Effluent Treatment Plant (ETP) Understanding Design, Process & Benefits
+91 – 98122 41001
What is an Effluent Treatment Plant (ETP)? An Effluent Treatment Plant (ETP) is a specialized facility designed to treat wastewater, or effluent, that comes from industrial processes. This wastewater contains harmful pollutants such as heavy metals, oils, chemicals, and other toxic substances that can harm the environment if not treated properly. The ETP cleans this water so it can be safely discharged into nature or reused in industrial operations.
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Purpose of an ETP • To reduce pollution and protect the environment • To meet legal discharge standards set by pollution control boards
• To enable safe disposal or reuse of treated water • To minimize water consumption through recycling
ETP Process Flowchart • Preliminary Treatment – Removes large solids (via screening) • Equalization Tank – Balances water flow and load • pH Correction – Neutralizes acidic or alkaline wastewater • Coagulation & Flocculation – Adds chemicals to form larger particles • Primary Settling – Solids settle at the bottom • Biological Treatment – Microorganisms break down organic pollutants • Secondary Clarification – Settles biological sludge • Filtration (PSF & ACF) – Removes suspended solids and odors • Disinfection – Kills pathogens using chlorine or UV
• Sludge Handling – Dewatering and drying of solid waste
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Key Components of an ETP • Screen Chamber: Removes large particles like plastics or debris.
• Oil & Grease Trap: Separates oils and grease from wastewater. • Equalization Tank: Maintains consistent flow and pollutant load. • Chemical Dosing Unit: Adds pH correction or coagulant chemicals.
• Clarifier: Settles solid sludge. • Aeration Tank: Uses air to support biological treatment. • Filters (PSF & ACF): Final polishing of water for reuse or discharge. • Sludge Drying Beds: Dry out collected sludge for disposal.
Benefits of ETP • Environmental Protection: Prevents pollution of water bodies • Legal Compliance: Meets pollution control norms • Water Reuse: Recycles water for non-potable uses • Cost Saving: Reduces water consumption and treatment penalties • Improved Sustainability: Supports green manufacturing practices
Application of ETP • Pharmaceuticals • Textiles & Garments • Chemicals & Fertilizers
• Food & Beverages • Pulp & Paper • Paints & Dyes
• Automotive • Metal Finishing
Company Name: Kelvin Water Technologies PVT. LTD. Address: Plot No. 81, Sector 05, IMT Manesar, Gurgaon, 122051 Website: www.kelvinindia.in Phone: +91 98122 41001 Email:
[email protected]
