Urine-Processing Technologies Yield Rich Cash Flow Potential

The stink is out of urine, literally and metaphorically, with a growing number of researchers spotting commercial and ecological value in a liquid most people consider waste.

The Indian Institute of Technology (IIT) Delhi, for instance, is working to harvest this human waste and convert it into fertiliser. The Delhi government is willing to consider a revenue-share commercial venture selling the phosphates and nitrates in urine.

On the outskirts of Delhi, a little-known non-government organisation, Fountain for Development Research and Action, is laying the ground for the first urine bank. It has diverted urine from two schools, where it has installed odour-free urinals, into a tank and transferred the run-off to a village nearby for use as fertiliser.

Director Madhab Nayak says the foundation is working towards making farmers aware of its potential as replacement for expensive urea.

“There is no such thing as waste,” says Vijayaraghavan M Chariar, assistant professor at the Centre for Rural Development and Technology at IIT. “Urine consists of a lot of inorganic salts, which produce gases only when mixed with water. It is, in fact, pure fertiliser,” he added..........Click for more


Source Web Page: Business Standard

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