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Waste Management

ETP/STP
Treatment Plants

Complete effluent treatment plant (ETP) and sewage treatment plant (STP) solutions for industrial and municipal wastewater. Designed for primary, secondary, and tertiary treatment with aeration, clarification, filtration, and sludge handling to meet CPCB discharge norms.

10 - 500
m3/day
CPCB/SPCB
Norms
Aerobic/
Anaerobic
PLC/SCADA
Control
ETP/STP Treatment Plants — Gausin International Engineers
CPCB
Compliant

Product Overview

The Gausin ETP/STP Treatment Plants provide end-to-end wastewater treatment from influent screening through biological treatment, clarification, and tertiary polishing to meet prescribed discharge or reuse standards.

Systems are engineered for textile, pharmaceutical, food processing, chemical, and municipal applications — with options for aerobic activated sludge, extended aeration, MBBR, SBR, and tertiary UF/RO for zero liquid discharge (ZLD) where required.

Gausin delivers turnkey EPC scope including process design, civil guidance, equipment fabrication, installation, commissioning, operator training, and after-sales support.

Regulatory Compliance
Designed to meet CPCB/SPCB effluent discharge and reuse norms.
Multi-Stage Treatment
Primary, secondary, and tertiary stages tailored to effluent characteristics.
PLC/SCADA Automation
Automated dosing, aeration, and alarm management with data logging.
Sludge Management
Thickening, dewatering, and disposal-ready sludge handling systems.
Energy-Efficient Aeration
Optimized blower sizing and VFD control reduce power consumption.
Turnkey EPC
Single-point responsibility from design through commissioning.

Technical Specifications

Process Parameters

Capacity10 - 500 m3/day
TreatmentPrimary / Secondary / Tertiary
ComplianceCPCB / SPCB Norms
ControlPLC / SCADA

Construction Details

Material of ConstructionRCC / MS / FRP tanks & piping
Design StandardCPCB / SPCB effluent norms
Aeration SystemSurface / Diffused aerators
Sludge HandlingThickener, dewatering press / centrifuge
Control SystemPLC / SCADA with HMI
Warranty12 months from commissioning

Instrumentation & Controls

Control SystemPLC / SCADA with HMI Touchscreen
pH & DO SensorsInline probes with auto alarm
Flow MeasurementElectromagnetic / ultrasonic flow meters
Blower ControlVFD-driven aeration blowers
Chemical DosingAuto dosing pumps (lime, alum, polymer)
Level MonitoringUltrasonic / radar level transmitters

Applications

Textile
Treatment of dyeing, printing, and washing effluent with colour and COD reduction.
Pharma
Pharmaceutical wastewater with biological and tertiary polishing stages.
Food & Beverage
High-BOD dairy, brewery, and food processing effluent treatment.
Chemical
Chemical plant effluent with pH neutralization, coagulation, and treatment for organics and heavy metals.
Municipal
Sewage treatment for residential, commercial, and institutional developments.

Key Advantages

Assured Compliance
Process design validated against inlet load and outlet quality targets.
Flexible Process
MBBR, SBR, ASP, and tertiary options matched to effluent type.
Lower O&M Cost
Robust equipment and automated control reduce operator dependency.
Easy Maintenance
Accessible tanks, blowers, and pumps for routine servicing.
Proven Performance
Backed by environmental and process engineering experience.
Full Documentation
P&IDs, GA drawings, O&M manuals, and test certificates supplied.

How It Works

1
Pre-Treatment
Screening, oil-grease trap, equalization, and neutralization prepare raw effluent for biological treatment.
2
Biological Treatment
Aerobic or anaerobic process reduces BOD, COD, and nutrients in aeration tanks or bioreactors.
3
Clarification
Settling tanks or DAF units separate biomass; excess sludge is thickened and dewatered.
4
Tertiary Polishing
Sand filtration, activated carbon, or membrane stages polish effluent for discharge or reuse.
5
Discharge / Reuse
Treated water meets outlet norms; optional RO stage enables process reuse or ZLD.

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