Method of producing catalyst carriers

Details Method of producing catalyst carriers Method of producing catalyst carriers

1988-12-22

1990-09-25

Shine, W. J.

Catalyst, solid sorbent, or support therefor: product or process

Miscellaneous

502527, B01J 3200

Patent

active

049593420

ABSTRACT:
A catalyst carrier is disclosed, which comprises a substrate made of a stainless steel at least containing no aluminum, and an alumina thin layer formed on surfaces of the substrate through an aluminum-iron compond layer. The catalyst carrier is shaped as a porous body having gas permeability in at least one direction. A process for producing such a catalyst carrier is also disclosed, which comprises the steps of: (i) preparing a metal strip from a stainless steel at least containing no aluminum; (ii) plating surfaces of the metal strip with aluminum; (iii) rolling the aluminum-plated metal strip; (iv) converting the rolled metal strip to a corrugated porous body having gas permeability in at least one direction; and (v) forming an alumina thin film by oxidizing the plated aluminum layer through heat treating the porous body at 600.degree. to 1,000.degree. C. for not less than 10 minutes.

REFERENCES:
patent: 4252690 (1981-02-01), Kamiya et al.
patent: 4601999 (1986-07-01), Retallick et al.
patent: 4752599 (1988-06-01), Nakamura et al.
patent: 4797329 (1989-01-01), Kilbane et al.

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