About:
- What is it? Tyre pyrolysis refers to a technique of breaking down used tyres in the absence of oxygen. Shredded tyres, at temperatures between 250º C and 500º C, produce liquid oil and gases.
- NGT Ruling (2014): The National Green Tribunal in 2014 prohibited used tyres from being burnt in the open or being used as fuel in brick kilns, because of the toxic emissions. Subsequently, the board issued a set of guidelines, in which pyrolysis was recommended as an acceptable mode.
- Health risks: While this is considered a safer technique than burning tyres, pyrolysis leaves fine carbon matter, pyro-gas and oil as residue and the inadequate management of these by-products poses health risks.
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