Microbiology and Biotechnology Letters (한국미생물·생명공학회지)

The Korean Society for Microbiology and Biotechnology (한국미생물·생명공학회)
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The Treatment of Swine Wastes and the Production of High Protein Feedstocks from Photoheterotrophic Growth of Spirulina platensis

Spirulina platensis를 이용한 축산 폐수처리 및 고단백 사료원의 생산

  • 성기흔 (강원대학교 사료생산공학과) ;
  • 이정호 (강원대학교 사료생산공학과) ;
  • 박영식 (강원대학교 식품공학과) ;
  • 김현규 (강원대학교 식품공학과) ;
  • 유호금 (강원대학교 식품공학과) ;
  • 오상집 (강원대학교 사료생산공학과) ;
  • 이현용 (강원대학교 식품공학과)
  • Published : 1994.04.01
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Abstract

Microalga, Spirulina platensis has been cultivated in a pilot scale photo-bioreactor to treat wastewater and to produce high protein feedstocks from swine waste containing medium. 0.31(1/day) of specific growth rate and 0.170 of bioenergeric yield were obtanined from batch cultivation in 30% waster containing medium, compared to 0.71(1/day) and 0.545 from clean culture. An optimal dilution concentration was decided as 20% of working volume, based upon the cell growth and biomass productivity. The removal rate of nitrates in the wastewater was decreased as the adding concentration of wastewater was increased while the decrease of total phosphates was reversed, showing 0.33(1/day) and 0.30(1/day) of rate constants for nitrate removal in 10% addition and for phosphate removal in 30% addition, respectively. The chemical composition and amino acid profile of the biomass were superior to those of commerically available health food product, Spirulina sp.

Keywords

References

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