KSBB Journal

  • 제16권1호
  • /
  • Pages.61-65
  • /
  • 2001
  • /
  • 1225-7117(pISSN)
  • /
  • 2288-8268(eISSN)
한국생물공학회 (The Korean Society for Biotechnology and Bioengineering)
권호 표지

호기성 미생물 컨소시엄에 의한 BTX의 분해

Degradation of BTX by Aerobic Microbial Consortium

  • 발행 : 2001.02.01
PDF 다운로드
⟨ 이전 논문 다음 논문 ⟩

초록

BTX를 배출하는 지역에서 얻어진 슬러지를 적절한 배지에 3개월 간 적응시킨 결과, benzene과 toluene을 빠르게 분해하는 MY컨소시엄와 p-, m-, o-xylene을 빠르게 분해하는 MA컨소시엄을 획득하였다. 균주의 동정결과 MA 및 MA컨소시엄의 주된 균주는 Rhodococcus ruber DSM 43338T과 Rhodococcus sp.로 밝혀졌다. BTX 단일성분의 분해속도 측정결과 benzene > toluene > o-xylene > p-xylene > m-xylene의 순으로 분해가 일어났다. MY 및 MY컨소시엄으 동시배양을 이용한 2-5종의 복합 BTX의 분해실험결과 대부분의 경우 108시간내에 완전히 분해되었으며, 각 혼합물의 조성에 따라 촉진 및 방해작용을 나타내었다. 분 연구에서 획득한 2종의 미생물컨소시엄은 BTX의 생물학적 처리에 매우 유용하게 사용될 수 있을 것으로 사료된다.

In this study, a BTX degrading microbial consortium was obtained from the activated sludges of a BTX releasing sewage water and city sewage water treatment plant. The MY microbial consortium was developed for benzene and toluene degradation, whereas the MA microbial consortium was developed for xylene isomers. The major microorganism of the MA consortium was identified as Rhodococcus ruber DSM 43338T, whereas that of the MY consortium was Rhodococcus sp. In terms of the degradation of a single component, the removal rate of benzene was fastest and decreased in order; toluene, o-xylene, p-xylene and m-xylene. For degradation of mixed BTX, most BTX were degraded within 108 hours and the degradation rate showed either stimulatory or inhibitory effects depending on the composition. MA and MY microbial consortium obtained in this study may be used effectively to remove BTX biologically.

키워드

참고문헌

  1. Biotechnol. Bioeng. v.44 Interactions between Benzene, Toluene and p-Xylene (BTX) During Their Biodegradation Oh, Y.-S.;Z. Shareefdeen;B. C. Baltzis;R. Bartha
  2. Serial No. 95-12 US Environmental Protection Agency
  3. Biofiltration for Air Pollution Control Devinny, J. S.;M. A. Deshesses;T. S. Webster
  4. Biochem. v.7 Oxidative Degradation of Aromatic Hydrocarbons by Microorganisms.Ⅰ. Enzymatic Formation of Catechol from Benzene Gibson, D. T.;J. R. Koch;R. E. Kallio
  5. Adv. Appl. Microbiol. v.22 The Microbiology of Aquatic Oil Spills Bartha, R.;R. M. Atlas
  6. Ph.D Dissertation, Department of Chemical Engineering,Seoul National University Biodegradation of BTX in a Hybrid Bioreactor Yeom, S. H.
  7. Biotechnol. Bioeng. v.62 Temperature Effects and Substrate Interactions During the Aerobic Biotransformation of BTEX Mixtures by Toluene-Enriched Consortia and Rhodococcus rhodochrous Deeb, R. A.;L. Alvarez-Cohen
  8. Appl. Environ. Microbiol. v.53 Transformation of Toluene and Benzene by Mixed Methanogenic Cultures Grbic-Gallic, D.;T. M. Vogel
  9. Appl. Microbiol. Biotechnol. v.43 Enhanced Anaerobic Degradation of Benzene by Enrichment of Mixed Microbial Culture and Optimization of the Culture Medium Chaudhuri, B. K.;U. Wiesmann
  10. Advances in Microbial Physiology v.31 The TOL Plasmid: Determinants of the Catabolism of Toluene and the Xylenes Assinder, S. J.;P. A. Williams;A. H. Rose(ed.);D. W. Tempest(ed.)
  11. Biotechnol. Bioeng. v.45 Amplification of Toluene Dioxygenase Genes in a Hybrid Pseudomonas Strain to Enhance the Biodegradation of Benzene, Toluene, and p-Xylene Mixture Lee, J.-Y;K.-H. Jung;H. S. Kim
  12. J. Korean Soc. Environ. Eng. v.22 Substrate Interactions on Biodegradation of Benzene, Toluene, Ethylbenzene and Xylene Isomers (BTEX) by Indigenous Soil Microorganisms La, H.-J.;S.-W. Chang;S.-J. Lee
  13. J. Korean Soc. Environ. Eng. v.18 Removal of BTX by Immobilized Microorganisms on Granular Activated Carbon in Fixed-film Column Reactor Oh, K.-H;J.-C. Kim
  14. J. Phys. Chem. Ref. v.10 Critical Review of Henry's Constants for Chemicals of Environmental Interest Mckay, D.;E. Y. Shiu
  15. J. Microbiol. Biotechnol. v.8 Cometabolic Removal of Xylene Isomers by Alcaligenes xylosoxidans Yeom, S.-H.;J.-H. Lee;Y. J. Yoo
  16. Korean J. Biotechnol. Bioeng. v.13 Degradation of BTEX and Trichloroethylene by Pseudomonas putida F1 and Burkholderia cepacia G4 Lee, S.;J. Lee;D. Jahng
  17. Biotechnol. Bioeng. v.41 Kinetics of Competitive Inhibition and Cometabolism in the Biodegradation of Benzene, Toluene, and p-Zylene by Two Pseudomonas Isolates Chang, M.-K.;T. C. Voice;C. S. Criddle