Production of bio-ethanol from soybean molasses by Saccharomyces cerevisiae at laboratory, pilot and industrial scales

被引：162

作者：

Siqueira, Paula F. ^{[1
]}

Karp, Susan G. ^{[1
]}

Carvalho, Julio C. ^{[1
]}

Sturm, Wilerson ^{[1
]}

Rodriguez-Leon, Jose A. ^{[1
]}

Tholozan, Jean-Luc ^{[2
,3
]}

Singhania, Reeta Rani ^{[4
]}

Pandey, Ashok ^{[4
]}

Soccol, Carlos R. ^{[1
]}

机构：

[1] Univ Fed Parana, Bioproc Engn & Biotechnol Div, BR-80060000 Curitiba, Parana, Brazil

[2] Univ Aix Marseille 1, IRD, Microbiol Lab, Marseille, France

[3] Univ Mediterranean, Marseille, France

[4] CSIR, Div Biotechnol, Natl Inst Interdisciplinary Sci & Technol, Trivandrum 695019, Kerala, India

来源：

BIORESOURCE TECHNOLOGY | 2008年 / 99卷 / 17期

关键词：

soybean molasses; bio-ethanol; pilot scale; industrial scale; Saccharomyces cerevisiae;

D O I：

10.1016/j.biortech.2008.03.037

中图分类号：

S2 [农业工程];

学科分类号：

0828 [农业工程];

摘要：

The aim of this work was to develop an economical bioprocess to produce the bio-ethanol from soybean molasses at laboratory, pilot and industrial scales. A strain of Saccharomyces cerevisiae (LPB-SC) was selected and fermentation conditions were defined at the laboratory scale, which included the medium with Soluble solids concentration of 30% (w/v), without pH adjustment or supplementation with the mineral sources. The kinetic parameters - ethanol productivity of 8.08 g/L h, Y(P/S) 45.4%, Y(X/S) 0.815%. m 0.27 h(-1) and mu(x) 0.0189 h(-1) - were determined in a bench scale bioreactor. Ethanol production yields after the scale-up were satisfactory, with small decreases from 169.8 L at the laboratory scale to 163.6 and 162.7 L of absolute ethanol per ton of dry molasses, obtained at pilot and industrial scales, respectively. (C) 2008 Elsevier Ltd. All rights reserved.

引用

页码：8156 / 8163

页数：8

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