Volatile fatty acids production from marine macroalgae by anaerobic fermentation

被引：73

作者：

Thi Nhan Pham ^{[1
]}

Nam, Woo Joong ^{[1
]}

Jeon, Young Joong ^{[1
]}

Yoon, Hyon Hee ^{[1
]}

机构：

[1] Gachon Univ, Dept Chem & Bioengn, Songnam 461701, Gyeonggi Do, South Korea

来源：

BIORESOURCE TECHNOLOGY | 2012年 / 124卷

关键词：

Macroalgae; Volatile fatty acids; Anaerobic fermentation; Laminaria japonica; Pachymeniopsis elliptica; CONVERSION;

D O I：

10.1016/j.biortech.2012.08.081

中图分类号：

S2 [农业工程];

学科分类号：

0828 ;

摘要：

Volatile fatty acids (VFAs) were produced from the marine macroalgae, Laminaria japonica, Pachymeniopsis elliptica, and Enteromorpha crinite by anaerobic fermentation using a microbial community derived from a municipal wastewater treatment plant. Methanogen inhibitor (iodoform), pH control, substrate concentration, and alkaline and thermal pretreatments affected VFA productivity. Acetic, propionic, and butyric acids were the main products. A maximum VFA concentration of 15.2 g/L was obtained from 50 g/L of L. japonica in three days at 35 degrees C and pH 6.5-7.0. Pretreatment with 0.5 N NaOH improved VFA productivity by 56% compared to control. The result shows the applicability of marine macroalgae as biomass feedstock for the production of VFAs which can be converted to mixed alcohol fuels. (C) 2012 Elsevier Ltd. All rights reserved.

引用

页码：500 / 503

页数：4

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