Efficient Production of Ethanol by Cells Immobilized in Loofa (Luffa cylindrica) Sponge
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概要
- 論文の詳細を見る
Both flocculating and non-flocculating cells were immobilized in loofa (Luffa cylindrica) sponge and used for continuous ethanol production in column-type bioreactors. Immobilization of non-flocculating cells (Candida brassicae) was achieved by addition of chitosan to the reactor. However, the amount of immobilized non-fluocculating cells per unit sponge was lower, and consequently the volumetric ethanol productivity was about 20% less than that of the flocculating cells. In comparison with a fixed bed made of a single cylindrical loofa sponge, the amount of aponge per unit reactor volume was 2 times higher when sliced loofa sponge was used to construct the fixed bed. Futhermore, the use of sliced loofa sponge resulted in 2- and 4-fold increases in the amount of immobilized flocculating and non-flocculating cells per unit sponge, respectively. Consequently, higher volumetric ethanol productivities were obtained when sliced loofa sponge was used for bed construction. In the case of flocculating (Saccharomyces cerevisiae IR-2) cells, the volumetric ethanol productivity was 66% higher than that obtained with a cylindricla loofa sponge.
- 社団法人日本生物工学会の論文
- 1997-09-25
著者
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Liu Yu-kuo
Department Of Chemistry And Biotechnology Graduate School Of Engineering The University Of Tokyo
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Liu Y‐k
Univ. Tokyo Tokyo Jpn
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Liu Y‐c
National Taipei Inst. Technol. Taipei Twn
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Ogbonna J
Univ. Tsukuba
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Ogbonna James
Institute Of Applied Biochemistry University Of Tsukuba
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Ogbonna J
Department Of Fermentation Technology Faculty Of Engineering Yamanashi University
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Tanaka Hideo
Institute Of Life Science And Bioengineering Graduate School Of Life And Environmental Science Unive
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LIU Ying-Chun
Department of Oral Surgery, Nagoya University School of Medicine
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TOMIYAMA SHOTA
Institute of Applied Biochemistry, University of Tsukuba
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Liu Ying-chun
Department Of Chemical Engineering National Taipei Institute Of Technology 1. Section 3 Chung-hsiao
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Tanaka H
Institute Of Applied Biochemistry University Of Tsukuba
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Tomiyama Shota
Institute Of Applied Biochemistry University Of Tsukuba
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Tanaka Hideo
Institute For Biological Resources And Functions National Institute Of Advanced Industrial Science A
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