NDLI: Treatment performance and microorganism community structure of integrated vertical-flow constructed wetland plots for domestic wastewater

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Treatment performance and microorganism community structure of integrated vertical-flow constructed wetland plots for domestic wastewater

Content Provider	Semantic Scholar
Author	Wu, Su-Qing Chang, Jun-Jun Dai, Yanran Wu, Zhen-Bin Liang, Wei
Copyright Year	2012
Abstract	In order to investigate the treatment performance and microorganism mechanism of IVCW for domestic wastewater in central of China, two parallel pilot-scale IVCW systems were built to evaluate purification efficiencies, microbial community structure and enzyme activities. The results showed that mean removal efficiencies were 81.03 % for COD, 51.66 % for total nitrogen (TN), 42.50 % for NH4+-N, and 68.01 % for TP. Significant positive correlations between nitrate reductase activities and TN and NH4+-N removal efficiencies, along with a significant correlation between substrate enzyme activity and operation time, were observed. Redundancy analysis demonstrated gram-negative bacteria were mainly responsible for urease and phosphatase activities, and also played a major role in dehydrogenase and nitrate reductase activities. Meanwhile, anaerobic bacteria, gram-negative bacteria, and saturated FA groups, gram-positive bacteria exhibited good correlations with the removal of COD (p = 0.388), N (p = 0.236), and TP (p = 0.074), respectively. The IVCW system can be used to treat domestic wastewater effectively.
Starting Page	3789
Ending Page	3798
Page Count	10
File Format	PDF HTM / HTML
DOI	10.1007/s11356-012-1307-0
PubMed reference number	23179215
Journal	Medline
Volume Number	20
Alternate Webpage(s)	http://ir.ihb.ac.cn/bitstream/342005/19321/2/Treatment%20performance%20and%20microorganism%20community%20structure%20of%20integrated%20vertical-flow%20constructed%20wetland%20plots%20for%20domestic%20wastewater.pdf
Alternate Webpage(s)	https://doi.org/10.1007/s11356-012-1307-0
Journal	Environmental Science and Pollution Research
Language	English
Access Restriction	Open
Content Type	Text
Resource Type	Article

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