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随着人民生活水平的不断提高,人们对塑料制品的需求量也就越来越大。虽然从某种意义上促进了塑料工业的一定的发展,但是被废弃的塑料制品却对环境造成严重污染。据不完全统计,一个中等城市每年废弃的包装物等塑料制品高达几千吨,而发达城市的数量还要多。如何处理这些“白色垃圾”成为了一个令人头疼的难题。我国科技工作者经过多年的不懈努力,终于
With the continuous improvement of people’s living standards, people’s demand for plastic products is also growing. Although the plastic industry has been promoted in a certain sense, the abandoned plastic products cause serious pollution to the environment. According to incomplete statistics, plastic products, such as wrappings, discarded in a medium-sized city are up to several thousand tons a year, while the number of developed cities is even larger. How to deal with these “white trash” has become a daunting problem. After many years of unremitting efforts, China’s science and technology workers finally