Process for the catalytic oxidation of ferrous iron in...

Details Process for the catalytic oxidation of ferrous iron in... Process for the catalytic oxidation of ferrous iron in...

B - Operations, Transporting

01

J

B01J 21/18 (2006.01) C02F 1/28 (2006.01) C02F 1/64 (2006.01) C02F 1/72 (2006.01) C02F 1/74 (2006.01)

Patent

CA 2193400

A improved process is provided for the catalytic oxidation of ferrous iron in liquid media in the presence of oxygen. The improvement is provided by the use of a carbonaceous char catalytically active for said oxidation which is prepared by the carbonization and oxidation of a bituminous coal or a bituminous material at temperatures below 700°C followed by exposure of the carbonized, oxidized char to a nitrogen-containing compound and, during or after said exposure, increasing the temperature to at least 700°C.

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