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Comparative evaluation of total phosphorus removal performances for treatment of domestic and secondary wastewater using integrated vertical-flow constructed wetlands: two years' experience
Chang, Jun-jun1,2; Wu, Su-qing2,3; Zhang, Shi-yang4,5; Zhang, Sheng-hua1; Liang, Wei2
2015-10-30
Source PublicationDESALINATION AND WATER TREATMENT
ISSN1944-3994
Volume56Issue:5Pages:1379-1388
AbstractFour small-scale gravel-based integrated vertical-flow constructed wetlands (IVCWs) were established to treat domestic and secondary wastewater (SW) in parallel under two loading rates (LRs) for an operational period of about two years and the total phosphorus (TP) removal performances were investigated and compared. Highly effective TP elimination sustained for about 10d, with remarkable declines followed to relatively stable efficiencies for both types of wastewater. Significant difference of TP removal performance for the two types of wastewater was observed. In period 1, under high LR, the IVCWs performed better when treating domestic wastewater (DW), achieving average removal efficiency and rate of 51.6% and 0.389gm(-2)d(-1), respectively, compared to those of 30.1% and 0.233gm(-2)d(-1) for SW. However, in the operational period 2 fed with a low LR, better TP removal performance was achieved for SW, with reduction efficiency and rate of 41.5% and 0.057gm(-2)d(-1) on average, while the corresponding value for the treatment of DW was just 12.5% and 0.023gm(-2)d(-1). Significant correlations between TP removal efficiency and plant growth detected during this period and better developed vegetation in systems fed with SW might suggest the considerable role of plant growth, which could be influenced by inlet properties, on P retention and lifespan extending of constructed wetland. Gravel-based IVCW could be employed to remove low load of phosphorus and wastewater properties, and plant growth cycle should be taken intoconsideration in future IVCW design and application.
SubtypeArticle
KeywordPhosphorus Removal Integrated Vertical-flow Constructed Wetlands (Ivcws) Domestic Wastewater (Dw) Secondary Wastewater (Sw) Plant Growth
DOI10.1080/19443994.2014.950343
WOS HeadingsScience & Technology ; Technology ; Physical Sciences
Indexed BySCI
Language英语
WOS Research AreaEngineering ; Water Resources
WOS SubjectEngineering, Chemical ; Water Resources
WOS KeywordHORIZONTAL SUBSURFACE FLOW ; NUTRIENT REMOVAL ; PILOT ; WASTEWATERS ; RETENTION ; NITROGEN ; MEDIA ; EFFICIENCIES ; VEGETATION ; SYSTEMS
WOS IDWOS:000362845800025
Citation statistics
Document Type期刊论文
Identifierhttp://ir.ihb.ac.cn/handle/342005/27276
Collection水环境工程研究中心
Affiliation1.Yunnan Univ, Res Inst Engn & Technol, Kunming 650091, Peoples R China
2.Chinese Acad Sci, Inst Hydrobiol, State Key Lab Freshwater Ecol & Biotechnol, Wuhan 430072, Peoples R China
3.Jiangxi Acad Environm Sci, Nanchang 330029, Peoples R China
4.Chinese Acad Fishery Sci, Yangtze River Fisheries Res Inst, Minist Agr China, Key Lab Freshwater Biodivers Conservat, Wuhan 430223, Peoples R China
5.Chinese Acad Fishery Sci, Freshwater Fisheries Res Ctr, Wuxi 214081, Peoples R China
Recommended Citation
GB/T 7714
Chang, Jun-jun,Wu, Su-qing,Zhang, Shi-yang,et al. Comparative evaluation of total phosphorus removal performances for treatment of domestic and secondary wastewater using integrated vertical-flow constructed wetlands: two years' experience[J]. DESALINATION AND WATER TREATMENT,2015,56(5):1379-1388.
APA Chang, Jun-jun,Wu, Su-qing,Zhang, Shi-yang,Zhang, Sheng-hua,&Liang, Wei.(2015).Comparative evaluation of total phosphorus removal performances for treatment of domestic and secondary wastewater using integrated vertical-flow constructed wetlands: two years' experience.DESALINATION AND WATER TREATMENT,56(5),1379-1388.
MLA Chang, Jun-jun,et al."Comparative evaluation of total phosphorus removal performances for treatment of domestic and secondary wastewater using integrated vertical-flow constructed wetlands: two years' experience".DESALINATION AND WATER TREATMENT 56.5(2015):1379-1388.
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