Method of reducing the destruction of ozone in the earth's strat

Details Method of reducing the destruction of ozone in the earth's strat Method of reducing the destruction of ozone in the earth's strat

1992-08-11

1994-12-27

Straub, Gary P.

Chemistry of inorganic compounds

Modifying or removing component of normally gaseous mixture

Nitrogen or nitrogenous component

423241, 423240S, 588248, 239 21, 239 141, B01D 5334

Patent

active

053763467

ABSTRACT:
By reaction of Cl and ClO radicals with alkaline cations, such as K.sub.2 O.sub.2, Na.sub.2 O.sub.2, CaO, CaO . MgO, Ca(OH).sub.2, CaCO.sub.3, (Ca Mg) (CO.sub.3).sub.3, Na.sub.2 CO.sub.3, NaHCO.sub.3 and NaHCO.sub.3 . Na.sub.2 CO.sub.3 . 2 H.sub.2 O, these radicals are either bound in ultraviolet radiation stable crystalline inorganic lattices or in high stability alkaline salt solutions. Since most of these salts are hygroscopic, they are able to pick up water vapor from the atmosphere, increase in size, and fall through the stratosphere and troposphere resulting in a faster removal rate than would otherwise occur.

REFERENCES:
patent: 2408696 (1946-10-01), Smallwood
patent: 3289409 (1966-12-01), Schirmer
patent: 5147429 (1992-09-01), Bartholomew et al.
Murad et al. Nature 289 N5795 pp. 273-274 (1981) Jan. 1981 Possible role for metals in stratosphere chlorine chemistry.

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