Catalyst carriers and a method for producing the same

Details Catalyst carriers and a method for producing the same Catalyst carriers and a method for producing the same

1988-12-22

1990-06-05

Shine, W. J.

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

Miscellaneous

502527, 428653, B01J 3200

Patent

active

049314211

ABSTRACT:
A catalyst carrier comprises a substrate made of a material selected from a stainless steel and a nickel base alloy both at least containing 0.2 to 0.8 wt % of Ti and 0.01 to 0.5 wt % of C, and an alumina thin layer firmly bonded onto the surface of the substrate by Al-O-ti-C bonds. The catalyst carrier is shaped in the form of a porous body having gas permeability in at least one direction. The alumina thin layer may be firmly bonded by Al-O-Ti-C bonds to the surface of the substrate having an aluminum-iron alloy layer or an aluminum-nickel alloy layer. The alumina thin layer is formed by heat treating aluminum coated onto the surface of the substrate at 600.degree. to 1,000.degree. C. for not less than 10 minutes. Instead of coating the alumina, aluminum may be placed onto the surface of the substrate for this purpose.

REFERENCES:
patent: 3881880 (1975-05-01), Gomersall
patent: 3944504 (1976-03-01), Ford et al.
patent: 4742038 (1988-05-01), Matsumoto
patent: 4752599 (1988-06-01), Nakamura et al.

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