Low temperature conversion of plastic waste into light hydrocarbons

Sajid Hussain Shah, Zahid Mahmood Khan, Iftikhar Ahmad Raja, Qaisar Mahmood, Zulfiqar Ahmad Bhatti, Jamil Khan, Ather Farooq, Naim Rashid, Donglei Wu
Journal of Hazardous Materials 2010 July 15, 179 (1): 15-20
Advance recycling through pyrolytic technology has the potential of being applied to the management of plastic waste (PW). For this purpose 1 l volume, energy efficient batch reactor was manufactured locally and tested for pyrolysis of waste plastic. The feedstock for reactor was 50 g waste polyethylene. The average yield of the pyrolytic oil, wax, pyrogas and char from pyrolysis of PW were 48.6, 40.7, 10.1 and 0.6%, respectively, at 275 degrees C with non-catalytic process. Using catalyst the average yields of pyrolytic oil, pyrogas, wax and residue (char) of 50 g of PW was 47.98, 35.43, 16.09 and 0.50%, respectively, at operating temperature of 250 degrees C. The designed reactor could work at low temperature in the absence of a catalyst to obtain similar products as for a catalytic process.

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