The control test-study of biological purification tank on malodorous river water purification

  • Shang Gao*
  • , Min Sheng Huang
  • , Lin Lin Wu
  • , Xing Chun Dai
  • , Yu Ying Ruan
  • *Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

10 Scopus citations

Abstract

The biological purification tank combined of artificial wetland technique and the bio-contact oxidation method was applied for malodorous river water in central urban region of Shanghai City. The average removal rates of Pontederia cordata L filling filtering tank on system BOD5, CODCr, NH3-N and TP were 37.0%, 34.8%, 34.7%, 26.7% respectively, the removal rates were higher than the filling purification tank. The devoted rates of Pontederia cordata L assimilate utilization on N, P were 8.92% and 25.24% respectively, and formed good mutually beneficial and intergrowth relations. Through the analysis of biofilm, the ecosystem of water body has been remediated rapidly during the experiment.

Original languageEnglish
Pages (from-to)433-437
Number of pages5
JournalZhongguo Huanjing Kexue/China Environmental Science
Volume28
Issue number5
StatePublished - May 2008

Keywords

  • Artificial wetland technique
  • Bio-contact oxidation method
  • Biological purification tank
  • Filling
  • Malodorous black water
  • Pontederia cordata L

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