Sorption Enhanced Steam Reforming of Glycerol: Use of La-Modified Ni/Al2O3 as Catalyst

被引：24

作者：

Sanchez, Nuria ^{[1
]}

Maria Encinar, J. ^{[1
]}

Felix Gonzalez, J. ^{[2
]}

机构：

[1] Univ Extremadura, Dept Chem Engn & Phys Chem, Ave Elvas S-N, Badajoz 06006, Spain

[2] Univ Extremadura, Dept Appl Phys, Ave Elvas S-N, Badajoz 06006, Spain

来源：

INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH | 2016年 / 55卷 / 13期

关键词：

CYCLIC CO2 CAPTURE; HYDROGEN-PRODUCTION; CAO; CALCINATION; CAPACITY; SORBENTS; METHANE; GAS; NI;

D O I：

10.1021/acs.iecr.5b04084

中图分类号：

TQ [化学工业];

学科分类号：

0817 ;

摘要：

Glycerol is being produced on a massive scale as a byproduct of biodiesel. In this work, glycerol steam reforming was improved by CO2 abatement to obtain high-value gases. CaO and activated dolomite were used as sorbents, and these results were compared to reactions using Al2O3 and MgO. The effect of packing material was evaluated at 600, 700, 800, and 850 degrees C. Hydrogen production was promoted either in the presence of a sorbent at 600 degrees C or at higher temperatures with any of the packing material. Sorbents also affected the water gas shift reaction, decreasing the CO concentration. Simultaneous use of Ni/La2O3/Al2O3 and CaO improved gas production and hydrogen selectivity. The H-2, percentage in the produced gas was close to 70% and around 5 mol of H-2, was produced per mole of glycerol. Catalyst and sorbent were used for several reaction cycles.

引用

页码：3736 / 3741

页数：6

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