Hydrogen and/or syngas from steam reforming of glycerol. Study of platinum catalysts

被引：130

作者：

Pompeo, Francisco ^{[1
,2
]}

Santori, Gerardo ^{[1
,2
]}

Nichio, Nora N. ^{[1
,2
]}

机构：

[1] Natl Univ La Plata, CONICET, Fac Ciencias Exactas, CINDECA, RA-1900 La Plata, Argentina

[2] Univ Nacl La Plata, Fac Ingn, RA-1900 La Plata, Argentina

来源：

INTERNATIONAL JOURNAL OF HYDROGEN ENERGY | 2010年 / 35卷 / 17期

关键词：

Hydrogen; Glycerol; Reforming; Platinum; SUPERCRITICAL WATER; PARTICLE-SIZE; BIOMASS; CONVERSION; ETHANOL; SUPPORT; FUELS;

D O I：

10.1016/j.ijhydene.2010.06.011

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：

In the present work, Pt catalysts prepared on different supports were evaluated in order to apply them in the steam reforming of glycerol reaction to obtain hydrogen and/or synthesis gas at temperatures lower than 450 degrees C. A strong support effect on the behavior of catalysts was determined. The presence of intermediate products allowed to propose a scheme of reactions that would explain the results obtained at different space times and temperatures studied. Materials with acid properties demonstrated low activity to gaseous products, with formation of lateral products due to dehydration and condensation reactions, which would lead to coke formation and to a fast catalyst deactivation. On the contrary, the catalyst prepared with a support with neutral properties permitted to obtain a catalyst with excellent activity levels to gaseous products, high selectivity to H-2, and a very well stability in time. (C) 2010 Professor T. Nejat Veziroglu. Published by Elsevier Ltd. All rights reserved.

引用

页码：8912 / 8920

页数：9

共 28 条

[1] Conversion of glycerol to hydrogen via a steam reforming process over nickel catalysts [J].