Novel strategy using an adsorbent-column chromatography for effective ethanol production from sugarcane or sugar beet molasses

被引：31

作者：

Hatano, Ken-ichi ^{[1
]}

Kikuchi, Satoshi ^{[1
]}

Nakamura, Yohei ^{[1
]}

Sakamoto, Hironobu ^{[1
]}

Takigami, Machiko ^{[2
]}

Kojima, Yasuyoshi ^{[3
]}

机构：

[1] Gunma Univ, Grad Sch Engn, Dept Chem & Biol Chem, Gunma 3768515, Japan

[2] Gunma Ind Support Org, Gunma 3710854, Japan

[3] Fuji Nihon Seito Corp, Dept Raw Sugar, Chuo Ku, Tokyo 1030025, Japan

来源：

BIORESOURCE TECHNOLOGY | 2009年 / 100卷 / 20期

基金：

日本科学技术振兴机构;

关键词：

Adsorbent-column chromatography; Decolorization; Ethanolic fermentation; Molasses; Sugarcane; WASTE-WATER; PROTEINASE-INHIBITORS; DRIED FIGS; DECOLORIZATION; MELANOIDINS;

D O I：

10.1016/j.biortech.2009.04.063

中图分类号：

S2 [农业工程];

学科分类号：

0828 ;

摘要：

Molasses-based distilleries generate large volumes of a highly polluted and dark brown-colored wastewater. The present work describes the way in which an adsorbent-column chromatography can effectively remove the colorant and produce biomass ethanol from sugarcane or sugar beet molasses. It was found that the color and chemical oxygen demand of the resulting wastewater was respectively reduced by approximately 87% and 28% as compared with conventional molasses fermentation. Gas chromatography showed that the decolorized molasses maintained good ethanol productivity almost equal to that of the original molasses. Furthermore, it was revealed that the colorant concentrations of about 5 mg ml(-1) in the medium were the most favorable for ethanolic fermentation. In summary, we have concluded that this method is the most effective when the adsorbent chromatography is performed just before molasses fermentation and that the decolorized molasses is an ideal substrate for fuel ethanol production. (C) 2009 Elsevier Ltd. All rights reserved.

引用

页码：4697 / 4703

页数：7

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