Recycling. Recycling of Plastic Debris.

Abstract

The material recycling rate of the plastic wastes in 1995 was 11%, which means 950, 000 tons of plastic were recycled as the materials. Taking a look at them by the production sources, the plastic wastes such as the waste pieces from molding processes, off-specification products, etc. amount to about 780, 000 tons with its material recycling rate of around 98%. On the other hand, the plastic wastes from the distribution and marketing fields amount to 3.63 million tons with the recycling rate of about 5.8 %, while the household plastic wastes amount to 4.43 million tons with the recycling rate of insignificant 0.2%.The material recycling of the plastic wastes from the household are just limited to such products as PSP trays and PET bottles witch are composed of single material and of collectable nature. When it comes to the promotion of recycling of the household plastic wastes, it is dfficult to collect only single material-products, thus, the chemical and thermal recycling methods are considered important.The energy recovery by high efficient power generation and an intermediate system of collection such as the RDF method, the reduction to oil shall become important technologies. If we can reuse them successfully combining with the existing industries such as blast furnaces, cement kilns, etc., we shall be able to expect profitable recycling businesses at the reasonable cost and future development.