Methane steam reforming in a Pd-Ag membrane reformer: An experimental study on reaction pressure influence at middle temperature

被引：65

作者：

Basile, Angelo ^{[1
]}

Campanari, Stefano ^{[2
]}

Manzolini, Giampaolo ^{[2
]}

Iulianelli, Adolfo ^{[1
]}

Longo, Tiziana ^{[1
]}

Liguori, Simona ^{[1
,3
]}

De Falco, Marcello ^{[4
]}

Piemonte, Vincenzo ^{[5
]}

机构：

[1] Univ Calabria, CNR, ITM, I-87036 Arcavacata Di Rende, CS, Italy

[2] Politecn Milan, Dept Energy, I-20156 Milan, MI, Italy

[3] Univ Calabria, Dept Engn Modeling, I-87030 Arcavacata Di Rende, CS, Italy

[4] Univ Campus Biomed Rome, Fac Engn, I-00128 Rome, Italy

[5] Univ Roma La Sapienza, Dept Chem Eng Mat & Environm, I-00184 Rome, Italy

来源：

INTERNATIONAL JOURNAL OF HYDROGEN ENERGY | 2011年 / 36卷 / 02期

关键词：

Methane steam reforming; Membrane reactor; Pd-Ag membrane; Pressure effect; Hydrogen production; HYDROGEN-PRODUCTION; PALLADIUM MEMBRANE; NICKEL-CATALYSTS; GAS-MIXTURES; REACTORS; PERMEATION; PERMEABILITY; COGENERATION; SEPARATION; KINETICS;

D O I：

10.1016/j.ijhydene.2010.10.101

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 this experimental work, methane steam reforming (MSR) reaction is performed in a dense Pd-Ag membrane reactor and the influence of pressure on methane conversion, COx-free hydrogen recovery and COx-free hydrogen production is investigated. The reaction is conducted at 450 degrees C by supplying nitrogen as a sweep gas in co-current flow configuration with respect to the reactants. Three experimental campaigns are realized in the MR packed with Ni-ZrO catalyst, which showed better performances than Ni-Al2O3 used in a previous paper dealing with the same MR system. The first one is directed to keep constant the total pressure in both retentate and permeate sides of the membrane reactor. In the second case study, the total retentate pressure is kept constant at 9.0 bar, while the total permeate pressure is varied between 5.0 and 9.0 bar. As the best result of this work, at 450 degrees C and 4.0 bar of total pressure difference between retentate and permeate sides, around 65% methane conversion and 1.2 l/h of COx-free hydrogen are reached, further recovering 80% COx-free hydrogen over the total hydrogen produced during the reaction. Moreover, a study on the influence of hydrogen-rich gas mixtures on the hydrogen permeation through the Pd-Ag membrane is also performed and discussed. (C) 2010 Professor T. Nejat Veziroglu. Published by Elsevier Ltd. All rights reserved.

引用

页码：1531 / 1539

页数：9

共 61 条

[1] Membrane reforming for hydrogen [J].