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Optima Water Solutions is a ZLD Plant Supplier in Tamil Nadu. We design and install Zero Liquid Discharge (ZLD) Plants that eliminate liquid effluent discharge completely. ZLD is mandatory for textile, distillery, sugar, tannery, and other industries under CPCB norms. Our ISO 9001:2015 certified systems combine membrane technology with thermal evaporation to recover maximum water and produce only dry solid waste.
What is a Zero Liquid Discharge Plant?
Zero Liquid Discharge (ZLD) is a water treatment process in which all wastewater is treated and recycled — no liquid effluent is discharged to the environment. The process concentrates all dissolved salts and contaminants into a dry solid (cake) that can be safely disposed of or further processed.
A complete ZLD system typically combines: Effluent Treatment Plant (ETP) → Reverse Osmosis (RO) → Multiple Effect Evaporation (MEE) or Mechanical Vapour Recompression (MVR) → Agitated Thin Film Dryer (ATFD) or Spray Dryer.
The CPCB and State PCBs have mandated ZLD for highly polluting industries including textile dyeing, distilleries, sugar mills, tanneries, and pharmaceutical bulk drug manufacturing units across India.
Zero Liquid Discharge Plant in Tamil Nadu — Why It Matters
Tamil Nadu's industrial base — spanning SIPCOT Siruseri, SIPCOT Hosur, SIDCO Guindy — continues to expand, and with it the need for dependable ZLD capacity that meets local discharge norms. Tamil Nadu Pollution Control Board (TNPCB) enforces strict effluent norms. Textile and dyeing industries in Tirupur and Erode have pioneered ZLD compliance in India. CETPs operational across industrial clusters.
We work directly with facility owners, developers, and industrial operators in Tamil Nadu to deliver ZLD systems that are correctly sized, properly permitted, and easy to maintain long-term.
Key industrial areas we serve in Tamil Nadu:
Regulatory Note: Tamil Nadu Pollution Control Board (TNPCB) enforces strict effluent norms. Textile and dyeing industries in Tirupur and Erode have pioneered ZLD compliance in India. CETPs operational across industrial clusters.
ZLD Solutions Across Tamil Nadu
Optima serves Tamil Nadu through dedicated pages for each city we actively work in — each with its own local details on regulations, industrial zones, and pricing. Pick your city below.
Our 4-Step Process — From Design to Handover
1
Effluent Characterisation
Detailed lab analysis. TDS, COD, BOD, heavy metals, conductivity. Treatability study to determine optimal ZLD train.
2
ZLD Train Design
ETP + RO + MEE/MVR + ATFD configuration. Mass and energy balance. Detailed engineering package.
3
Supply & Installation
In-house fabricated ETP and RO components. MEE/ATFD from specialist partners. Full project management.
4
Commissioning & Compliance
Performance testing to SPCB satisfaction. Documentation for ZLD compliance certificate. Operator training.
Why Choose Optima Water Solutions
- Complete ZLD compliance — no liquid discharge, full regulatory conformity
- Maximum water recovery — 90–95% water recycled back to process
- CPCB/SPCB compliant design — all documentation for pollution board submission
- Technology selection — MEE, MVR, ATFD, spray drying based on your effluent
- Lowest OPEX design — energy recovery integrated to minimise steam/power costs
- ETP + RO + Evaporation — single vendor for the complete ZLD chain
- Salt recovery option — NaCl or Na2SO4 recovery for resale value
- Remote monitoring — SCADA-based plant monitoring with alerts
- 158+ effluent treatment installations — proven base for ZLD scale-up
- Post-commissioning SPCB liaison support for compliance certificate
Industries & Applications in Tamil Nadu
Textile Dyeing
Distillery
Sugar Mill
Tannery
Pharmaceutical
Chemical Plant
Paper & Pulp
Power Plant
Need a Zero Liquid Discharge Plant in Tamil Nadu?
Get a free site visit and custom proposal from our engineers within 48 hours. ISO 9001:2015 certified. 158+ projects delivered across India.
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Common Questions
Zero Liquid Discharge Plant in Tamil Nadu — FAQ
What is the cost of a Zero Liquid Discharge Plant in Tamil Nadu?
ZLD plant cost in Tamil Nadu varies significantly based on effluent volume and characteristics. A 5 KLD ZLD system starts from ₹30–50 Lakh. A 50 KLD ZLD plant typically costs ₹1.5–3 Crore. Textile dyeing ZLD systems for 100 KLD+ can cost ₹3–10 Crore. Contact Optima for a free feasibility assessment and budgetary quote.
Is ZLD mandatory for my industry in Tamil Nadu?
ZLD is mandatory for textile dyeing/processing, distilleries, sugar mills, tanneries, pharmaceutical bulk drug, dyes and dye intermediates, and chlor-alkali industries in India. The Tamil Nadu PCB may have issued ZLD notices to your category. Optima can review your industry category and advise on compliance requirements in Tamil Nadu.
How much water is recovered in a ZLD plant?
A well-designed ZLD plant recovers 90–95% of the input water volume for reuse in your process. Only 5–10% ends up as concentrate which is then evaporated to dry solids. This dramatically reduces your fresh water intake and eliminates liquid discharge completely.
What is the difference between ETP and ZLD?
An ETP treats effluent to meet discharge standards and the treated water is discharged to the drain or river. A ZLD plant goes further — it recycles all treated water back to your process with zero discharge to any water body. ZLD requires additional RO and evaporation stages beyond a standard ETP.
Can you upgrade our existing ETP to ZLD in Tamil Nadu?
Yes. This is the most common ZLD project Optima handles. If you have an existing ETP in Tamil Nadu, we add RO, MEE/MVR, and an ATFD or spray dryer to convert it to full ZLD. We assess your current ETP and design the most cost-effective upgrade path to achieve compliance.
Ready to Start?
Our engineers in Tamil Nadu are available for a free site visit and assessment.