KSBB Journal

The Korean Society for Biotechnology and Bioengineering (한국생물공학회)
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Influence of Surfactant on Biodesulfurization of Dibenzothiophene by Rhodococcus erythropolis IGTS8

계면활성제가 Rhodococcus erythropolis IGTS8에 의한 dibenzothiophene의 탈황에 미치는 영향

  • 김충식 (한국과학기술원 화학공학과) ;
  • 백기태 (한국과학기술원 화학공학과) ;
  • 신현재 (생명공학연구소 분자당생물학 R.U.) ;
  • 이현호 (한국과학기술원 화학공학과) ;
  • 양지원 (한국과학기술원 화학공학과)
  • Published : 1999.06.01
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Abstract

During the biodesulfurization of dibenzothiophene to 2-hydroxybiphenyl by Rhodococcus erythropolis IGTS8, a surfactant-like substance was secreted into the medium resulting in the decrease of the surface tension of the medium. Due to the substance, the optical density (at 600 nm) of the medium had no co-relation with dry cell weight during cultivation. The growth rate of IGTS8 increased by the addition of 1 % Tween 80, but it was inhibited over Tween 80 concentration of 2 % (v/v).

본 연구를 통하여 Rhodococcus erythropolis IGTS8은 배양증애 유기 황화합물인 dibenzothiophene을 2-hydroxybiphenyl로 탈황하며 이 과정에서 계면활성 물질을 분비함을 확인하였다. 생산된 계면활성제로 인하여 배지내의 탁도와 균체의 건조증량 사이에는 비례관계가 없음을 확인하였다. 인위적으로 Tween 80을 넣어준 결과 균체성장 속도, 즉 DBT 분해율은 증가되었으며 2%(v/v)이상의 Tween 80 농도에서는 오히려 저해 효과를 보았다.

Keywords

References

  1. Biotechnology and Bioengineering v.40 Biodesulfurization of Water-Soluble Coal-derived Material by Rhodococcus rhodochrous IGT s8 Kilbane Ⅱ, J. J.;K. Jackowski
  2. Fuel. v.72 Biochemical mechanisms for the desulfurization of coal-relevant organic sulfur compounds Afferden, M.;D. Tappe;D. Beyer;H.G. Trupper;J. Klein
  3. Fuel v.72 Modification of organosulfur compounds and watersoluble coal-dervied material by anaerobic microorganisms Stoner, D.L;K.S. Miller;J.K. Polman;R.B. Wright
  4. Fuel v.77 Biodesulphurization of Turkish lignites. 3. The effect of lignite type and particle size on microbial desulphurization by Rhodococcus rhodochrous Erincin, E. T.;Durusoy, T.O.;Bozdemir;Y. Yurum
  5. Applied Biochemistry and Biotechnology v.54 Coal Bioprocessing Research at the institute of Gas Technology Kilbane Ⅱ, J.J.
  6. Applied and Environmental Microbiology v.60 Selective Desulfurization of Dibenzothiophene by Rhodococcus erythropolis D-1 Izumi, Y.;T. Ohshiro;H. Ogino;Y. Hine;M. Shimao
  7. Fuel Processing Technology v.40 Prospects for biodesulfurization of coal: mechanisms and related process designs Olson, G.J.
  8. Fuel v.73 The chemical forms of sulfur in coal : a review Calikins, W.H.
  9. Fuel v.70 A critical review of biodesulfurization systems for removal of organic sulfur from coal ElSawy, A.;D. Gray
  10. US Patent no. 5,132,219 Rhococcus rhodochrous strain ATCC no. 53968, Bacillus sphaerieus strain no. 53969 and mixtures thereof for cleavage of organic C-S bonds of carbonaceous matgerial Kilbane Ⅱ, J.J.;Woodstock, Ⅲ
  11. Applied and Environmental Microbiology v.58 Desulfurization of Dibenzothiophene by Corynebacterium sp. Strain SY1 Omori, T.;L. Monna;Y. Saiki;T. Kodama
  12. Biosci. Biotech Biochem. v.59 Desulfurization of Alky1 and Aromatic Sulfides and Sul-fonates by Dibenzothiophene-degrading Rhodococcus sp. Strain SY1 Omori, T.;Y. Saiki;K. Kasuga;T. Kodama
  13. J. of Fermentation and Bioengineering v.81 Regulation of Dibenzothiophene Degrading Enzyme Activity of Rhodococcus erthropolis D-1 Ohshiro, T.;K. Suzuki;Y. Izumi
  14. Biotechnol. Prog. v.14 Desulfurization of Diesel Oils by a Newly Isolated Dibenzothiophene-Degrading Nocardia sp. Strain CYKS2 Chang, J.-H.;S.-K. Rhee;Y.-K. Chang;H.N. Chang
  15. Applied Biochemistry and Biotechnology v.73 Comparison of batch-stirred and electro-spray reactors for biodesulfurization of dibenzothiphene in crude oil and hydrocarbon feedstocks Kaufman, E.N.;J. B. Harkins;A.P. Borole
  16. Biotechnol. Bioprocess. Eng. v.3 Purification and Structural Characterization of Glycolipid Biosurfactants from Pseudomonas azruginos YPJ-80 Park, O.-J;Y.-E. Lee;J.-H. Cho;H.-J. Shin;B.-D. Yoon;J.-W. Yang