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| Decentralised wastewater treatment thru cana-beds around a sump for gardening-water, IGIDR Mumbai |
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| Pumping system for distributing wastewater thru cannabeds |
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| Cleansed wastewater for gardening collects in sump after seeping thru cannabed |
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| Aeration of wastewater can be done thru decorative fountains |
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| Child-friendly toilet in adult cubicle |
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A Policy for Sustainable Waste-Water Management
India needs to evolve its own set of criteria and policies for natural, low-cost, low-maintenance waste-water treatment systems that do not fail when there are daily and unscheduled power cuts, and do not incur prohibitive power bills, as conventional sewage-treatment plants do.
Despite Massive Investments, Conventional Sewage Treatment Plants Fail
Inner-city space is costly, but decentralised treatment can be done at the neighbourhood level or within the storm-drains themselves, in available spaces.
Sustainable Waste-Water Management Policy
All over India, despite massive investments, conventional waste-water treatment has largely failed. The cost of leading waste-water via Under-Ground Drainage (UGD) to centralized plants is prohibitive.
In-Situ Treatment of Sewage In Urban Storm-Water Drains
In all Indian cities, sewage flows illegally into storm-water drains which were formerly natural water-courses. So all of these empty today into rivers, lakes or city water-bodies, polluting them and causing eutrophication.
Slum Sanitation for Kota
The results of the Kota slum visits have been surprising and revealing to my collleagues in the wastewater, storm-water drainage and water supply sectors.
A Low-Cost Way To Treat Sisamau Sewage
The filthy 100 mld Sisamau outfall at Kanpur has carved out an enormously long and wide channel to the Ganga. Instead of being a river of sewage, the entire bed can be converted to a vastly-adequate series of oxidation ponds, by bunding the bed to give the required 1-1.5 meter depth all along its length."
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