Method of removing mercury vapor from gases contaminated therewi

Details Method of removing mercury vapor from gases contaminated therewi Method of removing mercury vapor from gases contaminated therewi

1974-10-11

1977-02-22

Vertiz, Oscar R.

Chemistry of inorganic compounds

Modifying or removing component of normally gaseous mixture

75121, B01D 4700

Patent

active

040092410

ABSTRACT:
A method of removing mercury vapor from a gas contaminated therewith comprising washing said gas with an acid solution of divalent mercury ions, the concentration of which ranges from 0.5 to 100g per liter, at room temperature and atmospheric pressure; and rewashing the resultant gas with an acid solution of divalent mercury ions, the concentration of which ranges from 0.05 to 0.5g per liter, at room temperature and atmospheric pressure to obtain a purified gas containing mercury vapor of less than 0.01 mg/Nm.sup.3, that is, 0.001 ppm.

REFERENCES:
patent: 2289966 (1942-07-01), Herstein
patent: 3677696 (1972-07-01), Bryk et al.
patent: 3685960 (1972-08-01), Benson
patent: 3725530 (1973-04-01), Kawase et al.
patent: 3838190 (1974-09-01), Birke
patent: 3849537 (1974-11-01), Allgulin
Cotton & Wilkonson, "Advanced Inorganic Chemistry." Interscience Publishers, N.Y., N.Y., 1966, p. 613.

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