Process for recovering a solvent vapor

Details Process for recovering a solvent vapor Process for recovering a solvent vapor

1975-12-15

1977-08-23

Spear, Jr., Frank A.

Gas separation

Means within gas stream for conducting concentrate to collector

55 89, 55189, B01D 5316

Patent

active

040437698

ABSTRACT:
A process is provided for recovering a solvent vapor from a mixed gas of the solvent vapor and air. From a vessel storing a mixed gas of the solvent vapor and air, the mixed gas is passed through a compressor to be compressed to a low degree, the resultant compressed mixed gas is introduced to a first absorption column, where said compressed mixed gas is brought into contact with a first absorbent to absorb and recover a greater part of the solvent vapor. A gas coming out from the first absorption column is introduced to a second absorption column, where said gas is brought into contact with a second absorbent.

REFERENCES:
patent: 3830074 (1974-08-01), Nichols
patent: 3867111 (1975-02-01), Knowles
patent: 3886759 (1975-06-01), McNamee

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