Method for biological treatment of waste gases

Details Method for biological treatment of waste gases Method for biological treatment of waste gases

1985-09-03

1987-05-05

Hart, Charles

Gas separation

Means within gas stream for conducting concentrate to collector

55 94, 55223, 55233, 210615, 435262, 435266, B01D 5314

Patent

active

046629009

ABSTRACT:
Method for removal of malodorous and/or toxic components from waste gases by biological treatment of the same. Such removal is accomplished by passing the gas stream through a humidifying temperature conditioning section and then through a filter bed. The filter bed consists of a mixture of an organic biological active material, like compost, an inert fraction and additives for neutralization and organic buffening. Also disclosed is the inoculation of the filter bed with specific micro-organisms adapted to remove constituents of the gas stream which are difficultly biodegradable, e.g. methylenechloride.

REFERENCES:
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patent: 3216905 (1965-11-01), Baptist
patent: 3269542 (1966-08-01), Renzi et al.
patent: 3376219 (1968-04-01), Silvey
patent: 3445182 (1969-05-01), Tomany
patent: 3828525 (1974-08-01), Copa et al.
patent: 4088571 (1978-05-01), Helgesson
patent: 4225381 (1980-09-01), Ishikawa et al.

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