摘要
随着我国污水处理厂的大量建成并投入运行,城市污水排放量不断增长,污水处理产生的污泥也不断增加。如果未经一定处理和处置的污泥直接进入环境,将会给环境造成二次污染,容易对生态环境和人类活动构成严重威胁。因此,如何合理地处理、处置污泥,已成为城镇污水处理厂和相关部门必须重视的问题。介绍了污泥的多种处置技术,并分析了不同处置技术的优缺点,指出土地利用在我国具有广阔的前景。
As the municipal sewage disposal plants establishment and operation, sewage quantity is greatlygrowing companied with sludge, ff it is put into environment directly without any disposal and treatment, it will bring the second pollution which threat to ecological environment and human activity. So it must be focus by sewage disposal plants and related departments that how to dispose and treatment the sludge rationally. Treatment technologies of sewage sludge are introduced, and their advantages and disadvantages are also analyzed in details, and land use of sewage sludge is more prospective in China.
出处
《中国资源综合利用》
2011年第12期48-51,共4页
China Resources Comprehensive Utilization
关键词
污泥
处置技术
土地利用
综合利用
sludge
treatment technology
land use
comprehensive utilization