Filter material for the removal of nitric oxide

Details Filter material for the removal of nitric oxide Filter material for the removal of nitric oxide

1983-08-25

1987-01-20

Millin, V.

Tobacco

Smoke separator or treater

131334, 131342, 55 68, 55387, A24D 306, B01D 4602

Patent

active

046374086

ABSTRACT:
A composition for removal of NO from smoke, effective after storage in the presence of moisture and the volatile components of tobacco, comprising, by weight of the total composition, from about 5% to about 40% of a permanganate selected from the group consisting of NaMnO.sub.4, Ca(MnO.sub.4).sub.2 and mixtures thereof, from about 0.5% to about 6% colloidal silica, from about 40% to about 90% silica gel and from about 4% to about 30% H.sub.2 O, with the silica gel having a granule size of from about 20 to about 100 mesh and an initial pore volume of from about 0.6 cc/g to about 1.4 cc/g. Alumina gel may be used in place of part of the silica gel in order to reduce the temperature of the smoke.

REFERENCES:
patent: 3434479 (1969-03-01), Till et al.
patent: 3957059 (1976-05-01), Rainer et al.

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