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Optima Water Solutions is a ZLD Plant Supplier in Coimbatore. 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 Coimbatore — Why It Matters
ZLD demand in Coimbatore concentrates in its textile-dyeing sector, following the same TNPCB requirements we see across Tamil Nadu's other textile centres, while the city's substantial engineering and pump-manufacturing base generally doesn't need it.
This makes Coimbatore's ZLD demand narrower but still significant within its specific textile-processing segment.
Key industrial areas we serve in Coimbatore:
Regulatory Note: TNPCB has strict norms for Coimbatore's textile dyeing and engineering clusters. ZLD applicable to dyeing units.
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 Coimbatore
Textile Dyeing
Distillery
Sugar Mill
Tannery
Pharmaceutical
Chemical Plant
Paper & Pulp
Power Plant
Need a Zero Liquid Discharge Plant in Coimbatore?
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Common Questions
Zero Liquid Discharge Plant in Coimbatore — FAQ
Do Coimbatore textile-dyeing units need ZLD?
Many do, under TNPCB's zero liquid discharge requirements, similar to other Tamil Nadu textile centres. We confirm the applicable requirement for your specific unit during the site assessment.
What does a ZLD system cost in Coimbatore?
Given the multi-stage treatment textile-dyeing effluent requires, cost typically runs ₹50 Lakh to over ₹2.2 Crore. Call +91 9711880791 for an assessment specific to your process.
Do Coimbatore's engineering and pump-manufacturing units need ZLD?
Generally no — this sector's effluent profile is much simpler and doesn't require the zero-discharge treatment textile-dyeing units need.
How does Optima approach ZLD design for Coimbatore's textile sector?
We apply the same colour-removal and recovery-stage design principles we use across Tamil Nadu's textile centres, adjusted to each unit's specific dyeing process.
Ready to Start?
Our engineers in Coimbatore are available for a free site visit and assessment.