Treatment Technology of Wastewater Using Constructed Wetland and Its Present Status and Future Prospects in China
Received date: 2003-09-01
Revised date: 2003-11-01
Online published: 2004-01-24
Constructed wetland is an integrated ecosystem ，it has particular mechanism and function on treatment of wastewater. Many countries are paying more attention to it increasingly. Based on the research of all the world , this paper concisely introduces the mechanism and classification of treatment technology of wastewater and analyzes its advantages and deficiencies by the numbers. The advantages of constructed wetland are correspondingly low investment,variety and pertinence of treatment systems , efficient purification capability and especial virescence benefit. The deficiencies are mainly the large-scale land requirement ，more saturation phenomena and limitation with climate than traditional wastewater treatment plants ，but these deficiencies can be hurdled through continuous research. After expatiating the present status of research and application , the paper points out the widely applied prospects of treatment technology of wastewater using constructed wetland in China ，especially in the rural areas and small cities. At last , the author brings forward strategical viewpoint on how to develop it at present. It includes enhancing perception extent ，developing scientific research with focal points and taking ripe technology as chief choice with enough argumentation.
YU Shaopeng, WANG Haixia, WAN Zhongjuan, SUN Guangyou . Treatment Technology of Wastewater Using Constructed Wetland and Its Present Status and Future Prospects in China[J]. PROGRESS IN GEOGRAPHY, 2004 , 23(1) : 22 -29 . DOI: 10.11820/dlkxjz.2004.01.003
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