人工湿地及其在工业废水处理中的应用

摘要/Abstract

摘要： 论述了人工湿地污水处理技术的机理和优点.人工湿地利用基质、植物和微生物这个复合生态系统的物理、化学和生物的三重协调作用,通过过滤、吸附、共沉淀、离子交换、植物吸收和微生物分解来实现对废水的高效净化,同时通过营养物质和水分的生物地球化学循环,促进绿色植物生长并使其增产,实现废水的资源化与无害化;人工湿地污水处理系统具有出水水质稳定、对营养物质去除能力强、基建和运行费用低、技术含量低、维护管理方便、耐冲击负荷强、适于处理间歇排放的污水和具有美学价值等优点.该技术不仅能够在发展中国家和发达国家的城市生活污水处理中广泛应用,其在工业废水处理中的应用也正在不断受到重视.根据人工湿地在工业废水处理中的研究和应用现状,指出了人工湿地处理特殊工业废水的前景及今后的研究方向.

关键词: 人工湿地, 生态工程, 工业废水

Abstract: This paper presents a review of the mechanisms and advantages of the constructed wetland (CW).The wetland as land-intensive biological treatment systems has complicated purificative mechanism,including physio-chemistry such as substrate adsorption,substrate filtration,plant adsorption,pollutant sediment ion exchange and biochemistry such as plant sorption,microbiology oxidation,microbiology ammunition.Besides the aesthetic aspect of macrophytes to provide wildlife habitats,the advantages of CWare relatively low cost,simple operation with stable effluent quality and good resistance to shock loading.In recent years.these systems have been used in the purification of domestic sewage.Nowadays attention has focused particularly on the use of constructed wetlands for the treatment of industrial effluents.According to the study and present state of constructed wetland for industrial wastewater treatment,feasibility of CWfor special industrial wastewater treatment and investigations in the future were discussed.

Key words: Constructed wetland, Ecological engineering, Industrial wastewater

中图分类号:

X171.4

籍国东, 孙铁珩, 李顺. 人工湿地及其在工业废水处理中的应用[J]. 应用生态学报, 2002, (2): 224-228.

JI Guodong, SUN Tieheng, LI Shun . Constructed wetland and its application for industrial wastewater treatment[J]. Chinese Journal of Applied Ecology, 2002, (2): 224-228.

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