Catalytic hollow fibre membrane micro-reactor: High purity H2 production by WGS reaction

F.R. Garcia-Garcia, M.A. Rahman, I.D. Gonzalez-Jimenez, K. Li

Research output: Contribution to journalArticlepeer-review

Abstract

In this study, CuO/CeO2 catalysts with a Cu content ranging from 5% to 40% were synthesized by sol–gel
Pechini method and were tested in a fixed-bed reactor for water gas shift (WGS) reaction. The catalysts were characterized by XRD, N2 adsorption isotherms at 77K (SBET) and H2-TPR. Based on the catalytic activity results, 10% CuO/CeO2, identified to be the most active catalyst, was deposited inside fingerlike
regions of an Al2O3 hollow fibre support for the further development of both catalytic hollow fibre
micro-reactor (CHFMR) andcatalytichollow ibremembranemicro-reactor (CHFMMR) where Pdor Pd/Ag
membrane was coated on the outer layer of the Al2O3 hollow fibre using a single or multilayer electroless
plating (ELP) technique. The prepared catalytic membranes were characterized by SEM, EDX, and pure
H2 and Ar permeation. Also, a comparative study of the CO conversion obtained in the WGS reaction as a function of the reaction temperature (from 200 ◦C to 500 ◦C) in a fixed-bed reactor, a CHFMR, a Pd-CHFMMR and a
Original languageEnglish
Pages (from-to)281–289
JournalCatalysis today
Volume171
DOIs
Publication statusPublished - 29 Mar 2011

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