Method for producing activated alumina catalyst

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

B - Operations, Transporting

01

J

B01J 21/04 (2006.01) B01J 37/00 (2006.01) C01F 7/32 (2006.01)

Patent

CA 2177875

A method of making activated alumina including the steps of dissolving a double salt of aluminum in a solution of pure water at 85°C, recrystalizing the double salt at a pressure about 250 psi and temperature ranging from 200°C to 250°C, precipitating out the purified basic double salt, drying the precipitated double salt to drive off water and roasting it at 850°C to 950°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.

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