Concentrating evaporators – Processes – Involving waste liquid
Patent
1976-11-22
1978-01-24
Yudkoff, Norman
Concentrating evaporators
Processes
Involving waste liquid
159 16R, 55 32, 62 20, 252372, 48180C, B01D 116, B01D 100, B01D 5302, C07C 2926
Patent
active
040702316
ABSTRACT:
Improved process and apparatus for drying oxygen-containing streams, particularly wet air streams, are provided wherein these streams are contacted with glycols. The regeneration of glycols and in particular the removal of oxygen from the glycols is effected in a first step at a temperature below the oxidation temperature of the glycols, and then the removal of water from the glycols is effected in a second step, preferably by heating the wet glycols.
REFERENCES:
patent: 2428643 (1947-10-01), Young
patent: 3182434 (1965-05-01), Fryer
patent: 3233390 (1966-02-01), Meyers
patent: 3348601 (1967-10-01), Hill
patent: 3370636 (1968-02-01), Francis
patent: 3397737 (1968-08-01), Gravis
patent: 3428423 (1969-02-01), Egbert
patent: 3450603 (1969-06-01), Meyers
patent: 3841382 (1974-10-01), Gravis
Mullen Martin G.
Phillips Petroleum Company
Yudkoff Norman
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