Liquid-phase hydrogenation of 2,2,4,4-tetramethyl-1,3-cyclobutanedione over supported Ru based catalysts

被引：6
|
作者：
Si, Yuxi [1 ,2 ]
Yang, Lei [3 ]
Wang, Chengxiang [3 ]
Cheng, Youwei [1 ,2 ]
Yao, Siyu [1 ]
Wang, Lijun [1 ,2 ]
Li, Xi [3 ]
机构：
[1] Zhejiang Univ, Coll Chem & Biol Engn, Key Lab Biomass Chem Engn Minist Educ, Hangzhou 310027, Peoples R China
[2] Inst Zhejiang Univ Quzhou, 78 Jiuhua Blvd North, Quzhou 324000, Peoples R China
[3] Hengyi Petrochem Co Ltd, Hangzhou 310027, Peoples R China
来源：
CATALYSIS COMMUNICATIONS | 2022年 / 166卷
关键词：
Hydrogenation; Supported Ru based catalysts; Activated carbon; ACTIVATED CARBON; NITRIC-ACID; ENANTIOSELECTIVE HYDROGENATION; SELECTIVE HYDROGENATION; SUCCINIC ACID; SURFACE; PHENYLACETYLENE; BIOSYNTHESIS; ADSORPTION; METAL;
D O I：
10.1016/j.catcom.2022.106453
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
A series of supported Ru based catalysts (support = AC, Al2O3, SiO2, HZSM-5) were prepared with different methods and applied in the hydrogenation of 2,2,4,4-tetramethyl-1,3-cyclobutanedione (CBDK) to 2,2,4,4-tetramethyl-1,3-cyclobutanediol (CBDO). Detailed catalyst characterizations of XRD, TEM, BET, ICP, XPS and NH3TPD methods were applied to investigate the support effect and influence of preparation methods. Complete conversion of the substrate was achieved with the selectivity of CBDO up to 99.1% over Ru/AC catalysts. The superiority of Ru/AC catalyst prepared with chemical precipitation method over other counterparts were attributed to the larger specific surface area, smaller metal particle size and better Ru dispersion, which was more favorable for the hydrogenation of CBDK.
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页数：5
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