Two stage pyrolysis¨Ccatalysis
of used tyres was undertaken to upgrade the derived oil to
a highly aromatic oil suitable to be used as a chemical feedstock
rather than a liquid fuel. The tyres were pyrolysed in a fixed
bed reactor and the evolved pyrolysis gases were passed through
a secondary fixed bed reactor containing zeolite catalyst.
The pyrolysis reactor was maintained at 500 ˇăC and the influence
of catalyst temperature between 430 and 600 ˇăC on the yield
and composition of the derived oils was examined......
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