期刊
INTERNATIONAL JOURNAL OF HYDROGEN ENERGY
卷 39, 期 24, 页码 12524-12531出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.ijhydene.2014.05.081
关键词
Renewable energy; Biohydrogen; Clostridium sp YM1; Dark fermentation
资金
- Universiti Kebangsaan Malaysia (National University of Malaysia) [13-00-09-001]
In view of increasing attempts for the production of renewable energy, the production of biohydrogen energy by a new mesophilic bacterium Clostridium sp. YM1 was performed for the first time in the dark fermentation. Experimental results showed that the fermentative hydrogen was successfully produced by Clostridium sp. YM1 with the highest cumulative hydrogen volume of 3821 ml/L with a hydrogen yield of 1.7 mol H-2/mol glucose consumed. Similar results revealed that optimum incubation temperature and pH value of culture medium were 37 degrees C and 6.5, respectively. The study of hydrogen production from glucose and xylose revealed that this strain was able to generate higher hydrogen from glucose compared to that from xylose. The profile of volatile fatty acids produced showed that hydrogen generation by Clostridium sp. YM1 was butyrate-type fermentation. Moreover, the findings of this study indicated that an increase in head space of fermentation culture positively enhanced hydrogen production. Copyright (C) 2014, Hydrogen Energy Publications, LLC. Published by Elsevier Ltd. All rights reserved.
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