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Natural Based Waste Water Treatment System

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Natural Based Waste Water Treatment System

Natural based wastewater systems [also referred to as decentralized wastewater treatment systems] convey, treat and dispose or reuse wastewater from small communities, buildings and dwellings in remote areas, individual public or private properties. Wastewater flow is generated when appropriate water supply is available within the buildings or close to them. Natural Based wastewater system treat, reuse or dispose the effluent in relatively close vicinity to its source of generation. They have the purpose to protect public health and the natural environment by reducing substantially health and environmental hazards.

They are also referred as decentralized wastewater treatment systems because the main technical challenge is the adequate choice of a treatment and/or disposal facility.

Treatment Technology

The grey water and the black water generated in the hospital premises first enter into separate two chambered settlers. The settlers for black water treatment are integrated with the anaerobic baffled reactors. The partially treated black water then undergoes secondary anaerobic treatment through baffled reactors. The black water and grey water is collectively passed through anaerobic filter and then to the series of horizontal gravel filters planted with Canna indica. Final treatment is done through polishing ponds where the water is stored also for further reuse.

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