Sriperumbudur and Oragadam together form one of Asia's largest automobile and electronics clusters. Vehicle assembly plants, tyre makers, auto component suppliers, electronics and mobile phone factories, and many smaller engineering units work side by side in SIPCOT parks and private estates. Their processes, including painting, surface treatment, machining, washing and rubber compounding, produce effluent that must meet TNPCB norms and the strict environmental audits of global customers. Intellect Aqua designs and upgrades ETPs for this belt.
| Process | What the effluent contains | Treatment focus |
|---|---|---|
| Vehicle paint shops | Paint sludge, pre-treatment chemicals, phosphate | Coagulation, paint sludge separation, phosphate removal |
| Pre-treatment and degreasing | Oil, surfactants, alkaline cleaners | Oil skimming, neutralisation, DAF |
| Electroplating and surface finishing | Metals, chrome, cyanide in some lines | Stream segregation, chrome reduction, cyanide destruction, metal precipitation |
| Machining and component washing | Emulsified coolant and oil | Emulsion breaking, oil separation, filtration |
| Tyre and rubber units | Organic load, fines, oil | Settling, biological treatment |
| Electronics assembly | Small but varied chemical streams | pH control, specific treatment, polishing |
Suppliers to global automobile and electronics brands are audited regularly on environmental performance. A good ETP here needs reliable treatment plus proof of it. Our designs include flow meters, online pH and level instruments where useful, sampling points at each stage, and log sheets that operators actually fill in. Combined with a clear operating manual, this lets your EHS team answer auditors' questions with confidence.
Mixing plating rinses, paint shop waste and oily wash water in one tank makes treatment harder and more expensive. We separate streams at the source, deal with hazardous components first, such as chrome reduction and cyanide destruction, and combine them only when that is safe.
Water is costly in the belt, and many customers set water-reduction targets for their suppliers. After treatment, UF and RO can recover water for rinsing, washing and cooling towers. Units under ZLD conditions can extend the plant with evaporation; see ZLD for Sriperumbudur.
Plants built when production was smaller often struggle after new lines are added. Signs include colour or oil in the outlet, sludge carry-over and failed samples. We study each stage and upgrade only what is limiting, often without stopping production.
Paint sludge and metal-bearing sludge are hazardous wastes. Correctly sized clarifiers and filter presses reduce their volume. Proper storage and records then make authorised disposal straightforward.
Canteen and toilet sewage should go to a separate STP, so it does not disturb the chemical treatment in the ETP.
We can supply operators, chemicals, spares, sludge handling and testing, and keep your audit records up to date. See our Chennai AMC service.

Intellect Aqua is a Coimbatore-based water and wastewater treatment company that builds and services plants across Tamil Nadu, including Sriperumbudur.
Tyre and rubber product plants generate wastewater from compounding, curing and cooling. It carries fine carbon and filler particles, oil and moderate organic load. Settling, oil separation and biological treatment, followed by filtration, bring it within limits, and the clarified water can often be reused for cooling.
Electronics assembly uses less water than vehicle plants, but the streams are chemically varied: cleaning agents, flux residues and occasional metal-bearing rinses. These factories also run large workforces and strict customer audits. We design compact, well-instrumented ETPs that treat each stream properly and keep detailed records.
Many factories in the belt are adding new lines or moving in from abroad. Planning the ETP at the layout stage avoids expensive changes later. We size it for planned production, leave space for future RO and ZLD stages, and prepare the technical details for your TNPCB consent.
Sriperumbudur, SIPCOT Sriperumbudur, Irungattukottai, Oragadam, Vallam Vadagal, Pillaipakkam, Mathur, Walajabad, Kanchipuram, Maraimalai Nagar, Mahindra World City and Chengalpattu.
We also build ETPs in Chennai, Hosur, Ranipet and Coimbatore. See also our automobile industry solutions.
Tell us your processes, daily effluent volume and current setup. We will visit, sample and recommend a solution.
Comprehensive solutions for efficient water treatment, maintenance, and system performance.
Hear from industrial clients and facility managers who trust Intellect Aqua for high-performance water and wastewater treatment solutions.
“The effluent treatment plant was delivered on time and the treated water quality results met the requirements as specified.”
“The plant has been efficient and cost-effective for us. Aside from the yearly maintenance which is carried out by technicians from Intellect Aqua, the treatment plant does not cost us money at all.”
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