Syngas production from ethanol dry reforming over Rh/CeO2 catalyst

被引：27

作者：

Zhao, Shulin ^{[1
]}

Cai, Weijie ^{[1
]}

Li, Yi ^{[2
]}

Yu, Hao ^{[3
]}

Zhang, Shaoyin ^{[1
]}

Cui, Li ^{[1
]}

机构：

[1] Dalian Polytech Univ, Fac Light Ind & Chem Engn, Dalian 116023, Peoples R China

[2] Jilin Univ, Coll Chem, State Key Lab Inorgan Synth & Preparat Chem, Changchun 130012, Jilin, Peoples R China

[3] Shandong Univ Sci & Technol, Coll Chem & Environm Engn, Qingdao 266590, Peoples R China

来源：

JOURNAL OF SAUDI CHEMICAL SOCIETY | 2018年 / 22卷 / 01期

关键词：

Rh/CeO2; Dry reforming; Syngas; Ethanol; PARTIAL OXIDATION; CO2; METHANE; HYDROGEN; RH; PERFORMANCE; SIZE;

D O I：

10.1016/j.jscs.2017.07.003

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Carbon dioxide reforming of ethanol over Rh/CeO2 catalyst was deeply investigated at different reaction temperatures of 450-700 degrees C and reactant ratios (CO2/ethanol from 1 to 3) under atmospheric pressure. The obtained results indicated that Rh/CeO2 catalyst presented a promising activity and stability for syngas production from renewable bio-ethanol instead of conventional methane. Typically, CO2-rich conditions (CO2/ethanol = 3) were favorable for reaction process and dynamic coke cleaning, which led to remarkably stable performance over 65 h on stream. The strong redox capacity of CeO2 support might also accelerate CO2 activation and prevent the carbon accumulation over the catalyst surface. Additionally, tunable H-2/CO ratios were available by changing the CO2/ethanol ratios. The results from characterization of samples before and after catalytic tests allowed to establish the relationship between textural properties and catalytic performance. (C) 2017 King Saud University. Production and hosting by Elsevier B.V.

引用

页码：58 / 65

页数：8

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