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目前工业发达国家的城市固体废弃物(MSW)中,塑料废弃物所占重量比在逐年增长,有的国家已高达10%或以上,而体积比则达30%左右,在全球范围MSW的总量中,约有1/2—1/3为包装废弃物,如美国包装废弃物占29.3%,非包装废弃物占70.7%,其中塑料废弃物分别占4.1%和5.5%,日本约占40%,欧盟各国约占40%~70%,我国约占30%~40%。据报导,世界塑料废弃物每年高达50,000kt以上。其中相当部分为包装和农用领域的一次性产品。
At present, the weight ratio of plastic waste in municipal solid waste (MSW) in industrialized countries is increasing year by year. Some countries have already reached 10% or more, while the volume ratio is about 30%. The total number of MSWs in the world About one-half to one-third of the volume is packaging waste. For example, US packaging waste accounts for 29.3%, non-packaged waste accounts for 70.7%, of which plastic waste accounts for 4.1% and 5.5% respectively, and Japan accounts for about 40%. %, EU countries account for about 40% to 70%, China accounts for about 30% to 40%. According to reports, the world’s plastic waste is up to 50,000 kt per year. A considerable portion of these products are disposable products in the fields of packaging and agriculture.