Abstract
This paper describes that selective liquefaction characteristics of polystyrene in waste plastics and fuel characteristics of biodiesel fuel, BDF, liquefied polystyrene as diesel fuel. In experiment, expanded polystyrene, EPS and polystyrene paper, PSP were liquefied in soybean oil methyl ester. As the result, it was found that the kinematic viscosity of liquid increases with an increase of PS concentration in BDF. It was clarified that the increase of kinematic viscosity of BDF liquefied PS was due to molecular weight of PS. The self-ignition quality is decrease with an increase of PS concentration in BDF. The BDF with EPS concentration of 2 mass % is little change as compared with neat BDF.
