Industrial Sewage Treatment Plant

What is an Industrial Sewage Treatment Plant?
An Industrial Sewage Treatment Plant is a facility designed to treat wastewater generated by industrial processes. Unlike domestic sewage, industrial effluents often contain a mix of organic and inorganic substances, heavy metals, oils, greases, chemicals, and toxic materials. The treatment process aims to:
- Remove suspended solids
- Reduce chemical oxygen demand (COD) and biological oxygen demand (BOD)
- Eliminate hazardous substances
- Facilitate water reuse or safe discharge into water bodies
Key Components of an Industrial STP
1. Screening Unit
- Removes large particles, plastics, rags, and debris.
- Prevents damage to pumps and equipment downstream.
2. Equalization Tank
- Balances the flow and concentration of pollutants.
- Ensures a uniform load to subsequent treatment stages.
3. Oil & Grease Trap
- Separates oils, greases, and hydrocarbons from the wastewater.
4. Primary Clarifier
- Settles suspended solids and sludge from the influent.
5. Biological Treatment (Aeration)
- Uses microorganisms to break down organic matter.
- Common methods: Activated Sludge Process (ASP), Moving Bed Biofilm Reactor (MBBR), and Sequential Batch Reactor (SBR).
6. Secondary Clarifier
- Separates treated water from biological sludge.
7. Tertiary Treatment
- Involves filtration, disinfection (UV/Chlorination), and polishing to achieve desired water quality.
8. Sludge Handling System
- Includes sludge thickening, dewatering (using filter press or centrifuge), and safe disposal.
Types of Industrial STP Technologies
- Conventional Activated Sludge Process (ASP): A widely used aerobic process involving aeration and sedimentation.
- MBBR (Moving Bed Biofilm Reactor): Biofilm grows on carrier media; efficient in compact spaces.
- SBR (Sequential Batch Reactor): Time-sequenced treatment; ideal for industries with fluctuating flows.
- MBR (Membrane Bioreactor): Combines biological treatment and membrane filtration for high-quality output.
- Zero Liquid Discharge (ZLD): Ensures complete recovery and reuse of water; no discharge at all.
Industries that Require STPs
- Textile & Dyeing Units
- Chemical and Pharmaceutical Plants
- Food and Beverage Processing
- Paper and Pulp Industries
- Automobile and Engineering Units
- Petrochemical and Refineries
Importance of Industrial Sewage Treatment Plants
- Regulatory Compliance: Industrial units must comply with pollution control board (PCB) norms.
- Environmental Protection: Prevents contamination of rivers, lakes, and groundwater.
- Sustainable Water Management: Treated water can be reused in processes, reducing freshwater consumption.
- Operational Efficiency: Improves plant hygiene, safety, and reduces environmental liabilities.
- Corporate Social Responsibility: Demonstrates environmental commitment to stakeholders.
Advantages of Using an Efficient STP
- Reduced penalties and legal risks
- Lower operational and maintenance costs with modern systems
- High recovery rate of water
- Space-efficient and automated operations
- Improved image and trust among customers and authorities
Kelvin Water Technologies Pvt. Ltd.: Leading the Way
Kelvin Water Technologies Pvt. Ltd. is a renowned Indian company specializing in the design, manufacture, and installation of advanced sewage and effluent treatment systems for both domestic and industrial applications. With years of experience and a focus on innovation, Kelvin has emerged as a trusted name in the environmental solutions sector.
Why Choose Kelvin for Industrial STP?
1. Customized Solutions: Tailored plants based on the specific effluent profile of your industry.
2. Advanced Technology: Expertise in MBBR, SBR, MBR, and ZLD systems with full automation options.
3. Turnkey Projects: From design and engineering to installation and commissioning.
4. After-Sales Service: Strong maintenance and support team for trouble-free operation.
5. Eco-Friendly & Compliant Designs: Ensures adherence to CPCB/SPCB discharge norms and environmental safety.
Industries Served by Kelvin
Kelvin Water Technologies has delivered STPs for a wide range of industries including:
- Automotive
- Textiles
- Food processing
- Pharmaceuticals
- Packaging
- Metal finishing
Notable Features of Kelvin STPs
- Compact & modular design for easy installation
- High energy efficiency
- SCADA & PLC-based automation
- Low manpower requirement
- Sludge minimization technology
Conclusion
Industrial sewage treatment is not just a regulatory necessity but a vital step towards environmental sustainability and responsible industrial practices. With the growing emphasis on water conservation, pollution control, and efficient wastewater management, investing in a high-quality STP is a strategic decision for any industrial enterprise.
Kelvin Water Technologies Pvt. Ltd. stands out as a leading solution provider in this domain. Through its innovative approach, quality systems, and customer-centric service, Kelvin is empowering industries across India to meet their environmental goals with confidence.
If you’re looking to install or upgrade your industrial sewage treatment plant, Kelvin Water Technologies offers end-to-end solutions that are efficient, reliable, and environmentally sound.