KSBB Journal

The Korean Society for Biotechnology and Bioengineering (한국생물공학회)
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Characteristics of Organic Acid Degradation by Yeast

고농도 유기산폐수의 효모에 의한 분해연구

  • 김석원 (인하대 화공·고분자·생물공학부) ;
  • 허병기 (인하대 화공·고분자·생물공학부) ;
  • 김은기 (인하대 화공·고분자·생물공학부)
  • Published : 1999.04.01
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Abstract

Characteristics of organic acid degradation by isolated yeast strain was investigated. Optimum initial pH was 5. Increase in cell mass was proportional to the decrease in organic acid degradation. Also no accumulation of byproduct was observed during degradation. Acetic acid degraded fast, followed by butyric acid and propionic acid in order. No significant substrate inhibition was observed up to 12 g/L of acetic acid 7 g/L of propionic acid, respectively. However, inhibition of butyric acid was significant above 4 g/L. Cell mass yield was 0.2-0.4 g cell/g acids and decreased at high decreased at high organic acid concentration. 95% of organic acid (7.5 g/L), corresponding to 13,000 ppm, was degraded in 30-40 hours.

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References

  1. Research J. W.P.C.F. v.63 Phase separation of anaerobic stabilization by kinetic control Massey, M. L.;F. G. Pohlard
  2. Wat. Res. v.28 Volatile fatty acid production in thermophilic aerobic digestion of sludge Chu, A.;Mavine, D.S.;Kelly H.G.;W.D., Ramey
  3. Process Biochemistry v.26 Production of a Schizosaccharomyces sp. HL biomass from supermatant of anaerobically fermented pig waste Hong, S. S.;N. H. Lee;N. Y. Park
  4. Enz. Microbiol. Tech. v.18 no.3 A continuous alcohol oxidase bioreactor for regenerative life-support Schusse, L.J.;J.E., Atwater
  5. Aust. vet. J. v.51 Candida ingens as a potential fodder protein Henry, D.P.
  6. Nature v.274 Efficiency of protein production from yeast grown in liquor derived from anaerobically fermented tropical pasture Henry, D. P.;Green Field;P. F., Ouano;E. A. Thomson;R. H., G., Fleming
  7. Appl. Env. Microbiol. v.37 Growth of Candida ingens on supernatant from anaerobically fermented pig waste: effects of temperature and pH. Henry, D. P.;R., H., Thomson
  8. Eur. J. Appl. Microbiol. Biotechnol. v.18 The pellicle-growth of Candida ingens; an organism for the treatment of anaerobically fermented animal waste and the production of protein Henry, D. P.;Greenfield, P. F. R.;H., Thomson
  9. Water. Sci. Tech. v.27 no.1 A new process to treat strong biological waste Henry, D.P.;R.H. Thomson
  10. Anim. Feed. Science. Technol v.49 no.3 Effect of a Yeast culture (Saccharomyces-Cerevisiae) on neutral detergent fiber digestion in steeres fed oat straw based diets Plata, F.;Mendoza, G. D.;Barcenagama, G. R.;S. Gonzalez