Effect of functionalized MCM41 nanoparticles on syngas fermentation

被引：30
|
作者：
Zhu, Haiyang [1 ,2 ]
Shanks, Brent H. [1 ]
Choi, Dong W. [3 ]
Heindel, Theodore J. [2 ]
机构：
[1] Iowa State Univ, Dept Chem & Biol Engn, Ames, IA 50011 USA
[2] Iowa State Univ, Dept Mech Engn, Ames, IA 50011 USA
[3] Iowa State Univ, Ctr Sustainable Environm Technol, Ames, IA 50011 USA
来源：
BIOMASS & BIOENERGY | 2010年 / 34卷 / 11期
关键词：
Dissolved carbon monoxide; Fermentation; Mass transfer; Nanoparticle; Synthesis gas; Water-gas shift reaction; GASEOUS SUBSTRATE FERMENTATIONS; CARBON-MONOXIDE CONVERSION; WATER MASS-TRANSFER; RHODOSPIRILLUM-RUBRUM; SYNTHESIS GAS; CO; CULTURE; ACETATE; GROWTH;
D O I：
10.1016/j.biombioe.2010.06.008
中图分类号：
S2 [农业工程];
学科分类号：
0828 ;
摘要：
MCM41 nanoparticles with or without mercaptopropyl functional groups were added to a synthesis gas fermentation reactor to investigate their influence on syngas fermentation. Carbon monoxide was fermented using Rhodospirillum rubrum (R. rubrum), resulting in an enhanced H(2) concentration in the product gas as a result of a biologically mediated water-gas shift (WGS) reaction. The results indicated that the H2 yield was enhanced by similar to 200% when 0.6 wt% of the MCM41 nanoparticles functionalized with 5% molar ratio of mercaptopropyl group were added to the reactor. These results complement previous studies and suggest that the increased H(2) yield is due to enhanced CO-water mass transfer through the addition of the functionalized MCM41 nanoparticles. (c) 2010 Elsevier Ltd. All rights reserved.
引用
收藏
页码：1624 / 1627
页数：4
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