Gas separation – Means within gas stream for conducting concentrate to collector
Patent
1991-05-17
1992-10-13
Spitzer, Robert
Gas separation
Means within gas stream for conducting concentrate to collector
55 28, 55 59, B01D 5304
Patent
active
051547392
ABSTRACT:
A solvent recovery treatment method of adsorbing at least two kinds of solvent-gas containing gases different in solvent content concentration, wherein: a rarefied solvent-gas containing gas is first passed through a first adsorbing device; the rarefied gas passed through the first device is switched to be passed through the second adsorbing device after a predetermined time has elapsed while a dense solvent-gas containing gas begins to be passed through the first adsorbing device; the rarefied gas passed through the second device is switched to be passed through a third adsorbing device after the predetermined time while the dense gas passed through the first device is switched to be passed through the second absorbing device, and the first adsorbing device is made to perform regenerating operation. The above operations are successively repeated according to necessity. By this method, the adsorbing faculty of an adsorbing agent can be utilized fully, and the equipment rate of the adsorbing device and the adsorbing agent regeneration cost per unit solvent treatment can be reduced.
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Kumazawa Sadao
Suzuki Yoshinori
Fuji Photo Film Co. , Ltd.
Spitzer Robert
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