Kinetic Analysis of Microbial Desulfurization of Model and Light Gas Oils Containing Multiple Alkyl Dibenzothiophenes
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概要
- 論文の詳細を見る
The reaction mechanism of biodesulfurization was investigated using whole cells of Rhodococcus erythropolis KA2-5-1,which have the ability to convert dibenzothiophene (DBT) into 2-hydroxybiphenyl. The desulfurization patterns of alkyl DBTs were represented by the Michaeis-Menten equation. The values of rate constants, the limiting maximal velocity (V_<max>) and Michaelis constant (K_m), for desulfurization of alkyl DBTs were calculated. The relative desulfurization activities of various alkyl DBTs were reduced in proportion to the total carbon numbers of alkyl substituent groups. Alkyl DBTs that had a total of six carbons of alkyl substituent groups were not desulfurized. The type or position of alkyl substituent groups had little effect on desulfurization activity. The desulfurization activity of each alkyl DBT, when mixed together, was reduced. This phenomenon was caused by apparent competitive inhibition of substrates. Using the apparent competitive inhibition model, the desulfurization pattern of a multiple components system containing alkyl DBTs was elucidated. This model was also applicable for biodesulfurization of light gas oil.
- 社団法人日本農芸化学会の論文
- 2001-02-23
著者
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Kobayashi Miki
Biochemicals Laboratory Mitsubishi Chemical Corporation
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Izumi Yoshikazu
Dep. Of Biotechnology Tottori Univ.
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Ishii Yoshitaka
Department of Applied Chemistry, School of Science and Engineering, Waseda University
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YOSHIKAWA OSAMU
Bio-Refining Process Laboratory, Japan Cooperation Center, Petroleum
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ISHII YOSHITAKA
Bio-Refining Process Laboratory, Japan Cooperation Center, Petroleum
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MARUHASHI KENJI
Bio-Refining Process Laboratory, Japan Cooperation Center, Petroleum
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Sugiyama H
Institute Of Materials Structure Science High Energy Accelerator Research Organization Kek
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Ishii Yoshitaka
Institute For Biomedical Engineering Consolidated Research Institute For Advanced Science And Medica
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Kobayashi M
Carbohydrate Science Laboratory National Food Research Institute Ministry Of Agriculture Forestry An
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KOBAYASHI Morio
Bio-Refining Process Laboratory, Advanced Technology and Research Institute, Petroleum Energy Center
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HORIUCHI Keizo
Bio-Refining Process Laboratory, Advanced Technology and Research Institute, Petroleum Energy Center
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HIRASAWA Kazuaki
Bio-Refining Process Laboratory, Advanced Technology and Research Institute, Petroleum Energy Center
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FUJINO Kazuhito
Bio-Refining Process Laboratory, Advanced Technology and Research Institute, Petroleum Energy Center
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SUGIYAMA Hiroshi
Bio-Refining Process Laboratory, Advanced Technology and Research Institute, Petroleum Energy Center
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Maruhashi Kenji
Bio-refining Process Laboratory Technical Cooperation Department Japan Cooperation Center
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Horiuchi K
Univ. Ryukyus Okinawa
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Horiuchi Keizo
Bio-refining Process Laboratory Advanced Technology And Research Institute Petroleum Energy Center
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Kobayashi Morio
Bio-refining Process Laboratory Advanced Technology And Research Institute Petroleum Energy Center
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Fujino Kazuhito
Bio-refining Process Laboratory Advanced Technology And Research Institute Petroleum Energy Center
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Ishii Yoshitaka
Bio-refining Process Laboratory Advanced Technology And Research Institute Petroleum Energy Center
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Yoshikawa O
Bio-refining Process Laboratory Japan Cooperation Center Petroleum:department Of Biotechnology Facul
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Yoshikawa Osamu
Bio-refining Process Laboratory Advanced Technology And Research Institute Petroleum Energy Center (
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Hirasawa Kazuaki
Bio-refining Process Laboratory Advanced Technology And Research Institute Petroleum Energy Center
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