Method for removing chlorine from a gas stream

Details Method for removing chlorine from a gas stream Method for removing chlorine from a gas stream

1990-02-28

1990-12-25

Russel, Jeffrey E.

Chemistry of inorganic compounds

Modifying or removing component of normally gaseous mixture

Halogenous component

55 71, 423 211, 423263, B01D 5304, C01B 701, C01F 1700

Patent

active

049801392

ABSTRACT:
Chlorine is removed from a gas stream by contacting the stream with a pulverized, oxidized bastnasite ore in the presence of water. The invention is particularly applicable to the processing of bastnasite ore for the recovery of rare earth compounds wherein there is produced a waste gas stream containing chlorine.

REFERENCES:
patent: 3812233 (1974-05-01), Duncan
patent: 4355015 (1982-10-01), Heckel et al.
patent: 4561959 (1985-12-01), Janoski et al.
patent: 4857296 (1989-08-01), Brunelle et al.
Kirk-Othmer, "Encyclopedia of Chemical Technology", John Wiley and Sons, New York, N.Y., vol. 5, 1979, pp. 317-318.

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