Efficient conversion of D-glucose into D-sorbitol over MCM-41 supported Ru catalyst prepared by a formaldehyde reduction process

被引：55
|
作者：
Zhang, Jun [1 ]
Lin, Lu [1 ]
Zhang, Junhua [1 ]
Shi, Jianbin [1 ]
机构：
[1] S China Univ Technol, State Key Lab Pulp & Paper Engn, Guangzhou 510640, Guangdong, Peoples R China
来源：
CARBOHYDRATE RESEARCH | 2011年 / 346卷 / 11期
关键词：
Ru/MCM-41; Hydrogenation; D-Glucose; Mechanism; TRICKLE-BED REACTOR; RANEY-TYPE NI; RUTHENIUM CATALYSTS; SELECTIVE HYDROGENATION; NICKEL; PHASE;
D O I：
10.1016/j.carres.2011.04.037
中图分类号：
Q5 [生物化学]; Q7 [分子生物学];
学科分类号：
071010 ; 081704 ;
摘要：
Ru/MCM-41 catalyst prepared by an impregnation-formaldehyde reduction method showed higher catalytic activity and sorbitol selectivity than other catalysts in the hydrogenation of glucose. SEM and XRD indicated the partial surface properties of Ru/MCM-41. Moreover, Ru dispersion and Ru surface area of Ru/MCM-41 were determined by pulse chemisorption, and the result further proved that Ru/MCM-41 had higher catalytic activity. A catalyst recycling experiment demonstrated that Ru/MCM-41 was a better catalyst and it could be reused three or four times. A speculated mechanism was proposed to illustrate the detailed process of D-glucose hydrogenation to produce sorbitol. (C) 2011 Elsevier Ltd. All rights reserved.
引用
收藏
页码：1327 / 1332
页数：6
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