILTER FOR POLISHING: A final filter in a four-stage RO system polishes the water to get rid of any last-minute tastes and odours. It ensures that the water will be of the highest quality.


An RO system’s optimal performance depends on high-quality components. This is because, the best-intended results—high-quality water for homes and businesses—are eventually produced by RO units made with excellent craftsmanship, superior materials, and components.

In the last decade, Netsol Water discovered that the most important factor in differentiating between reverse osmosis systems is the quality of the components. Therefore, it becomes our primary responsibility of us to provide the highest quality RO systems, including Commercial RO plants as well as Industrial RO Plants.

For any other support, inquiries, or product purchases, call on +91-9650608473 or email at

November 16, 2022

Reverse osmosis (RO) produces clean, great-tasting water and is widely regarded as one of the most efficient water filtration techniques. Numerous uses for RO systems exist, such as faucets, whole-house, aquariums, and restaurant filtration. Whatever the initial quality of your water, there is probably an RO system that will work for you.

Reverse osmosis: What is it?

When pressure pushes water through a semipermeable membrane, reverse osmosis eliminates pollutants from unfiltered water, or feed water. To produce clean drinking water, water flows from the more concentrated side of the RO membrane—which has more impurities—to the less concentrated side—which has fewer contaminants. The permeate is the name for the produced fresh water. Waste or brine is the term for leftover concentrated water.

Small pores in a semipermeable membrane allow for the passage of water molecules but impede the passage of pollutants. Osmosis involves the concentration of water as it moves through the membrane to achieve equilibrium on both sides. However, reverse osmosis prevents pollutants from passing through the membrane’s less concentrated side.

Let’s use what we now know about reverse osmosis to analyze a real operational plant. 

The entire reverse osmosis procedure, including the pretreatment and post-treatment that are typically necessary for heavily contaminated water, is described as follows:

  1. Pre-chlorination dosing system:

The media filter will be able to filter the majority of it if the supply water is contaminated or includes traces of heavy metals. It is strongly advised to dose some chlorine to convert the dissolved heavy metals to physical form.

  1. Tank for storing raw water:

Most reverse osmosis systems begin with a sizable tank that holds the polluted water, while some RO Systems can draw water directly from a well or pipe feed. Having a large storage tank for your intake water is an easy approach to ensure that your pump lasts as long as possible. Not having enough feed water can harm a pump.

  1. Feed Water Pump:

The treatment system receives its initial pressure from a commercial or industrial pump. The RO membranes and any pretreatment are often passed through this motor’s sufficient water pressure, but if they aren’t, a booster pump may be required later on.

  1. Media or Multi-Layer Filter:

Even while we hate to acknowledge it, some items can’t be purified by membranes. Reverse osmosis is unable to remove particles that dissolve too well in water, such as nitrates, a frequent pollutant present in fertilizers and animal manure. Reverse osmosis typically doesn’t work to eliminate things like bad taste and odor. Media that especially targets the items your RO system can’t catch can be put in a multi-layer filter. A multi-layer filter is necessary if these pollutants are to be removed.

  1. Filter with activated carbon:

To eliminate organic contaminants, unpleasant tastes and odors, and chlorine from the water, activated carbon filters are a suitable option.

  1. Chemical dosing system for anti-scalant:

We employ anti-scalant dosing systems to provide our anti-scalant RO chemical, which aids in preventing membrane fouling.

  1. System for Reverse Osmosis:

We have our reverse osmosis system at last. A booster pump will normally be required right before this phase, if at all. The reverse osmosis system can generate a significant amount of waste and up to one million gallons of product water per day from a continuous inflow. Although it can typically be poured down the drain, check with your local water authority to see whether special handling is required.

  1. Storage tank for product water

The reverse osmosis system’s permeate often drains into a sizable tank where it is stored until needed. If it didn’t, it would be necessary for the system to be on in order to have access to fresh water, which is sometimes problematic. In addition to being utilized in many of the typical industries or applications, an RO system may also be used to pump water straight into a well or aquifer for recharge.

  1. System for Post-Chlorination Dosing:

It is strongly advised to inject some chlorine into the permeate water if it will be kept for more than a day in order to keep it clean and free of contaminants.

  1. Water Pump:

The permeate water is repressurized by this pump until it is no longer usable. This is chosen based on the required head and overall distance to travel. The permeate water must not be contaminated, hence stainless steel must be chosen for this pump.

  1. UV Sterilizer for product water:

The UV sterilizer is used as the last line of defense against infection after the storage tank. Most of the time, we either employ UV sterilization or post chlorination as a disinfection agent.

How Netsol helps!

We offer a wide choice of reverse osmosis and water treatment systems to fit your demands. Netsol has years of experience as a global provider of water treatment solutions for a number of applications and industries. Our ability to pre-engineer and modify water treatment and reverse osmosis systems to match a variety of customer requirements and specifications is made possible by Netsol’s significant global experience in engineering and manufacturing.

For any support of inquiries, or product purchases and related services call on +91-9650608473 or email at



November 15, 2022

What are benefits of sewage treatment plants?

To enhance the quality of wastewater for recycling, sewage treatment plants use primary, secondary, biological, and tertiary treatment processes. Wastewater is produced as a result of expanding infrastructure development and increased water use for home and commercial needs. A sewage treatment plant’s main objective is to treat wastewater as fully as is reasonably practicable. Sewage treatment facilities and other options can help with that. A sewage treatment plant may be put practically anywhere as long as there is an electrical connection, thanks to the way they work.

The need for clear water is in itself a proper justification for the sewage treatment plants in the vicinity of human-held areas. When we say that sewage treatment plant saves water, we mean that it saves life and what could be the greater benefit of sewage treatment plant then?

For a better understanding of the benefits related to sewage treatment plants let’s go deeper!

Benefits of sewage treatment plants

Having a contemporary sewage treatment system has several advantages.


Sewage was traditionally manually removed and collected. Modern technology allows for the extraction, organization, and transportation of sewage, all of which require a minimum number of employees. Modern sewage treatment facilities can also handle enormous volumes of sewage, which cuts down on lengthy workdays.

Create Energy

Significant amounts of the organic materials found in sewage can be utilized to produce electricity. After being pre-treated, sludge is broken down via anaerobic digestion. Methane gas generated by anaerobic digestion powers the grid. Both the sewage treatment plant and the residential areas’ electricity needs may be met by it. Additionally, sewage gas may be set up as a combined heat and power plant (CHP), which boosts the plant’s overall effectiveness.

Fertilizer Manufacturing

Massive amounts of nitrogen, phosphorus and biodegradable material are present in the sludge that is collected for treatment. As a result, the sludge drying procedure produces biodegradable fertilizer when applied to sludge. This fertilizer is appropriate for use in farming and gardening.

lowered danger to public health

Only 50% of Indians have access to clean drinking water, and each year 37.7 million Indians get ailments brought on by contaminated water. Additionally, the disadvantaged Indian community is negatively impacted by the flow of untreated sewage into ponds, lakes, and rivers. Because sewage treatment eliminates the majority of toxins from wastewater before releasing it into natural water streams, it lowers the danger to people’s health.

Environmentally friendly

Environmentally friendly sewage treatment facilities purify water in a number of phases to get rid of germs, pollutants, and big solid particles. This reduces water consumption and pollutants while making the treated water suitable for reuse.


It is crucial to have a working wastewater treatment system because it may stop the spread of illness, save the environment, and ultimately save your money. Additionally, investing in a sewage treatment system is now more financially practical because to technological advancements that make current systems cheaper, more efficient, and simpler to operate than earlier ones. The advantages mentioned above are only a few of the numerous factors that may make purchasing a sewage treatment system a very wise and successful choice.

We at Netsol have extensive expertise in treating and maintaining wastewater systems. Contact us if you have any questions or concerns about your wastewater or water treatment systems.

You can contact us at +91-9650608473 or email at

November 15, 2022

The biggest factor affecting human health and the ecosystem is the untreated direct discharge of sewage into natural resources. Waste produced by residential, commercial, institutional,  and industrial facilities is referred to as sewage. Organic and inorganic pollutants are frequently present in large amounts in sewage. Prior to entering any aquatic body, sewage must be treated. It is crucial to correctly treat sewage before putting it into rivers or any other sources of water because if sewage is allowed to enter them without being treated, it will contaminate them.

Sewage treatment plants come to rescue, to lessen the toxicity of sewage, maintain a safe and healthy environment, and advance human welfare, sewage treatment is essential.

Stages in a sewage treatment plant:

A sewage treatment plant (STP) with three stages—primary/preliminary, secondary, and tertiary—can be designed to treat sewage.

1_Primary Treatment:

In the first stage of treatment, wastewater is sent through a screen to catch any big floating debris. Following this, the water enters a chamber that removes grit ( gravel, Sand, eggshells, seeds, bone fragments, and other things are all considered to be grit). To lessen the amount of heavy deposits in the digester, channels, and conduits, grit removal is required. Primary settling tanks are the next stage. These tanks are often rather big, and the solids fall to the bottom by gravity and are removed as sludge. Oil floats to the surface and is skimmed off in the meanwhile. A 30–40% decrease in the biological oxygen requirement over the course of five days may be anticipated as 50–60% of the suspended solids are eliminated.

2_Secondary Treatment:

The second stage of wastewater treatment is secondary treatment. Oil, grease, and colloidal particles are eliminated during basic treatment. The wastewater is then given a second biological treatment to get rid of any organic debris that is still present.

Local and aquatic bacteria and protozoa that devour biodegradable soluble pollutants including sugar, fat, detergent, and food waste carry out this treatment. These mechanisms are temperature-sensitive, and biological responses accelerate as the temperature rises.

Two distinct treatment steps comprise secondary therapy:

  1. Aerobic Treatment _ Aerobic wastewater treatment is a biological process that breaks down organic debris and removes additional contaminants like nitrogen and phosphorus by using oxygen. Aerobic treatment is typically used in the treatment of sewage.
  2. Anaerobic Treatment­_ Wastewater or other materials are broken down by microorganisms during anaerobic treatment without the help of dissolved oxygen. However, anaerobic bacteria may and will utilise the oxygen present in the system’s supplied oxides as well as the organic matter in the effluent.

3_Tertiary Treatment:

The third step of wastewater treatment, tertiary treatment, is also referred to as an advanced treatment. The nitrogen and phosphorus burden in the water is reduced during tertiary treatment. It involves procedures including electrodialysis, nitrification, denitrification, ion exchange, activated carbon adsorption, and filtering.

The effluent properties following secondary treatment and the kind of water required following treatment determine the tertiary treatment alternatives. For instance, filtration and disinfection are used to treat wastewater if we require drinkable water.


Even while water surrounds 70% of the world, just 2.5% of it is fresh water. On Antarctica and Greenland, 70% of the fresh water is frozen. Only a little more than 1% of fresh water can be used. If we can reuse water for uses other than drinking, such as washing, bathing, and using the toilet, we can reduce the need for fresh water. Therefore, it is crucial to treat every building’s sewage outflow and repurpose treated water for laundry, bathroom cleaning, and floor maintenance.

Netsol provides you the much-needed assistance perfectly when it comes to play the role of hero in saving environment. We can deliver the best services related to STP or water treatment plants.

For any sort of assistance or queries, place a call on +91-9650608473 or email at


November 15, 2022

The main objective of sewage treatment is to create wastewater that can be released into the environment, with the least amount of water contamination feasible, or to create an effluent that can be reused in a beneficial way.


This is accomplished by taking out the toxins from the sewage, as it helps in reducing the risk of water pollution from sewage discharges. As human beings, it is our duty to protect the environment. As a result, we can opt for chemical-free, environmentally friendly sewage treatment technologies. Therefore, before making a purchase of sewage treatment plants, take into account the carbon footprint, energy use, and chemical use as well.


Thus, it is essential to choose a reputable sewage treatment plants manufacturer, so that all the requirements are met.


Why do sewage treatment facilities need to exist?


India is regarded as the land of irrigation. Although, the land generates an abundance of crops, the nation struggles with drought. Deficits are primarily caused by leaving a large amount of wastewater untreated. Because, untreated water cannot be used to irrigate crops, it causes a water shortage. Therefore, treating wastewater is important for water-stressed nations, such as India.


Residential, industrial, and commercial areas also generate a large volume of wastewater, which can be treated and reused.


STPs with exceptional features


Sewage treatment plants with exceptional features are provided by Netsol Water Solutions.

These are listed below:


  • Electric/Non-Electric


Netsol Water Solutions provide both electric and non-electric sewage treatment plant systems. However, it is advisable to choose a non-electrical solution if residing somewhere that does not have electricity constantly, or that has regular power interruptions.


If one wants to cut down on electricity usage, this is a wonderful alternative. At a reasonable cost, there is the choice to have a solid sewage treatment system.



  • Noise and odour


Netsol Water Solutions provides a sewage treatment plant that emits less noise, and no offensive odours. Particularly, if we intend to install it in a residential area, both considerations are crucial.


In order to improve the working environment in our commercial or industrial location, we must also pay attention to this.


Why must you choose a reputable sewage treatment plants manufacturer?


Some suggestions for picking a reputable sewage treatment company are as follows:


  1. Be aware of the possibilities; the value and cost will depend on the demands.


Educating oneself is the first tip for picking a sewage treatment company. Selecting a sewage treatment plant manufacturer may seem like a straightforward process, but as a customer we should make sure that, we have the knowledge of what we are buying.


We should educate ourselves by responding to the following questions in advance.


  • Recognize the machinery that need repair.
  • Recognize the treatment recommendations made by the manufacturer.
  • Learn the equipment’s specifications.
  • Cost of not running the equipment for your company.


  1. Business integrity.


Understanding how a company’s staffs interact is typically an excellent method to judge a business. Small observations can be significant early warning signs of future issues, with that manufacturing company.


  1. Know the dangers present.


Both actions—doing and not doing—involve dangers.


What are the risks of doing nothing, for example, if the equipment breaks, how much would it cost the company if that were to happen? What are the potential financial costs involved in doing so, and how will it impact the operations of the company?


All these factors should be kept in mind.


  1. Which service level (excellent, better, best) do you require?


If the system isn’t directly correlated with the success of a firm, good may be sufficient. If it is more directly related, one might want to think about spending extra to have higher levels of service, to make sure there is as little downtime as possible.


  1. Once it has been established what each company claims to be unique in, hold them to that standard.


Making a purchase will be simpler if you know what makes a firm unique, and you’ll be able to hold the provider to the same standards, they’re claiming.


We see clients all too frequently who claim to have not seen their current vendor in months, despite the fact that monthly visits are supposed to take place. Make sure you and the manufacturer have a clear understanding of their deliverables up front, and that you hold them to that standard.


Best manufacturers and service providers of sewage treatment plants in India


Finding the best sewage treatment plant for your needs can be challenging, but a straightforward answer is provided by Netsol. The idea that “one size fits all” does not apply to treatment systems at NETSOL WATER SOLUTIONS, since we think that every customer has different needs.


For any other support, inquiries, or product purchases, call on +91-9650608473 or email at


November 15, 2022

A healthy ecosystem depends on water because it includes essential substances, which support the development and survival of living things. Water becomes contaminated with hazardous substances as a result of improper use, brought on by growing population and industrial expansion. As more and more wastewater is combined throughout the process, sewage is created.


Netsol Water Solutions is one of the leading and reputable manufacturers of sewage treatment plants in India. You can rely on us if you’re seeking for a reputable STP Manufacturer. We offer our special quality and crafted sewage treatment plants to meet the needs of many sectors, including residential, commercial and industrial.


What kinds of businesses require a sewage treatment facility?


A sewage treatment plant is required for any industry that produces sewage water. Among others, this pertains to the textile, chemical, distillery, metals, paper, and pulp industries.


Characterizing the sewage, ascertaining the influence on receiving streams and land, and identifying the long-term transformation, all decide the objectives of treatment for different industries and commercial places, after which an appropriate treatment solution is designed.


Important considerations when purchasing the right sewage treatment plant


  • Calculate the user population


We must always take our family size into account when purchasing a sewage treatment system, for our home. And, if we’re buying it for a business or industrial building, we should consider how many people will be using it—both employees and customers.


Without knowing how many consumers the plant will serve, we always run the risk of spending money and time on insufficient supplies. We must make sure that our STPs can hold enough water to be used.


  • Know the type of soil


It’s crucial to determine the type of soil before moving somewhere fresh. We must learn to distinguish between dry and moist soil, as well as about the soil’s texture and other features. This enables us to choose the proper sewage treatment facility for installation.

Many plants are only compatible with certain types of soil and may not grow well in others. Therefore, it makes sense to spend money on a sewage treatment plant that works effectively, in any type of soil.


  • Pay attention to variations in hydraulic load


Sewage treatment plant installation on-site can see little to a lot of foot activity. As an alternative, one can have a plant in a place where families go for a vacation, and it might not be working for months.


After a few months of use, the system might not be able to handle a rapid change in load. To use appropriate hydraulic load systems, it helps to consult a qualified business that supplies these sewage treatment systems.


What to look for in a sewage treatment plants reputable manufacturer?


The following points are for you if you have questions about, the qualities of the sewage treatment plant manufacturer. These are listed below:


  • The sewage treatment facilities ought to be self-sufficient


The reuse of water for flushing, gardening and other similar uses is made possible by the treated water. It improves self-sufficiency to reduce water waste and guarantee optimal water use.


  • STPs produced by reputed manufacturers have to have the ability to reduce waste


As one of the top manufacturers of residential and commercial STPs, Netsol Water Solutions provide a sophisticated selection brimming with first-rate features.


For improved environmental protection, it purifies the water and lessens the waste that is released into the environment.


  • Production of Fertilizer


The sludge collected during the sewage treatment process contains a variety of biodegradable materials that, after being dried using the “sludge-drying” method, can be utilized as organic fertilizer.






In order to prevent the water crisis, treating and recycling wastewater is crucial. Water recycling and reuse are made possible by cutting edge technologies. Sewage water recycling is also required by laws and regulations all around the nation.


Are you still confused about the selection of STP manufacturers?


From the investigation of the sewage, to the design and construction of the sewage treatment plants, and to the installation and commissioning, each stage is handled internally by our expert team at Netsol. We also offer routine maintenance and health checks of STPs installed by us.


For any other support, inquiries, or product purchases, call on +91-9650608473 or email at


September 2, 2022

Untreated wastewater shouldn’t accumulate in any way. It consists of perished organic matter. However, these accouterments can produce a huge amount of foul-smelling gases that can be poisonous to the terrain, If kept for a while. Besides this, it also contains other poisonous composites that can be dangerous if exposed to the terrain for a long. thus, it’s important to remove wastewater from its source and clean it. also, due to the failure of water, exercise is an excellent option. Do you know Which is most Commonly Used Sewage Treatment Plant in India?
With time, MBBR technology become the most Commonly Used Sewage Treatment Plant in India, has come to an established process for wastewater treatment due to the advanced and innovative technology it uses and the cost of Moving Bed Biofilm Reactor which has reduced drastically down as compared to the other technology. As per the combined query of Quality, Technology, and Cost, MBBR is one of the most considered sewage treatment plants in India.

MBBR Sewage Treatment Plant

The Moving Bed Biofilm Reactor( MBBR) wastewater treatment process was first constructed in the late 1980s.
The MBBR process has an aeration tank with plastic transporters filled with wastewater. This gives way to the growth of biofilm. The viscosity of these carriers and water is the same. generally, activated sludge systems bear recycling of the sludge, which isn’t the case in the MBBR process.
It’s considered to be a better option as compared to other conventional styles.

Benefits of MBBR Sewage Treatment Plant

  1. Complete solid junking
  2. Smaller units require lower space
  3. Increased process stability
  4. Increased treatment volume
  5. Periodic backwashing isn’t required
  6. Sludge product is dropped
  7. Advanced settling characteristics
  8. Accessible to use
  9. Reliable and effective
  10. Cost-effective

Working of Sewage Treatment Plant

Wastewater Plant (STP Plant) is treated in 3 phases primary( solid removal), secondary( bacterial decomposition), and tertiary( extra filtration).

Common Key Terms in wastewater/ sewage treatment

  • Primary Treatment is the first phase of sewage treatment wastewater is placed in a holding tank and solids settle to the bottom where they’re collected and lighter substances like fats and oils are scraped off the top.
  • Secondary Treatment is where waste is broken down by aerobic bacteria incorporated into the wastewater treatment system.
  • Tertiary Treatment is designed to filter out nutrients and waste particles that might damage sensitive ecosystems; wastewater is passed through fresh filtering lagoons or tanks to remove redundant nutrients.
  • Effluent Sewage water that has been incompletely treated and is released into a natural body of water; an inflow of any liquid waste.

Sewage is generated by domestic and industrial establishments. It includes household waste liquid from toilets, baths, showers, kitchens, cesspools, and so forth that’s disposed of via seamstress. In numerous areas, sewage also includes liquid waste from assiduity and commerce. The separation and draining of ménage waste into greywater and blackwater are getting more common in the advanced world. Greywater is water generated from domestic conditioning similar to laundry, dishwashing, and bathing, and can be reused more readily. Blackwater comes from toilets and contains mortal waste.

Sewage treatment is done in three stages primary, secondary and tertiary treatment.
  1. Primary Treatment
    In the primary treatment of STP Plants, sewage is stored in a basin where solids( sludge) can settle to the bottom and oil painting and lighter substances can rise to the top. These layers are also removed and also the remaining liquid can be transferred to secondary treatment. Sewage sludge is treated in a separate process called sludge digestion.
  2. Secondary Treatment
    Secondary treatment removes dissolved and suspended biological matter, frequently using microorganisms in a controlled terrain. utmost secondary treatment systems use aerobic bacteria, which consume the organic factors of the sewage( sugar, fat, and so on). Some systems use fixed film systems, where the bacteria grow on pollutants, and the water passes through them. Suspended growth systems use “ actuated ” sludge, where putrefying bacteria are mixed directly into the sewage. Because oxygen is critical to bacterial growth, sewage is frequently mixed with air for grease decomposition.
  3. Tertiary Treatment
    Tertiary treatment( occasionally called “ effluent polishing ”) is used to further clean water when it’s being discharged into a sensitive ecosystem. Several styles can be used to further disinfect sewage beyond primary and secondary treatment. Beach filtration, where water is passed through a beach sludge, can be used to remove particulate matter.

Wastewater may still have high situations of nutrients similar to nitrogen and phosphorus. These can disrupt the nutrient balance of submarine ecosystems and beget algae blooms and inordinate weed growth. Phosphorus can be removed biologically in a process called enhanced natural phosphorus junking.

In this process, specific bacteria, called polyphosphate accumulate organisms that store phosphate in their tissue. When the biomass accumulated in these bacteria is separated from the treated water, these biosolids have a high toxin value. Nitrogen can also be removed using nitrifying bacteria. Lagoon is another system for removing nutrients and waste from sewage. Water is stored in a lagoon and native plants, bacteria, algae, and small zooplankton sludge nutrients and small particles from the water.

Sludge Digestion

Sewage sludge scraped off the bottom of the settling tank during primary treatment is treated independently from wastewater. Sludge can be disposed of in several ways. First, it can be digested using bacteria; bacterial digestion can occasionally produce methane biogas, which can be used to induce electricity. Sludge can also be incinerated, condensed, hatted to disinfect it, and reused as a toxin.

Now you will get all the details of the commonly used sewage treatment plant in India. You can ask any question if you have any.

If you are looking for a leading sewage treatment plant manufacturer company, call +91-9650608473, Netsol Water. One of the leading STP Machine manufacturers, Effluent treatment plant manufacturers, and Industrial/commercial RO plant manufacturers based in Greater Noida, UP, India.

August 22, 2022

STP Manufacturers in Greater Noida | Sewage Treatment Plant manufacturer in Greater Noida, Gautam Buddha Nagar, Netsol Water, 9650608473 NSWSPL is India’s biggest Compact Sewage Treatment Plant manufacturer with its head office in Greater Noida.

What are the Sewage Treatment Plants (STP)?

Waste produced by residential, institutional, commercial, and industrial sites is referred to as sewage. Sewage Treatment Plants in Noida or STP plants clean the sewage so that it is suitable for safe disposal, use in agriculture, or home use in toilets, among other uses. Organic and inorganic wastes are frequently present in large amounts in sewage. Before entering any body of water, sewage must be treated. It is important to properly treat sewage before discharging it into rivers or any other sources of water because if sewage is allowed to enter them without being treated, it will contaminate them.

Conventional sewage water treatment usually takes place in two or three stages, called primary, secondary, and tertiary treatment. The specific stages of treatment depend on the quality of the water being treated and how it will be used.

Each treatment scheme typically involves two phases: an aerobic sewage treatment to break down organic matter and a settling stage to remove solid particles from the water. After these phases, the water is treated with chlorine and filtered to meet environmental standards for safe discharge.

Overall, the goal of sewage water treatment is to make the water safe for the environment and human use. By treating the water through these stages, harmful pollutants can be removed and the water can be safely released into the surrounding environment.

Working of Sewage Treatment Plant

Compact modern STP Manufacturers in Greater Noida are small in size and can be installed underground or above ground. Its compact and unique designs look pretty and take a very little space to install. Compact STP is odor-free and noise-free so it can be installed anywhere at your convenience.

Netsol Water Compact Sewage Treatment Plant Manufacturers and distributed by Netsol Noida, Delhi, India, are prefabricated solutions, delivered to the customer able to be installed as Plug & Play and prepared for use. Netsol small sewage and wastewater treatment plants, & other similar products are internationally certified in line with the very best standards. The systems are packaged in cylindrical a polymer of propylene used as a thermoplastic molding material (polypropylene) containers and may be delivered with phosphorous removal kits UV-tertiary handling units.

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August 22, 2022

STP Manufacturer in Panipat – Sewage Treatment Plant Manufacturer, Netsol Water -9605068473 Best Water & Wastewater Treatment Plant supplier. If sewage is not treated properly, it can cause a number of issues, including health risks.

Netsol Water delivers the most cost-effective and efficient as a sewage treatment plant manufacturer in Panipat, to satisfy the requirements for an efficient solution. We have the finest and modern models available for sewage treatment. Our services for small to medium, and to large sewage treatment needs are well addressed by our experts and engineers, in a relatively shorter period of time.

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