Method for removal of gaseous formaldehyde from the atmosphere

Details Method for removal of gaseous formaldehyde from the atmosphere Method for removal of gaseous formaldehyde from the atmosphere

1981-04-28

1983-02-22

Thomas, Earl C.

Chemistry of inorganic compounds

Modifying or removing component of normally gaseous mixture

Organic component

55 68, 55 74, 422 36, 568493, B01D 5334

Patent

active

043748147

ABSTRACT:
A method for purifying air by removing gaseous formaldehyde under ambient conditions, by bringing the air in contact with a solid shaped composition consisting essentially of one or more polyhydric water-soluble polymers and ambient moisture, in the absence and in the presence of a solid substrate.

REFERENCES:
patent: 2049608 (1936-08-01), Forrester
patent: 3898038 (1975-08-01), Anderson
Blanksma, "The Absorption of Formaldehyde by Starch", and The Absorption of Formaldehyde by Cellulose, Chemical Abstracts, vol. 23, No. 7, Apr. 10, 1929, p. 2700.

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