ETP Manufacturer & Supplier — Gujarat
Turnkey effluent treatment plants for Gujarat's chemical, textile, pharmaceutical, dairy, and food processing industries — GPCB-compliant ETP, ZLD, and STP design, supply, and commissioning across Ahmedabad, Surat, Vadodara, Rajkot, Anand, Vapi, and Dahej
Industry Overview
ETP Manufacturer & Supplier — Gujarat
Gujarat is India's industrial powerhouse — home to the world's largest petrochemical complex at Jamnagar, the world's largest synthetic textile hub in Surat, India's pharmaceutical and chemical heartland in Vadodara and Ankleshwar, and the iconic dairy cooperative cluster in Anand. The state accounts for approximately 16% of India's total industrial output and hosts several of the country's most significant industrial estates including Dahej, Vapi, Ankleshwar, Nandesari, and Vatva (Ahmedabad). This industrial density makes Gujarat one of the most important markets for industrial wastewater treatment in the country — and one of the most demanding in terms of regulatory standards, with the Gujarat Pollution Control Board (GPCB) among India's more active state pollution control bodies.
Gujarat's manufacturing landscape spans sectors with dramatically different wastewater profiles. Surat's textile dyeing and printing industry generates high-TDS, high-colour effluent that requires specialised treatment and ZLD. The chemical and petrochemical sector at Dahej, Bharuch, and Ankleshwar generates complex industrial effluent with organic solvents, heavy metals, and toxic compounds. Ahmedabad's food processing and FMCG manufacturers produce high BOD/COD effluent with fats, oils, and greases. The Anand-Mehsana dairy belt — home to Amul and the GCMMF ecosystem — generates dairy wastewater characterised by high BOD, whey proteins, and cleaning chemical loads. Each of these sectors requires a completely different ETP design approach, making multi-sector expertise essential for an ETP manufacturer operating in Gujarat.
Spans Envirotech has been designing, supplying, and commissioning industrial wastewater treatment plants since 1993. Our reference clients include India's leading food and beverage manufacturers — Britannia, HUL/GSK, Lotte India, KRBL, Devyani Food — with projects across multiple states including Gujarat. Our technology portfolio encompasses the full range of treatment systems required across Gujarat's industrial diversity: DAF for FOG removal, MBBR and MBR for biological treatment, physio-chemical systems for chemical and textile effluent, RO for TDS reduction, and MEE/MVR/ATFD for ZLD evaporation. We provide end-to-end EPC services from initial process design through to commissioning and annual maintenance contracts.
Industry Challenges
Key Environmental Challenges
GPCB Consent and Compliance in Active Enforcement State
GPCB is one of India's most active state pollution control boards. Obtaining Consent to Establish and Consent to Operate requires comprehensive technical documentation, including ETP design, environmental impact data, and effluent management plans. GPCB conducts regular inspections across all major industrial estates. Non-compliant units face show-cause notices, consent refusal, and plant closure orders — making GPCB-compliant ETP design a business-critical requirement for Gujarat manufacturers.
Textile ZLD Mandate — Surat and Gujarat
GPCB's ZLD mandate for textile dyeing and printing units is among the most far-reaching in India. Surat's estimated 600+ dyeing units are required to achieve Zero Liquid Discharge, either individually or through Common Effluent Treatment Plants (CETPs). ZLD for textile effluent involves biological pre-treatment, physio-chemical treatment for colour removal, RO for TDS reduction, and MEE/MVR evaporation — requiring significantly higher investment than conventional biological ETPs.
Chemical and Pharmaceutical Effluent Complexity
Dahej, Ankleshwar, and Bharuch chemical manufacturers generate effluent containing organic solvents, complex aromatic compounds, heavy metals, and in some cases, toxic or hazardous compounds. Treatment requires physio-chemical primary treatment (neutralisation, precipitation, coagulation), biological secondary treatment, and advanced tertiary polishing (activated carbon, ozonation, AOP) — far more complex than food or dairy wastewater systems.
Dairy Industry Scale — Anand and Mehsana
Gujarat's dairy sector is among the world's largest, with GCMMF (Amul) processing millions of litres of milk daily across plants in Anand, Mehsana, and Gandhinagar. Dairy ETP requirements include high BOD/COD removal, dissolved air flotation for fat separation, and biological treatment sized for the high-protein, high-fat load of dairy cleaning effluent. Large dairy plant ETPs can run to 500–2,000+ KLD capacity.
Industrial Estate CETP Integration
Many Gujarat MIDC and GIDC estates operate Common Effluent Treatment Plants (CETPs) — particularly in Vapi, Ankleshwar, and Vatva (Ahmedabad). Units within these estates must pre-treat effluent to meet CETP inlet standards before discharge to the common system. This requires unit-level primary treatment (pH correction, suspended solids removal, oil separation) to comply with CETP inlet parameters — a distinct requirement from full standalone ETP design.
Extreme Load Variability — Seasonal and Batch Operations
Gujarat's sugar mills (seasonal operation), textile units (batch dyeing), and food processors (seasonal crop-linked production) generate highly variable effluent loads. ETP systems must be designed for peak load conditions without becoming unmanageable at low or zero production. Equalisation tanks, flexible aeration controls, and robust biological processes (particularly MBBR) are essential for handling Gujarat's production variability.
Our Solutions
Tailored Wastewater Treatment Solutions
Textile ZLD Systems — Surat and Gujarat
End-to-end ZLD system design for textile dyeing and printing units compliant with GPCB norms — biological pre-treatment, physio-chemical colour removal (coagulation/flocculation or activated carbon), Reverse Osmosis (RO) for TDS reduction, and MEE/MVR evaporation for brine concentration. Designed to meet GPCB ZLD conditions for both standalone units and CETP members. Water recovery >92%.
Chemical & Pharma ETP — Dahej, Ankleshwar, Vadodara
Multi-stage ETP systems for chemical and pharmaceutical manufacturers in Gujarat's industrial belts. Physio-chemical primary treatment (pH adjustment, heavy metal precipitation, coagulation), biological secondary treatment (MBBR or activated sludge), and advanced tertiary polishing (activated carbon, ozonation). Designed for complex effluent with solvents, APIs, and toxic organics — GPCB consent documentation support included.
Dairy ETP — Anand, Mehsana, and GCMMF Plants
Dedicated dairy effluent treatment systems for Gujarat's cooperative dairy sector — handling high BOD (500–3,000 mg/L), dissolved whey proteins, fats, cleaning chemicals, and CIP effluent. DAF for fat removal, MBBR biological treatment, secondary clarification, and sludge dewatering. Sized for large dairy plant capacities (100–2,000+ KLD) with capacity for seasonal flow variation.
Food & FMCG ETP — Ahmedabad, Rajkot
ETP systems for food processing, FMCG, edible oil, and snack food manufacturers across Ahmedabad and Rajkot GIDC areas. Rotary drum screens, DAF for FOG removal, MBBR biological treatment, lamella clarification, and volute sludge dewatering. GPCB-compliant design from day one — complete CTE/CTO documentation support.
CETP Pre-treatment Systems — Vapi, Ankleshwar, Vatva
Unit-level pre-treatment systems designed to meet CETP inlet standards for units discharging to Gujarat's industrial estate common ETPs. pH correction and neutralisation, oil and grease removal, solids separation, and specific pollutant reduction as required by CETP inlet quality parameters. Sized to match CETP fee structure optimisation.
ZLD Retrofit for Existing ETPs — Gujarat Units
Modular ZLD addition (RO + MEE/MVR) to existing biological ETPs in Gujarat — for units that have received GPCB show-cause notices or new CTO conditions requiring ZLD. Phased ZLD implementation starting with RO (65–75% water recovery) with provision for subsequent evaporation addition. Minimal disruption to ongoing ETP operations during retrofit.
Technologies
Proven Technologies for Your Industry
Benefits
Why Choose Spans for Your Industry
- GPCB-compliant ETP design — CTE and CTO documentation support from day one
- Deep experience across Gujarat's key sectors — textile, chemical, pharma, dairy, food, FMCG
- Turnkey EPC — process design, equipment supply, civil coordination, installation, commissioning
- ZLD system design capability for GPCB-mandated textile and distillery units
- CETP pre-treatment design for Vapi, Ankleshwar, and Vatva GIDC estate members
- Post-commissioning AMC for ongoing GPCB compliance across Gujarat
- Reference clients across India's food, pharma, and FMCG sectors
- MBBR and DAF technology well-suited to Gujarat's variable industrial loads
- Scalable designs — from 20 KLD to 5,000+ KLD
- Founded 1993 — 30+ years of industrial ETP project delivery across India
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