Process for removing mercury from a gas

Details Process for removing mercury from a gas Process for removing mercury from a gas

1978-09-29

1980-04-01

Thomas, Earl C.

Chemistry of inorganic compounds

Modifying or removing component of normally gaseous mixture

423 72, B01D 5334

Patent

active

041961730

ABSTRACT:
Mercury is removed from gases containing mercury vapor by passing the gases continuously through a bed of activated carbon on which a halogen is adsorbed. The bed may have a thickness of at most 5 cm. The chlorine content of the active carbon is maintained between 5% and 12% by weight. This is preferably effected by adding chlorine to the gases in an amount such that the carbon is caused to absorb a quantity thereof which equals the quantity that is consumed during the adsorption of mercury.

REFERENCES:
patent: 3755989 (1973-09-01), Fornoff et al.
patent: 3849267 (1974-11-01), Hilgen et al.

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