日本是世界仅次于美国的第二大塑料生产和消费国,塑料年产量超过1400万t,消费量近1000万t,目前废塑料排出量约为900万t/a,废塑料占生活垃圾体积的30名—50％。日本国土面积狭小、人口稠密,日益增多的大量废塑料已不能再用焚烧或掩埋的方法处理,废塑料公害对日本大众的生存环境构成 Japan is the second largest producer and consumer of plastic in the world after the United States. The annual output of plastic is more than 14 million tons and the consumption is nearly 10 million tons. At present, the output of waste plastics is about 9 million t / a, while the waste plastics account for domestic waste The volume of 30 -50%. Japan’s land area is small, densely populated, a growing number of waste plastics can no longer use incineration or burial methods, the pollution of plastic waste on the living environment of Japan’s public