Potential of bioethanol production from olive mill solid wastes

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논문

Potential of bioethanol production from olive mill solid wastes

학술지

Bioresource technology : biomass, bioenergy, biowastes, conversion technologies, biotransformations, production technologies

저자명

Abu Tayeh, H.; Najami, N.; Dosoretz, C.; Tafesh, A.; Azaizeh, H.

초록

The main objective of this study was to screen endogenous microorganisms grown on olive mill solid wastes (OMSW) with the potential to ferment pentoses and produce ethanol. Two yeasts were isolated and identified as Issatchenkia orientalis, and Pichia galeiformis/manshurica. The adaptation of the strains displayed a positive impact on the fermentation process. In terms of xylose utilization and ethanol production, all strains were able to utilize xylose and produce xylitol but no ethanol was detected. Separate hydrolysis and fermentation process on hydrolysate undergo detoxification, strain I. orientalis showed the best efficiency in producing of ethanol when supplemented with glucose. Using simultaneous saccharification and fermentation process following pretreatment of OMSW, the average ethanol yield was 3g/100g dry OMSW. Bioethanol production from OMSW is not economic despite the raw material is cheap.

발행연도

2014

발행기관

Elsevier Applied Science

ISSN

0960-8524

권

152

페이지

pp.24-30

DOI

10.1016/j.biortech.2013.10.102