Constructed wetland and its application for industrial wastewater treatment

Abstract

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

CLC Number:

X171.4

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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