Low temperature ethanol steam reforming in a Pd-Ag membrane reformer

A. Santucci*, F. Borgognoni, S. Cordiner, Enrico Traversa, S. Tosti

*Corresponding author for this work

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

4 Scopus citations

Abstract

Ethanol steam reforming was been carried out in a membrane reactor consisting of a dense Pd-Ag thin wall tube, selectively permeable to the hydrogen, and a catalytic bed. In this way the hydrogen produced during the reaction was continuously removed from the reaction site. The permeator tube was produced via new technique of cold-rolling and diffusion welding. The experimental tests were performed in the temperature range of 400-450 °C to study the performance of the membrane reactor in terms of reaction conversion and hydrogen yields. The main investigated operating parameters were the water/ethanol feed molar ratio, the pressure inside the membrane, the sweep gas mode, the spatial velocity and the kind of catalyst bed. In all tests, ultra pure hydrogen was separated through the membrane. The experimental results demonstrated the capability of the Pd-Ag membrane to shift the conversion of the ethanol steam reforming reaction beyond the thermodynamic equilibrium.

Original languageEnglish (US)
Title of host publicationECS Transactions - Hydrogen Production, Transport, and Storage 2
Pages29-35
Number of pages7
Edition17
DOIs
StatePublished - Nov 17 2008
EventHydrogen Production, Transport, and Storage 2 - 211th ECS Meeting - Chicago, IL, United States
Duration: May 6 2007May 11 2007

Publication series

NameECS Transactions
Number17
Volume6
ISSN (Print)1938-5862
ISSN (Electronic)1938-6737

Other

OtherHydrogen Production, Transport, and Storage 2 - 211th ECS Meeting
CountryUnited States
CityChicago, IL
Period05/6/0705/11/07

ASJC Scopus subject areas

  • Engineering(all)

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