Gas separation – Means within gas stream for conducting concentrate to collector
Patent
1985-01-10
1986-05-20
Spitzer, Robert
Gas separation
Means within gas stream for conducting concentrate to collector
55 74, 55180, 55198, 55208, 55387, B01D 5304
Patent
active
045898901
ABSTRACT:
An improved waste heat-recovery method, and an apparatus embodying the method, are disclosed. Briefly, the improvement relates to recovery of latent heat. An example of how the method improves waste-heat recovery in a conventional solvent-adsorption process is discussed. The conventional process includes introducing steam, which possesses latent heat, into an activated-carbon solvent-adsorption bed to recover solvent from the carbon. A solvent-laden desorbate vapor, which also possesses latent heat, is thereby produced. The desorbate vapor is condensable to an aqueous solvent-laden fluid. The improvement comprises providing a body of liquid water, which is at a temperature lower than the desorbate vapor temperature, and passing the solvent-laden desorbate vapor and the body of liquid water together in a heat-transfer relationship, i.e., preferably through a heat transfer means, to transfer desorbate vapor latent heat into the body of water thereby heating the water. The improvement further includes flashing the heated body of liquid water to vaporize at least a portion thereof. The improvement includes subsequently passing the vaporized heated-water portion into the solvent-adsorption bed whereby a portion of the desorbate latent heat is recovered and re-used in the process.
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Dedert Corporation
Drabiak Jerome D.
Spitzer Robert
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