Journal
CHEMICAL ENGINEERING & TECHNOLOGY
Volume 45, Issue 10, Pages 1811-1825Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/ceat.202200241
Keywords
Acetone; butanol and ethanol fermentation; Biobutanol; Biofuel; Fermentation; Pervaporation
Categories
Funding
- Coordenacao de Aperfeicoamento de Pessoal do Ensino Superior, CAPES
- Conselho Nacional de Desenvolvimento Cientifico e Tecnologico, CNPq
- Universidade Federal de Minas Gerais, UFMG
- Fapemig, Fundacao de Amparo a Pesquisa do Estado de Minas Gerais [APQ02332-21]
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Biobutanol is a potential biofuel and industrial chemical, but its commercial application is limited by technical and economic constraints. Efforts have been made to improve the ABE fermentation process by separating butanol from the fermentation broth. This overview discusses the main separation processes reported in the literature, with a focus on pervaporation, and highlights the latest developments in the field.
Biobutanol is known for its potential as a biofuel and for having various other industrial applications. However, technical and economic constraints still restrict its commercial application. Biobutanol is produced via acetone, butanol, and ethanol (ABE) fermentation, in which acetone and ethanol are also produced, mainly by Clostridium sp.; however, it is toxic to the cells. Efforts have been made to improve the process by separating butanol from the fermentation broth. This work presents an overview of the main processes reported in ABE separation in the literature, focusing on the pervaporation approach. Some of the latest developments in the field are stated, aiming at comparing the separation processes.
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