期刊
BIORESOURCE TECHNOLOGY
卷 215, 期 -, 页码 386-396出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.biortech.2016.03.094
关键词
CO-rich off gas; Syngas fermentation; Biorefinery; Genetic engineering; Carboxylate platform
资金
- Foundation des Fondateurs
- German Research Foundation (DFG) [MO2933/1-1]
- Yossie Hollander
Technological solutions to reduce greenhouse gas (GHG) emissions from anthropogenic sources are required. Heavy industrial processes, such as steel making, contribute considerably to GHG emissions. Fermentation of carbon monoxide (CO)-rich off gases with wild-type acetogenic bacteria can be used to produce ethanol, acetate, and 2,3-butanediol, thereby, reducing the carbon footprint of heavy industries. Here, the processes for the production of ethanol from CO-rich off gases are discussed and a perspective on further routes towards an integrated biorefinery at a steel mill is given. Recent achievements in genetic engineering as well as integration of other biotechnology platforms to increase the product portfolio are summarized. Already, yields have been increased and the portfolio of products broadened. To develop a commercially viable process, however, the extraction from dilute product streams is a critical step and alternatives to distillation are discussed. Finally, another critical step is waste(water) treatment with the possibility to recover resources. (C) 2016 Elsevier Ltd. All rights reserved.
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