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Quest for sustainable bio-production and recovery of butanol as a promising solution to fossil fuel.

Maiti, Sampa; Gallastegui, Gorka; Brar, Satinder Kaur; Le Bihan, Yann Vai; Buelna, Gerardo; Drogui, Patrick; Verma, Mausam (2016). Quest for sustainable bio-production and recovery of butanol as a promising solution to fossil fuel. International Journal of Energy Research , vol. 40 , nº 4. p. 411-438. DOI: 10.1002/er.3458.

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Résumé

Biobutanol has conventionally been generated by fermentation of carbohydrates derived from biomass (starch or sugar-based feedstock, such as corn) using Clostridia strains (mainly C. beijerinckii and C. acetobutylicum) under anaerobic conditions in batch mode. Under these premises, it has been tough for the acetone-butanol-ethanol fermentation to compete with petro-butanol production from an energy efficiency and material consumption standpoint. Challenges for butanol production from biomass comprised high cost of feedstock, scarcity of hyper-butanol producing bacteria and low butanol yield, volumetric productivity and titre, leading to high water usage and separation-purification costs. This article is an up-to-date review on several under explored sections, such as optimization of fermenter feed, microbial culture responsible for solvent production (co-culture techniques and electro-biochemical process), latest recovery techniques and the studies integrating in situ continuous fermentation processes. Biobutanol refinery way forward should build upon the use of low-cost lignocellulosic matter and zero cost organic wastes and by-products from food, agriculture, forestry, fermentation and paper industries as feedstock; optimized fermentation of such diversified feed with appropriate hyper-butanol producing strains in biofilm reactors and integration of fermentation step with hybrid high butanol-selective recovery techniques.

Type de document:
Mots-clés libres: ABE fermentation; biobutanol; co-cultures; electro-chemical production; feedstock; fermentation-separation hybrid technology; separation techniques
Centre: Centre Eau Terre Environnement
Date de dépôt: 20 déc. 2016 16:14
Dernière modification: 22 déc. 2016 20:00
URI: http://espace.inrs.ca/id/eprint/3991

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