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Shubiao Wu

Northern rural domestic sewage treatment by integrated household constructed wetlands

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  • Shubiao Wu
  • Renjie Dong, China Agricultural University
  • ,
  • Xu Zhai, The Northwest Station of Biogas Products and Equipment Quality Center of Ministry of Agriculture, Northwest A and F University
  • ,
  • Jing Hu, China Agricultural University
  • ,
  • Peng Wang, China Agricultural University
  • ,
  • Lin Liu, China Agricultural University
  • ,
  • Zhuqing Liu, China Agricultural University

A ten months continuous study (covering winter period) was conducted on an integrated household constructed wetland system for rural wastewater treatment. With a 0.5 m of biomass thermal insulation layer on the top of the system, the system temperature remained above 7°C while the lowest climate temperature of -15°C, guaranteeing the ordinary treatment efficiency. The removal rates of COD, BOD5, NH3-N, TP, TSS, and turbidity were 93.0%, 96.0%, 88.4%, 87.7%, 97.0% and 89.6%, respectively. The effluent concentrations were 36.0, 11.8, 3.5, 0.6, 3.8 mg/L and 9.1NTU, respectively. The perfect removal efficiency of integrated household constructed wetland proved its potential application in the rural areas for the distributed wastewater treatment and environment protection.

OriginalsprogEngelsk
TidsskriftNongye Gongcheng Xuebao/Transactions of the Chinese Society of Agricultural Engineering
Vol/bind25
Nummer11
Sider (fra-til)282-287
Antal sider6
ISSN1002-6819
DOI
StatusUdgivet - nov. 2009
Eksternt udgivetJa

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