点源污染主要来自工业工厂和城市废水处理厂。
Point source pollution comes mainly from industrial facilities and municipal wastewater treatment plants.
但近些年，越来越重视改进城市废水处理过程中的固体残留物的处理方法。
In recent years, however, more stress has been placed on improving means of disposal of the solid residues from the municipal treatment processes.
从微生物过程的基本特征出发，分析了厌氧处理技术用于城市废水处理的可行性。
Based on the basic characteristics of microbial process, the feasibility of ABT for urban wastewater is analyzed in this paper.
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