Method for removing hydrogen chloride from exhaust gas containin

Details Method for removing hydrogen chloride from exhaust gas containin Method for removing hydrogen chloride from exhaust gas containin

1975-11-04

1977-05-10

Thomas, Earl C.

Chemistry of inorganic compounds

Modifying or removing component of normally gaseous mixture

Halogenous component

B01D 5334

Patent

active

040228690

ABSTRACT:
Disclosed is a method for removing hydrogen chloride from an exhaust gas containing same without discharging any waste water from the system, which method includes bringing the exhaust gas into contact with a slurry containing calcium carbonate or calcium hydroxide to absorb the hydrogen chloride in the form of calcium chloride and then recovering the calcium chloride as solid calcium chloride hydrate.

REFERENCES:
patent: 1660053 (1928-02-01), Smith
patent: 3810970 (1974-05-01), McCormick
patent: 3826816 (1974-07-01), McCormick

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