Method for producing activated alumina catalyst

Details Method for producing activated alumina catalyst Method for producing activated alumina catalyst

1996-12-04

1998-12-08

Nguyen, Ngoc-Yen

Chemistry of inorganic compounds

Oxygen or compound thereof

Metal containing

423625, 502355, C01F 732

Patent

active

058465120

ABSTRACT:
A method of making activated alumina including the steps of dissolving a double salt of aluminum in a solution of pure water at 85.degree. C., recrystalizing the double salt at a pressure about 250 psi and temperature ranging from 200.degree. C. to 250.degree. C., precipitating out the purified basic double salt, drying the precipitated double salt to drive off water and roasting it at 850.degree. C. to 950.degree. C. to drive off the sulfate, washing to remove the potassium sulfate and then drying the remaining alumina to yield activated alumina for use as a high-grade catalyst.

REFERENCES:
patent: 1233977 (1917-07-01), Cameron
patent: 2119551 (1938-06-01), MacCarthy
patent: 2134793 (1938-11-01), Mojjat
patent: 2402471 (1946-06-01), Tuwiner
patent: 3647372 (1972-03-01), Svoronos
patent: 4394368 (1983-07-01), Shanks
patent: 5508016 (1996-04-01), Yamanishi et al.

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