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Type: Artigo
Title: Acetone-free biobutanol production : past and recent advances in the Isopropanol-Butanol-Ethanol (IBE) fermentation
Author: dos Santos Vieira, Carla Ferreira
Maugeri Filho, Francisco
Maciel Filho, Rubens
Mariano, Adriano Pinto
Abstract: Production of butanol for fuel via the conventional Acetone-Butanol-Ethanol fermentation has been considered economically risky because of a potential oversupply of acetone. Alternatively, acetone is converted into isopropanol by specific solventogenic Clostridium species in the Isopropanol-Butanol-Ethanol (IBE) fermentation. This route, although less efficient, has been gaining attention because IBE mixtures are a potential fuel. The present work is dedicated to reviewing past and recent advances in microorganisms, feedstock, and fermentation equipment for IBE production. In our analysis we demonstrate the importance of novel engineered IBE-producing Clostridium strains and cell retention systems to decrease the staggering number of fermentation tanks required by IBE plants equipped with conventional technology. We also summarize the recent progress on recovery techniques integrated with fermentation, especially gas stripping. In addition, we assessed ongoing pilotplant efforts that have been enabling IBE production from woody feedstock
Subject: Engenharia metabólica
Country: Países Baixos
Editor: Elsevier
Rights: Fechado
Identifier DOI: 10.1016/j.biortech.2019.121425
Date Issue: 2019
Appears in Collections:FEA - Artigos e Outros Documentos
FEQ - Artigos e Outros Documentos

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