and cokes. d) Waste PVC and PE can be treated to make hydrophobic materials for under draining. e) Oil or gas can be regenerated by pyrolysis of wasted PE.
2) Burial. Waste plastics which are not suitable for recycling must be buried according to the law, which also regulates the place and method of burial and the pre-treatment.
3) lncineration. Incineration is also regulated by the law. It is not recommended, but incineration of an amount up to 100 kg/day at an authorized facility is allowed. More detailed and thorough approaches will be needed both technically and administratively.
Table 1. 7. Treatment of waste plastics(tons) in Japan in 1985 (after Takakura, 1988).