Ruthenium-Catalyzed Transformation of Ethylene Glycol for Selective Hydrogen Gas Production in Water

被引：8
作者：
Kumar, Ankit [1 ]
Priya, Bhanu [1 ]
Singh, Sanjay Kumar [1 ]
机构：
[1] Indian Inst Technol Indore, Dept Chem, Catalysis Grp, Indore 453552, Madhya Pradesh, India
来源：
ACS SUSTAINABLE CHEMISTRY & ENGINEERING | 2023年 / 11卷 / 10期
关键词：
hydrogen; ethylene glycol; formic acid; ruthenium; heterogeneous catalyst; water; FORMIC-ACID; GLYCEROL; METHANOL; ECONOMY; NI; DEHYDROGENATION; BIOMASS; REACTOR; FUTURE; FUEL;
D O I：
10.1021/acssuschemeng.2c04521
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
We developed an efficient process for producing hydrogen gas from aqueous ethylene glycol (EG) at 90-160 degrees C over a ruthenium catalyst. We achieved a high yield of hydrogen gas (up to 3.0 n(H2)/n(EG)) and formic acid (85% yield) from ethylene glycol in aqueous alkaline medium at 110 degrees C, where the role of reaction temperature and base concentration was found to be critical in achieving a high yield of H2. The chemical and morphological properties of the synthesized ruthenium catalyst were established using P-XRD, TEM, XPS, and other techniques. Advantageously, the ruthenium catalyst exhibited appreciably high long-term stability for over 70 h, generating ca. 290 L of H2 per gram of Ru with a yield of 1035 L of H2 per L of ethylene glycol.
引用
收藏
页码：3999 / 4008
页数：10
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