中文摘要：

生命周期评价为全面评价污水处理提供了工具。在介绍生命周期评价理论的基础上,对其在污水处理领域的应用理论进行分析,对其国内外应用现状和特点进行回顾性评价。同时展望了生命周期评价在污水处理领域的发展,并提出了意见和建议以推动生命周期评价在我国得到更好的应用。

英文摘要：

The life cycle assessment（LCA） provides a tool for complete evaluation of wastewater treatment.Based on the introducing of the theory of LCA,the paper analyzes the application of the LCA theory in wastewater treatment and conductes a retrospective evaluation of its application status and characteristics at home and abroad.At the same time,to promote the development of LCA in China,the paper puts forward the opinions and suggestions for the development of LCA in the field of wastewater treatment.