Preparation of sol-gel derived nickel/gamma-alumina catalytic membrane and its application to methanol-to-hydrogen converter characterization of composite sol and gel

T. Okubo, Midori Watanabe, K. Kusakabe, S. Morooka

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

Nickel/bochmite composite gels are prepared from stable sols of different nickel compositions. The particle size in the sols is measured by dynamic light scattering, and the nanostructure of the gels is characterized by nitrogen adsorption, FE-SEM, thermal analysis, XRD and gas permeation. By firing the composite gels, nickel/γ-alumina catalysts are prepared, and the catalytic activity in methanol decomposition (CH3OH → CO + 2H2) is studied. The nanostructure and the catalytic performance strongly depend on the nickel content. These results reveal that nickel is classified into two species; nickel effective for nanostructure control and active in methanol decomposition. A pinhole-free composite thin membrane is formed on a porous ceramic support, and the performance as a methanol-to-hydrogen converter is tested.

Original languageEnglish
Title of host publicationInorganic Membranes ICIM2-91
PublisherPubl by Trans Tech Publ
Pages71-76
Number of pages6
ISBN (Print)0878496254
Publication statusPublished - 1991
EventProceedings of the 2nd International Conference on Inorganic Membranes - ICIM2-91 - Montpellier, Fr
Duration: Jul 1 1991Jul 4 1991

Other

OtherProceedings of the 2nd International Conference on Inorganic Membranes - ICIM2-91
CityMontpellier, Fr
Period7/1/917/4/91

Fingerprint

Sols
Sol-gels
Methanol
Alumina
Gels
Nickel
Membranes
Hydrogen
Composite materials
Nanostructures
Decomposition
Dynamic light scattering
Permeation
Thermoanalysis
Catalyst activity
Particle size
Nitrogen
Adsorption
Scanning electron microscopy
Catalysts

All Science Journal Classification (ASJC) codes

  • Engineering(all)

Cite this

Preparation of sol-gel derived nickel/gamma-alumina catalytic membrane and its application to methanol-to-hydrogen converter characterization of composite sol and gel. / Okubo, T.; Watanabe, Midori; Kusakabe, K.; Morooka, S.

Inorganic Membranes ICIM2-91. Publ by Trans Tech Publ, 1991. p. 71-76.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Okubo, T, Watanabe, M, Kusakabe, K & Morooka, S 1991, Preparation of sol-gel derived nickel/gamma-alumina catalytic membrane and its application to methanol-to-hydrogen converter characterization of composite sol and gel. in Inorganic Membranes ICIM2-91. Publ by Trans Tech Publ, pp. 71-76, Proceedings of the 2nd International Conference on Inorganic Membranes - ICIM2-91, Montpellier, Fr, 7/1/91.
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