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Please use this identifier to cite or link to this item: http://ntour.ntou.edu.tw:8080/ir/handle/987654321/43406

Title: The use of a gas chromatography/milli-whistle technique for the on-line monitoring of ethanol production using microtube array membrane immobilized yeast cells
Authors: Wu MJ;Ye GF;Wang CH;Lin HV;Chen CC;Lin CH
Contributors: 國立臺灣海洋大學:食品科學系
Keywords: Gas chromatography;ethanol;whistle;yeast immobilization;yeast-MTAM
Date: 2017
Issue Date: 2017-07-27T07:46:46Z
Publisher: Analytical Sciences
Abstract: Abstract:Hollow, poly(L-lactic acid) microtube array membranes (MTAM) were used in preparing membranes that contained immobilized yeast cells. To evaluate the performance of the developed system for continuous and fed-batch fermentation, a gas chromatography/milli-whistle device was used to on-line monitor the production of ethanol. The milli-whistle was connected to the outlet of a GC capillary, and when the fermentation gases and the GC carrier gas passed through it, a sound with a fundamental frequency was produced. The online data obtained for frequency-change vs. retention time can be recorded after a fast Fourier transform. In typical bioethanol fermentation, the yeast cells cannot be recycled, whereas the artificial yeast-MTAMs can be. The hollow-MTAM containing immobilized yeast cells significantly enhanced to bioethanol productivity, and represent a novel, promising technology for bioethanol fermentation. Our data indicate that the gas chromatography/milli-whistle device, which is economical and stable, is a very useful detector for long-term monitoring.
Relation: 33(5), pp.625-630
URI: http://ntour.ntou.edu.tw:8080/ir/handle/987654321/43406
Appears in Collections:[食品科學系] 期刊論文

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