污泥有效利用研究进展

State and Development for Treatment and Disposal of Sewage Sludge in City

在城市化发展进程中 ,随着环境质量标准的提高 ,污水处理率和处理程度的提高与深化 ,污泥产量大大增加 ,如何将这些污泥无害化并进行有效利用是世界各国共同重视的一个问题。本文对国内外污泥处理和有效利用现状研究进展进行了综述。并指出在我国这样一个农业大国 ,污泥农用应作为主要发展方向。

In the process of development of city, with enhancement of environmental quality standards, increasing of percentage and deepening of degree of wastewater treatment, the output of sewage sludge increase greatly, how to treat and disposal it in order to minimize its harm and to make effective use become a worldwide concern. This paper reviews on the state and development of the techniques of treatment and effective use of sludge. It is pointed out that agricultural disposal is a main route in our agricultural country.