Nitrate-removal activity of a biofilm attached to a perlite carrier under continuous aeration conditions

Takahiro Yamashita, Hiroshi Yokoyama, Sumiyo Kanafusa, Akifumi Ogino, Mitsuyoshi Ishida, Takashi Osada, Yasuo Tanaka

Research output: Contribution to journalArticle

4 Citations (Scopus)

Abstract

The nitrate-removal activity of a biofilm attached to a perlite carrier from an aerobic bioreactor used for treating dairy farm wastewater was examined by batch experiments under continuous aeration conditions. Despite aeration, the biofilm removed nitrate at a rate of 114.4 mg-N/kg-perlite/h from wastewater containing cow milk and manure. In a clone library analysis of the biofilm, bacteria showing high similarity to the denitrifying bacteria Thauera spp. were detected.

Original languageEnglish
Pages (from-to)578-581
Number of pages4
JournalBioscience, Biotechnology and Biochemistry
Volume75
Issue number3
DOIs
Publication statusPublished - Apr 13 2011
Externally publishedYes

Fingerprint

Biofilms
Nitrates
Waste Water
Thauera
Bacteria
Wastewater
Manure
Dairies
Manures
Bioreactors
Farms
Milk
Clone Cells
Perlite
Experiments

All Science Journal Classification (ASJC) codes

  • Biotechnology
  • Analytical Chemistry
  • Biochemistry
  • Applied Microbiology and Biotechnology
  • Molecular Biology
  • Organic Chemistry

Cite this

Nitrate-removal activity of a biofilm attached to a perlite carrier under continuous aeration conditions. / Yamashita, Takahiro; Yokoyama, Hiroshi; Kanafusa, Sumiyo; Ogino, Akifumi; Ishida, Mitsuyoshi; Osada, Takashi; Tanaka, Yasuo.

In: Bioscience, Biotechnology and Biochemistry, Vol. 75, No. 3, 13.04.2011, p. 578-581.

Research output: Contribution to journalArticle

Yamashita, Takahiro ; Yokoyama, Hiroshi ; Kanafusa, Sumiyo ; Ogino, Akifumi ; Ishida, Mitsuyoshi ; Osada, Takashi ; Tanaka, Yasuo. / Nitrate-removal activity of a biofilm attached to a perlite carrier under continuous aeration conditions. In: Bioscience, Biotechnology and Biochemistry. 2011 ; Vol. 75, No. 3. pp. 578-581.
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