Removal Processes of Carbamazepine in Constructed Wetlands Treating Secondary Effluent: A Review

被引：15
|
作者：
Chen, Xinhan [1 ]
Hu, Zhen [1 ]
Zhang, Yijin [2 ]
Zhuang, Linlan [1 ]
Zhang, Jian [1 ,3 ]
Li, Jing [1 ]
Hu, Hongying [4 ]
机构：
[1] Shandong Univ, Shandong Key Lab Water Pollut Control & Resource, Sch Environm Sci & Engn, Qingdao 266237, Peoples R China
[2] Shandong Acad Environm Sci, Environm Engn Co Ltd, Jinan 250100, Shandong, Peoples R China
[3] Shandong Univ, State Key Lab Microbial Technol, Jinan 250100, Shandong, Peoples R China
[4] Tsinghua Univ, Sch Environm, Environm Simulat & Pollut Control State Key Joint, Beijing 100084, Peoples R China
来源：
WATER | 2018年 / 10卷 / 10期
基金：
中国国家自然科学基金;
关键词：
constructed wetlands; carbamazepine; removal mechanisms; enhancement approaches; photocatalytic oxidation; WASTE-WATER TREATMENT; PERSONAL CARE PRODUCTS; MICROBIAL FUEL-CELL; PHARMACEUTICALLY ACTIVE COMPOUNDS; HORIZONTAL SUBSURFACE FLOW; EMERGING CONTAMINANTS; AZO-DYE; BIODEGRADATION; DEGRADATION; DICLOFENAC;
D O I：
10.3390/w10101351
中图分类号：
X [环境科学、安全科学];
学科分类号：
08 ; 0830 ;
摘要：
It is widely believed that constructed wetlands (CWs) own great potentiality as polishing wastewater treatment methods for removing carbamazepine (CBZ). Although the typical CBZ removal efficiencies in CWs are quite low, the CBZ removal performance could be improved to some extend by optimizing the CW design parameters. A comparison of current relevant studies indicates that horizontal sub-surface flow CWs (HSSF-CWs) and hybrid wetlands are attracting more interest for the treatment of CBZ wastewater. According to CBZ's physicochemical properties, substrate adsorption (25.70-57.30%) and macrophyte uptake (22.30-51.00%) are the two main CBZ removal pathways in CWs. The CBZ removal efficiency of CWs employing light expanded clay aggregate (LECA) as a substrate could reach values higher than 90%, and the most favorable macrophyte species is Iris sibirica, which has shown the highest total CBZ assimilation capacity. Several methods for enhancement have been proposed to optimize CBZ removal in CWs, including development of hydraulic models for optimization of CW operation, introduction of extra new CBZ removal ways into CW through substrate modification, design of combined/integrated CW, etc.
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页数：16
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