Research of aeration with bio-film technology to treat urban landscape water

  • Ying Wei Song*
  • , Zhi Dan Nie
  • , Yue Gang Nian
  • , Min Sheng Huang
  • , Jian Jun Huang
  • , Hai Hong Yan
  • , Yang Zhang
  • *Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

1 Scopus citations

Abstract

Research of the aeration with bio-film technology was carried out to treat scenic water of a sanatorium in Beijing. The aim of the research was improving the water habitat by increasing the transparency and reducing the concentration of N and P. The equipments were set in a 5000 m water area, which combined the plug flow jet aerator with the elastic biological filler. The research indicated that the transparency increased from 25 cm to 120 cm by the technology. The removal efficiencies of NH4+-N, NO3--N and TP were 86.6%, 90% and 73.3%, but there was only 22.4% for TN. The concentration of DO increased from 4.3 mg/L to 7 mg/L. In a word, the aeration with bio-film technology was an effective measure to improve the water habitat by increasing the transparency.

Original languageEnglish
Pages (from-to)58-62
Number of pages5
JournalHuanjing Kexue/Environmental Science
Volume29
Issue number1
StatePublished - Jan 2008

Keywords

  • Aeration
  • Biofilm
  • Landscape water
  • United purifying

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