Removal of acidic halides from gas streams

Details Removal of acidic halides from gas streams Removal of acidic halides from gas streams

1994-12-30

1997-02-11

Caldarola, Glenn A.

Mineral oils: processes and products

Fractionation

208390, 208203, 2082621, 208283, 208286, 208299, 208302, 95131, 95132, 95141, 95142, 210807, 210902, C10G 19073, C10G 2500, B01D 2400

Patent

active

056017022

ABSTRACT:
Acidic halides, especially chlorides, are removed from gas by contact with particles of solid caustic covered by aqueous and hydrocarbon phases, respectively. Effective neutralization is achieved without swelling or plugging the bed of solid caustic. Halides are removed as brine. Efficient caustic utilization is achieved by controlling water vapor levels in the gas based on pH of brine product.

REFERENCES:
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patent: 3761534 (1973-09-01), Sun et al.
patent: 3792571 (1974-02-01), Waki et al.
patent: 4157376 (1979-06-01), Vulikh et al.
patent: 4594231 (1986-06-01), Nishino et al.
patent: 5030610 (1991-07-01), Sakata et al.
patent: 5316998 (1994-05-01), Lee et al.
Oil & Gas Journal Item--Merichem Ad--Oct. 1994.
Copies of portions of "Opposers" work.
Lexpat Search--OGJ Sep. 17, 1990.

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