Method and apparatus for the selective adsorption of vaporous or

Details Method and apparatus for the selective adsorption of vaporous or Method and apparatus for the selective adsorption of vaporous or

1977-12-07

1980-05-20

Spitzer, Robert H.

Gas separation

Means within gas stream for conducting concentrate to collector

55 27, 55 62, 55 74, 55180, 55387, B01D 5304

Patent

active

042037344

ABSTRACT:
Purification of a stream of air or gas containing a mixture of vaporous or gaseous impurities of different volatilities and selective adsorption and recovery of the impurities in adsorption filters by passing the stream containing impurities through at least two adsorption filters connected in tandem, maintaining the temperature of adsorption in the first adsorption filter sufficiently high to selectively adsorb the impurities of low volatility, passing the stream containing impurities of higher volatility from the first adsorption filter through at least the second adsorption at a temperature lower than the temperature in the first adsorption filter to selectively adsorb the impurities of higher volatility. Temperature of adsorption may be obtained by passing the stream through a heat exchanger preceding the filter.

REFERENCES:
patent: 1548280 (1925-08-01), Ray
patent: 1815554 (1931-07-01), Engelhardt
patent: 1959389 (1934-05-01), Shoosmith
patent: 2340398 (1944-02-01), MacMullin
patent: 2428885 (1947-10-01), Luaces
patent: 3102013 (1963-08-01), Skarstrom
patent: 3150942 (1964-09-01), Vasan
patent: 3221476 (1965-12-01), Meyer
patent: 3225516 (1965-12-01), Smith et al.
patent: 3534529 (1970-10-01), Mattia
patent: 3905783 (1975-09-01), Winter et al.

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