Tuesday, May 31, 2016

IISc students show how to manage waste in aircraft

Bengaluru: What happens to the waste generated in air? Two alumni of IISc, Mohit Gupta and Darshan Seshagiri, along with Aarohi Bhavinbhai Shah, (all currently studying at Georgia Tech) have designed a plant to manage waste inside aircraft in air and thereby reduce the aviation industry's ecological footprint.
Their plant, whose process the team compares with the human digestive system, beat 300 other projects from US universities to win the Innovation 2016 award.
"Waste generated on board goes straight to landfills. Airlines pay about $241 per tonne to dispose of the waste along with a tipping fee of $16 per tonne. A tonne of waste is equal to the waste generated by 3 long haul flight segments," said Prof Dineshkumar Harursampanth, one of the mentors for the team, quoting a New York Times article published in 2010.
Ac cording to the team members, waste is collected in a gasification plant installed in the aircraft. Gasification is a process that breaks down solid waste into small chunks and decomposes it, which eases waste transportation and disposal. The process produces combustible gas, which is burnt in a chamber of the gasification plant. It has an outlet, with a filter and the air is expelled into the atmosphere.
31/05/16 Times of India
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