WASTE Performance Evaluation: Circular Economy Model with Black and Greywater Recycling in India

WASTE Performance Evaluation: Circular Economy Model with Black and Greywater Recycling in India. SWFF, August 2019.

WASTE Intervention – The intervention has two major technical applications: a) greywater recycling at the local level, and, b) faecal sludge recycling with organic solid waste using co-composting methods.

Typically, faecal sludge was collected and dumped either at open grounds at distant locations or into the nearest body of water, resulting in heavy freshwater contamination.

The WASTE intervention collects faecal sludge from private vacuum truck operators, transports it to the treatment site and feeds into the system.

Diamond Model – The Diamond Model produces nutrient rich co-compost to be used as a soil conditioner for cultivation of exotic vegetables by female farmers in the District.

The model focuses on four key areas for successful implementation and sustainability in the agriculture sector: a) farmers raising the demands, b) female Self Help Group (SHG) members involved with companies producing and managing the cocompost supply, c) agri-marketing companies to manage finances, and, d) government authorities to implement the project focused on treatment of faecal sludge and grey water.

The technical innovations within the model involve recycling grey water and using treated water for irrigation in critical periods of lower rainfall and dry seasons.

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