Million tons of feathers chicken and carbon dioxide, a factor of climate disorder, are emitted every year on the planet. Combining the two allows to obtain a new type of allowance thanks to a simple chemical procedure, and also with a secondary product that can be used as a waterproofing agent.
The world has an estimated population of 19.000 million chickens, that is two and a half times more than the number of people. Of the consumption of birds 5 million tons of feathers emerge every year. Most end up in downloads where they last for decades.
After transformation into plastic, in hydrogen-based fuel, in composite material, a possible new use, has been developed by changle Chen from China University of Science and Technology in Hefei, Anhui Province, to manufacture fertilizer.
Decomposing by pyrolysis 1 g of feathers at 600 ° C for 3 hours in carbon dioxide, 0,26 g of bicarbonate de ammonium. This product can then be used as compost. If heated to 60º C, it releases ammonia, usable as compost.
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