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Cryogenic tyre grinding
Liquid nitrogen or other cryogenic fluids can be used in order to process used tyres, as temperatures under -80°C render the rubber brittle and easy to shatter.
According to a 2003 report by the US Environmental Protection Agency (EPA), the US alone, generate around 290 million scrap tyres annually. Until recently they were disposed of in landfills or other types of tyre piles. But environmental legislation tends to consider this as dangerous waste and the ...