Process for impregnating active carbon with iodine compounds

Chemistry of inorganic compounds – Modifying or removing component of normally gaseous mixture – Carbon dioxide or hydrogen sulfide component

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Details

423244, 252441, 252444, 252429R, C01B 1716, C01B 1700, B01J 2706, B01J 2118

Patent

active

040752828

ABSTRACT:
A process for the impregnation of active carbon with an iodine compound in which the solution is also provided with a reducing agent preferably hydrazine or a compound capable of decomposing to produce sulfur dioxide (e.g. a sulfite or hydrogen sulfite) or solubilized sulfur dioxide. The impregnated active carbon can be used for the removal of sulfur dioxide or hydrogen sulfide from a gas stream.

REFERENCES:
patent: 2121793 (1938-06-01), Goshorn et al.
patent: 3961020 (1976-06-01), Seki

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