近年采,我国城市化进程逐步加快,随之城市生活垃圾与日俱增,年产量已超过1亿t,而且每年正以6％左右的速度增长。由于城市垃圾处理设施严重不足,以及处理水平普遍不高,相当一部分城市的土壤、水体和大气受到了生活垃圾的污染,使生态环境和人民群众生活受到影响,因此解决城市生活垃圾问题已成为中央和各级政府以及全社会共同关注的热点问题。与此同时,全国工业固体废物堆存量累计已达59.2亿t,占地5.5万hm2,其中占用农田 In recent years, the process of urbanization in our country has been gradually accelerated. As a result, urban domestic waste has been increasing with an annual output of more than 100 million tons, and is growing at a rate of about 6% every year. Due to the serious shortage of urban garbage disposal facilities and the generally low treatment level, the soil, water bodies and atmosphere in a considerable part of cities have been contaminated with domestic garbage, which has affected the ecological environment and the people’s livelihood. Therefore, the solution to the problem of municipal solid waste has become central And all levels of government and the whole society are concerned about the hot issues. In the meantime, the accumulated industrial solid waste nationwide has reached 5.92 billion tons, covering 55,000 hm2, of which farmland