Process for the depyrophorization of pyrophoric metal catalysts

Details Process for the depyrophorization of pyrophoric metal catalysts Process for the depyrophorization of pyrophoric metal catalysts

1978-10-17

1980-09-23

Doll, John

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

252461, 252463, 252467, 252471, 252472, 252476, 252477Q, 260576, 260577, 260578, 260583K, 260583L, 568772, 568861, 568862, 568864, 568865, 585270, 585276, C07C 8511, C07C 8512

Patent

active

042242487

ABSTRACT:
A process has been developed for the depyrophorization of pyrophoric metal catalysts, such as Raney nickel catalysts, which comprises treating said pyrophoric metal catalysts in water and/or an organic solvent with an organic nitro compound or a nitroso compound. The catalysts which are obtained according to the process of the invention are useful for carrying out all hydrogenation reaction which can be carried out using the corresponding pyrophoric catalysts. The catalysts obtained are further distinguished by high activity and extended life. They are not contaminated by contact catalyst poisons and can be used essentially without pre-activation.

REFERENCES:
patent: 3425959 (1969-02-01), Haddad
patent: 3544485 (1970-12-01), Taira et al.

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