Characterization of the Different Oils Obtained through the Catalytic In Situ Pyrolysis of Polyethylene Film from Municipal Solid Waste

Nowadays, the thermal and catalytic decomposition of plastic wastes by pyrolysis is one best alternatives to convert these into quality fuel oils, thus replenishing some petroleum resources. This work studied polyethylene film waste from remaining organic fraction on different catalysts under dynamic operating conditions in a batch reactor. These have been characterized through isotherms adsorption-desorption with N2 X-ray powder diffraction for structural characterization see differences their use. The results obtained compared same material without catalyst. Special attention has paid similarities pyrolysis. liquid fraction, including physical chemical properties, carried out. yield varies 37 43%; it good calorific values 46–48 MJ/kg, an average density 0.82 g/cm3, fairly low viscosity product Other properties like American Petroleum Institute (API) gravity or pH were also determined found be similar conventional fuels. Oils are mainly composed paraffins, naphthenes, aromatic hydrocarbons. general distribution carbons C7 C31. Finally, detailed analysis composition products shows they present heavy naphtha, kerosene, diesel fractions proportions function catalyst used.