Advances in the research of infiltration wetland wastewater treatment systems

Abstract

Abstract: As their high purification efficiency and relatively low capital investment and treatment cost, infiltration wetland wastewater treatment systems have been popular,and are being increasingly applied in many countries. In this paper, the bed structure and filtering media, nitrogen and phosphorus removal processes and purification mechanisms, performance, current design criteria, operation and regulation mechanisms, soil clogging problem and solutions, and combination of vertical-horizontal flow wetlands treatment system and its use in different types of wastewater treatment were introduced and summarized. Finally, the future research directions of this technique were also discussed.

Key words: Infiltration wetland, Wastewater treatment, Vertical-flow, Artificial soil, Design, pit-mound microsite, stoichiometry, decay of treefall., soil physicochemical property

CLC Number:

X703

CUI Lihua, ZHU Xizhen, LUO Shiming . Advances in the research of infiltration wetland wastewater treatment systems[J]. Chinese Journal of Applied Ecology, 2003, (4): 623-626.

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