A toilet that requires less water and no sewage connection

GN Bureau | December 21, 2015


#bio toilet   #swachh bharat   #bio toilets   #gramkranti eco bio toilets   #bio toilets sanjay joshi  

(Photo: Nivedita Khandekar/India Water Portal)

(Courtesy: India Water Portal)


Think of a toilet that needs no septic tank, sewage connection and huge water to flush out the waste. Sanjay Joshi, a farmer in Daryapur, Amravati district has developed the unique toilet that uses bacterial culture to treat human waste and requires less water as compared to conventional ones. At the same time, the toilet releases a nutrient-rich, odourless, colourless liquid that can be used as pesticides in farms.

 
The unique toilet, called ‘Gramkranti Eco-Bio toilets’ has a conventional seat with a small size tank (2 x 2.25 x 2.25 cuft). The tank design is configured to attain highly efficient in-situ decomposition of excreta with the help of a patented bacterial culture. “The work is done by this culture. To put it simply, this bacterial culture eats the human excreta, and the colourless, odourless water that we get is that bacteria’s excreta," Joshi says. Unlike the output from urinals or open sewage, the by-product from this toilet prevents flies and mosquito larva from breeding. Those who don’t want to use it as pesticide can either sell it or simply drain it away in conventional drains. 
 
Mahatma Gandhi Institute for Rural Industrialisation, Wardha, has certified that the tank used is hygienic and suitable for low-cost latrine usage. The National Environmental Engineering Research Institute (NEERI), Nagpur has examined the tank output and certified that it is safe for human health. Panjabrao Krishi Vidyapeeth, Akola has certified that the output liquid has sufficient NPK contents and micro-nutrients to be used as organic pesticide.

Joshi installed the first such toilet almost 30 years ago and he remembers how difficult was it to convince people to use it. However, slowly it gained acceptance. In three decades, Joshi has installed about 12,000 toilets across Amravati district and neighbouring areas. The toilet has been installed at about 50 government schools in Daryapur tehsil. The only publicity it received was through word-of-mouth. Inspired by the Swachh Bharat campaign, Joshi has decided to popularise the toilet even more. 

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