Exploring the contribution of plant species in the performance of constructed wetlands for domestic wastewater treatment

被引:34
作者
Kulshreshtha, Niha Mohan [1 ,2 ]
Verma, Vishesh [1 ]
Soti, Abhishek [1 ]
Brighu, Urmila [1 ]
Gupta, Akhilendra Bhushan [1 ]
机构
[1] Malaviya Natl Inst Technol, Dept Civil Engn, JLN Marg, Jaipur 302017, India
[2] Malaviya Natl Inst Technol, Dept Civil Engn, Publ Hlth Engn Lab, JLN Marg, Jaipur 302017, India
来源
BIORESOURCE TECHNOLOGY REPORTS | 2022年 / 18卷
关键词
Vertical flow constructed wetlands; Domestic wastewater; Phragmites australis; Organics removal; Nutrient removal; RADIAL OXYGEN LOSS; NITROUS-OXIDE EMISSION; NUTRIENT REMOVAL; PHRAGMITES-AUSTRALIS; ORNAMENTAL PLANTS; LOW-COST; GROWTH; SYSTEMS; DESIGN; COMMUNITIES;
D O I
10.1016/j.biteb.2022.101038
中图分类号
Q81 [生物工程学(生物技术)]; Q93 [微生物学];
学科分类号
071005 ; 0836 ; 090102 ; 100705 ;
摘要
The selection of plants in constructed wetlands (CWs) is challenging due to limited understanding of their actual role in the organics and nutrient removal processes. This review is aimed to facilitate this process by analyzing the secondary data of 82 vertical flow constructed wetlands (VFCWs) involving seven plant species. Comparisons regarding system performance were made following appropriate data normalizations taking into account the differences in volumetric loadings instead of areal loadings. Possible relationships between macrophyte performance and their physiological characteristics and the associated microbial communities are also analyzed. The review suggests that the indirect role of macrophytes in CWs may far exceed their direct role in nutrient removal. This indirect effect is exerted through the influence of plant species on the rhizospheric microbial communities. Thus, this review underscores the requirement of more extensive studies on different plant species under controlled environments specifically for field-scale CWs.
引用
收藏
页数:12
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