A microwave-assisted liquefaction as a pretreatment for the bioethanol production by the simultaneous saccharification and fermentation of corn meal | Zendy

Svetlaikolić | Zendy; Ljiljana Mojović | Zendy; Marica Rakin | Zendy; Dušanka Pejin | Zendy; Dragiša Savić | Zendy

Open Access

A microwave-assisted liquefaction as a pretreatment for the bioethanol production by the simultaneous saccharification and fermentation of corn meal

Author(s) -

Svetlaikolić,

Ljiljana Mojović,

Marica Rakin,

Dušanka Pejin,

Dragiša Savić

Publication year - 2008

Publication title -

chemical industry and chemical engineering quarterly

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.189

H-Index - 26

eISSN - 2217-7434

pISSN - 1451-9372

DOI - 10.2298/ciceq0804231n

Subject(s) - liquefaction , fermentation , biofuel , ethanol fuel , chemistry , hydrolysis , food science , ethanol , pulp and paper industry , biomass (ecology) , yeast , ethanol fermentation , meal , microbiology and biotechnology , agronomy , biochemistry , biology , organic chemistry , engineering

A microwave-assisted liquefaction as a pretreatment for the bioethanol pro- duction by the simultaneous saccharification and fermentation (SSF) of corn meal using Saccharomyces cerevisiae var. ellipsoideus yeast in a batch sys- tem was studied. An optimal power of microwaves of 80 W and the 5-min du- ration of the microwave treatment were selected by following the concentration of glucose released from the corn meal suspensions at hidromodul of 1:3 (corn meal to water ratio) in the liquefaction step. The results indicated that the microwave pretreatment could increase the maximum ethanol concentration produced in the SSF process for 13.4 %. Consequently, a significant increase of the ethanol productivity on substrate (YP/S), as well as the volumetric ethanol productivity (P) in this process, could be achieved.

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