Progress in the production of bioethanol on starch-based feedstocks
Authors
Mojović, Ljiljana
Pejin, Dušanka
Grujić, Olgica
Markov, Siniša
Pejin, Jelena
Rakin, Marica
Vukašinović-Sekulić, Maja

Nikolić, Svetlana
Savić, Dragiša

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Bioethanol produced from renewable biomass, such as sugar, starch, or lignocellulosic materials, is one of the alternative energy resources, which is both renewable and environmentally friendly. Although, the priority in global future ethanol production is put on lignocellulosic processing, which is considered as one of the most promising second-generation biofuel technologies, the utilization of lignocellulosic material for fuel ethanol is still under improvement. Sugar-based (molasses, sugar cane, sugar beet) and starch-based (corn, wheat, triticale, potato, rice, etc.) feedstock are still currently predominant at the industrial level and they are, so far, economically favorable compared to lingocelluloses. Currently, approx. 80 % of total world ethanol production is obtained from the fermentation of simple sugars by yeast. In Serbia, one of the most suitable and available agricultural raw material for the industrial ethanol production are cereals such as corn, wheat and triticale. I...n addition, surpluses of this feedstock are being produced in our country constantly. In this paper, a brief review of the state of the art in bioethanol production and biomass availability is given, pointing out the progress possibilities on starch-based production. The progress possibilities are discussed in the domain of feedstock choice and pretreatment, optimization of fermentation, process integration and utilization of the process byproducts.
Keywords:
bioethanol / starch-based feedstock / fermentation / hydrolysis / pretreatment / byproductsSource:
Chemical Industry & Chemical Engineering Quarterly, 2009, 15, 4, 211-226Publisher:
- Association of the Chemical Engineers of Serbia
Funding / projects:
DOI: 10.2298/CICEQ0904211M
ISSN: 1451-9372