污水土地处理生态工程综合效益评价──以霍林河森林型慢速渗滤土地处理工程为例

Comprehensive benefits of land treatment eco engineering for wastewater A case study on forest type slow filtration land treatment system in Huolinhe River.

为了科学、定量地评价污水土地处理生态工程的综合效益，运用层次分析法（ＡＨＰ），提出了评价指标体系、指标权重和综合效益计算方法．应用此方法对霍林河森林型慢速渗滤土地处理工程的综合效益进行了分析与评价．结果表明，霍林河森林型慢速渗滤土地处理工程的综合效益值ＣＥ＝０．６４，属于中级生态经济系统。

In order to scientifically and quantitatively evaluate the comprehensive benefits of land treatment eco engineering for wastewater,the index system and index weight of evaluation and the calculating methods for comprehensive benefits were provided through the analysis of horizon profile (AHP).Then,the AHP was used to analyze and evaluate the comprehensive benefits of a forest type slow filtration land treatment system engineering in Huolinhe Region. The results indicated that the value of comprehensive benefits for this system was 0.64,which economically belongs to a middle grade ecosystem with a good benefit on both environmental and society.