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Optima Water Solutions is a ZLD Plant Supplier in Chennai. 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 Chennai — Why It Matters
ZLD demand in Chennai centres on select chemical processing units, given that TNPCB applies zero discharge requirements mainly to industries whose effluent genuinely can't meet standard limits, distinct from the broader auto and electronics manufacturing base in SIPCOT.
Chennai's periodic water stress also makes water recovery an attractive proposition for some larger industrial clients beyond pure compliance requirements.
Key industrial areas we serve in Chennai:
Regulatory Note: Tamil Nadu Pollution Control Board (TNPCB) requires TNPCB-approved ETP/STP for all industries and large buildings in Chennai.
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 Chennai
Textile Dyeing
Distillery
Sugar Mill
Tannery
Pharmaceutical
Chemical Plant
Paper & Pulp
Power Plant
Need a Zero Liquid Discharge Plant in Chennai?
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 Chennai — FAQ
Do SIPCOT auto and electronics units need ZLD?
Generally no — most meet standard TNPCB discharge norms through conventional ETP treatment. ZLD is typically reserved for select chemical processing units with more challenging effluent.
What does a ZLD system cost in Chennai?
Cost typically runs ₹40 Lakh to over ₹2 Crore depending on effluent complexity. Call +91 9711880791 for an assessment specific to your process.
Does Chennai's water stress make ZLD attractive beyond compliance?
For some larger industrial clients, yes — water recovery offers a genuine operational benefit beyond meeting TNPCB requirements, given the value of reclaimed water during scarcity periods.
How does Optima assess ZLD need for Chennai clients?
We review specific effluent characteristics and current discharge performance before recommending ZLD over standard ETP upgrades.
Ready to Start?
Our engineers in Chennai are available for a free site visit and assessment.