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Sewage is a resource that can be recycled for various uses like gardening, toilet flushing, car wash, cooling towers. Faced with the alarming fact that over 60% of the sewage generated in our country goes untreated, with its negative impact on human health, the government is focusing on waste management through centralized sewage treatment plants and by mandating large upcoming real estate projects to have their own treatment facility.

Sewage Treatment is essential to ensure that the receiving water into which the effluent is ultimately discharged is not significantly polluted. It works on producing environmentally safe fluid waste stream and a solid waste suitable for disposal or reuse.

Envirotech Systems ’s approach is to see wastewater as an opportunity, not a burden.

Process Description of Sewage Treatment Plant

Sewage Treatment Involves:

It involves the process of removing contaminants from wastewater and household sewage, both effluents and domestic. It includes a physical, chemical and biological process to remove physical, chemical and biological contaminants. The objective of sewage treatment is to produce a disposable effluent without causing harm to the surrounding environment and prevent pollution.

Sources of Wastewater:

Human waste

Washing water

Domestic sources

Highway drainage

Rainfall collected on roofs, yards, hard-standings

A Clarifier System is a key component in water and wastewater treatment plants, designed to remove suspended solids, settleable particles, and turbidity from raw water. Clarifiers work on the principle of gravity sedimentation, allowing heavier particles to settle at the bottom as sludge, while the clarified water overflows for further treatment.

Clarifier systems are widely used in municipal water treatment, industrial water processing, and sewage treatment plants as a primary or secondary treatment unit.

We design, construct, and maintain Sewage Treatment Plants (STPs) that efficiently treat domestic and industrial wastewater to meet environmental discharge standards. Our systems are engineered for reliability, low maintenance, and high treatment efficiency.

Scope of Work Includes:

• Design and construction of civil, mechanical, and electrical components

• Installation of aeration systems, clarifiers, and sludge handling units

• Operation and maintenance of existing STPs

• Upgradation and modification of old systems for improved efficiency

• Treated water recycling and reuse solutions

We ensure eco-friendly, cost-effective, and sustainable wastewater management, supporting clean water and a greener environment.

Sewage Treatment Plant (STP) construction involves the planning, civil execution, installation, and commissioning of systems designed to treat domestic or industrial wastewater to meet environmental discharge and reuse standards.

The construction scope includes site preparation, excavation, RCC and structural works for treatment units such as collection tanks, equalization tanks, aeration tanks, clarifiers, filter units, sludge handling systems, and treated water storage tanks. Waterproofing, anti-corrosion coatings, and structural stability are ensured for long-term durability.

Mechanical and electrical works include the installation of pumps, blowers, diffusers, piping networks, control panels, automation systems, and instrumentation for efficient plant operation. Proper hydraulic design and interconnection of units are maintained to achieve optimal treatment efficiency.

STP construction is carried out in compliance with pollution control board norms, safety standards, and approved engineering drawings. The treated water can be safely reused for gardening, flushing, cooling, or discharged as per statutory requirements, contributing to sustainable water management and environmental protection.

A Water Treatment Plant (WTP) is a system designed to remove impurities, suspended particles, dissolved salts, bacteria, and harmful contaminants from raw water and make it safe for domestic, industrial, and commercial use.

The treatment process generally includes screening, coagulation, flocculation, sedimentation, filtration, and disinfection to ensure clear, odor-free, and hygienic water quality. Our WTP solutions are engineered to deliver consistent output water that meets regulatory and usage standards.

We provide complete design, supply, installation, testing, commissioning, and maintenance of WTP systems with compact layout, low operating cost, and reliable performance.

A Sewage Treatment Plant (STP) is designed to treat domestic and commercial wastewater and convert it into reusable, environmentally safe water. It removes suspended solids, organic matter, oil, grease, harmful bacteria, and pollutants before discharge or reuse.

The treatment process typically includes screening, equalization, biological treatment (MBBR/MBR/SBR), clarification, filtration, and disinfection. The treated water can be safely reused for flushing, gardening, cooling towers, and landscaping, reducing fresh water consumption.

We provide complete design, manufacturing, installation, testing, commissioning, and AMC maintenance of STP systems with compact footprint, low power consumption, and odor-free operation.

Sewage Treatment Plant (STP) Tank Construction Services cover the civil construction of treatment tanks and associated structures required for the effective treatment of domestic and municipal wastewater. The work is executed as per approved drawings, relevant standards, and environmental guidelines to ensure structural stability, watertightness, and long service life.

STP tanks are generally constructed in RCC, with suitable waterproofing and protective coatings to withstand continuous exposure to wastewater and treatment chemicals.