Effluent Treatment Plant (ETP) Manufacturer in India

Industrial growth and environmental responsibility are not opposites — but only if wastewater is handled correctly. Across textile mills, pharmaceutical plants, food processing units, electroplating shops, and chemical factories, untreated effluent carries a toxic load that no river, pond, or groundwater source can absorb without long-term damage. For industries operating in India, treating that effluent before discharge is not a choice — it is a legal obligation enforced by the Central Pollution Control Board and your State PCB.

At Trity Environ Solutions, we design, manufacture, and commission Effluent Treatment Plants built for the actual complexity of Indian industrial wastewater. We are not selling a generic system dressed up with new branding. Every ETP we deliver is engineered from the influent characteristics of your specific process — because textile effluent behaves nothing like pharmaceutical discharge, and a plant built for one will fail the other.

With 14 years of hands-on experience and over 2,300 ETP and STP installations across India, we understand what happens when a treatment plant runs under real industrial conditions — the load spikes, the seasonal changes, the regulatory inspections, and the operational realities that most system designs never account for. That experience is built into every plant we deliver.

What is an Effluent Treatment Plant (ETP)?

An Effluent Treatment Plant is a purpose-built facility that removes chemical, physical, and biological contaminants from industrial process wastewater before it is discharged into a drain, water body, or returned for reuse within the facility. Unlike domestic sewage — which is primarily organic and handled by a Sewage Treatment Plant — industrial effluent is chemically complex. It may carry heavy metals, synthetic dyes, chlorinated solvents, surfactants, extreme pH, and suspended solids in concentrations far beyond what any natural water system can safely absorb.

The design of an ETP is entirely determined by the characteristics of the specific industrial effluent it must treat. A plant designed for a textile unit will use chemical coagulation and colour removal technology. A pharmaceutical ETP will prioritise advanced oxidation and biological processes capable of breaking down Active Pharmaceutical Ingredients. There is no universal ETP — only correctly engineered ones.

Industry-Specific ETP Solutions

Every manufacturing process generates effluent with a unique chemical profile. We engineer treatment systems matched precisely to that profile — not adapted from a standard catalogue.

Textile and Dyeing Industry

Textile effluent is heavily coloured and high in COD from synthetic dyes and fixing agents. Standard biological treatment alone cannot remove these dye compounds. Our textile ETPs combine chemical coagulation, pH correction, and advanced tertiary filtration to achieve consistent colour removal and COD reduction that meets CPCB discharge norms. For units aiming for Zero Liquid Discharge, we integrate RO stages that recover treated water for reuse in the dyeing process itself.

Pharmaceutical and API Manufacturing

Pharmaceutical effluent contains Active Pharmaceutical Ingredients, solvents, and complex organic compounds that resist ordinary biological degradation. Our pharmaceutical ETPs use Advanced Oxidation Processes — including Fenton's reaction and ozonation — combined with robust biological treatment to break down persistent contaminants to safe discharge concentrations. All systems are documented for State PCB regulatory submission.

Food, Beverage, and Dairy Processing

Food processing wastewater is high in organic load — fats, oils, grease, and dissolved sugars. Left untreated, this effluent has a very high BOD that depletes oxygen in receiving water bodies rapidly. We design ETPs for food units with Dissolved Air Flotation units for FOG removal, followed by high-rate biological reactors. Odour control is integrated as standard because food processing facilities are often located near residential areas.

Electroplating and Metal Finishing

Electroplating discharge is among the most hazardous categories of industrial effluent — concentrated with hexavalent chromium, zinc, nickel, cyanide, and highly acidic or alkaline pH. Our metal finishing ETPs use dedicated chemical reduction chambers for chrome treatment, pH correction tanks, and heavy metal precipitation stages that convert dissolved metals into a stable, filterable sludge. Treated water consistently meets Class A CPCB discharge standards.

Chemicals, Paper, and Pulp

Chemical and paper industries generate large volumes of complex effluent with high suspended solids, dark colouration from lignin compounds, and variable pH. We design heavy-duty, multi-stage ETPs for these sectors capable of treating high-volume flows without performance degradation under the sustained operational loads typical of continuous-process manufacturing.

How Our ETP Systems Work — The 5-Stage Treatment Process

Every ETP we build follows a five-stage treatment sequence. Each stage targets a specific category of pollutant, and together they reduce BOD, COD, TSS, heavy metals, and pathogens to levels that meet CPCB Schedule VI discharge standards.

Stage 1 — Preliminary Screening

Bar screens and grit chambers remove large solids, debris, and inorganic material from the raw effluent before it enters the treatment system. This protects pumps, membranes, and aeration equipment from damage and ensures consistent flow into the downstream stages.

Stage 2 — Primary Physicochemical Treatment

pH is corrected to the optimal range. Coagulants and flocculants are added to destabilise suspended particles, which then settle as primary sludge. Surface oil and grease are skimmed. This stage reduces incoming TSS by 60 to 70 percent and BOD by 25 to 35 percent before biological treatment begins.

Stage 3 — Secondary Biological Treatment

Aerobic or anaerobic microorganisms consume dissolved organic matter. For most industrial effluents, we use aerobic processes with diffused aeration. For high-strength effluents or where biogas recovery is viable, anaerobic pre-treatment is added upstream. This stage handles the bulk of BOD and COD reduction — typically 85 to 95 percent of the incoming load.

Stage 4 — Tertiary Filtration

The biologically treated effluent passes through multi-grade sand filters and activated carbon filters to remove residual suspended solids, trace organics, colour, and odour. For ZLD projects, this stage feeds a Reverse Osmosis system for near-complete water recovery.

Stage 5 — Disinfection and Discharge

Chlorination, UV sterilisation, or ozonation eliminates residual bacteria and pathogens. The treated effluent is tested against CPCB parameters before discharge. A treated water storage tank is included where on-site reuse is planned.

Why Industries Across India Choose Trity Environ Solutions

We are a manufacturer — not a trader or reseller. Every ETP we deliver is designed, fabricated, and commissioned by our own engineering team from our ISO 9001:2015 certified facility in Ghaziabad. When something needs to be adjusted after installation, the people who respond are the same people who built the system. There is no pointing to a third-party supplier.

• 14+ years of industrial ETP experience across textile, pharma, food, metal, and chemical sectors
• 2,300+ plants commissioned across India — one of the largest installed bases in North India
• ISO 9001:2015 certified manufacturing facility, GT Road Industrial Area, Ghaziabad
• Complete turnkey delivery — design, civil coordination, installation, commissioning, operator training
• Full CPCB and State PCB compliance support including performance documentation for inspections
• Annual Maintenance Contracts with defined priority response timelines
• ZLD-ready systems with RO and thermal evaporator integration

We supply and install ETP plants across Delhi NCR and beyond — including Noida, Delhi NCR, Gurgaon, Faridabad, and Ghaziabad.

Get a Free ETP Site Assessment

If you are dealing with a compliance notice, planning a new plant, or looking to upgrade an underperforming system — the first step is a site evaluation. Our engineers assess your daily effluent volume, existing infrastructure, and applicable CPCB and SPCB norms before recommending any system. There is no obligation and no generic pitch. Contact us to schedule a free visit.