Performances and stability of Pd-alloy thin film/ceramic membranes for H2 separation in natural gas reforming gases

PETR 85

Gabriele Centi, centi@unime.it1, Salvatore Abate, sabate@ingegneria.unime.it2, Siglinda Perathoner, perathon@unime.it3, Chiara Genovese3, Gaetano Iaquaniello4, and Erica Lollobattista4. (1) Dept. of Industrial Chemistry and Engineering of Materials, University of Messina, Salita Sperone 31, Messina, 98166, Italy, (2) Dipartimento di Chimica Industriale ed Ingegneria dei Materiali, University Messina, Salita Sperone 31, Messina, Italy, (3) Department of Industrial Chemistry and Engineering of Materials, University Messina, Salita Sperone 31, Messina, 98166, Italy, (4) TECHNIP KTI S.p.A, via Castello della Magliana 75, rome, 00148, Italy
After an introduction on a novel hybrid (power+hydrogen) process scheme using a membrane module downstream to reforming reactor and which allows a reduction in energy consumption (-10%), the preparation by electroless plating deposition of Pd-Ag alloy thin film supported on ceramic alumina membrane and the relationship between preparation, membrane characteristics and performances in H2 separation is discussed. The introduction of a novel seeding procedure significantly improve the performances of these materials. The effect of the presence of CO2 and CO in the feed on the performances in H2 separation from methane reforming gases and on the deactivation mechanism is also shown.
 

2nd Symposium on Hydrogen from Renewable Sources and Refinery Applications
8:00 AM-12:20 PM, Tuesday, April 8, 2008 Morial Convention Center -- Rm. 209, Oral

Division of Petroleum Chemistry

The 235th ACS National Meeting, New Orleans, LA, April 6-10, 2008