B - Operations – Transporting – 01 – D
Patent
B - Operations, Transporting
01
D
202/88
B01D 53/14 (2006.01) B01D 1/02 (2006.01) B01D 3/10 (2006.01) B01D 5/00 (2006.01) C07C 213/10 (2006.01)
Patent
CA 1325401
ABSTRACT OF THE DISCLOSURE When regenerating gas treating chemicals such as diethanolamine solution, the usual practice is to subject the chemicals to steam stripping. Ultimately such action is ineffective, and it is necessary to discard the chemicals. The waste chemical can be reclaimed by preheating the chemical in a countercurrent heat exchanger, in which heat is recovered from an already processed product; using a still to separate the preheated, partially vaporized chemical from the remainder of the chemicals; i.e. impurities or still bottoms; heating the still bottoms and recycling such bottoms for mixing with the partially vaporized chemical immediately upstream of the still; returning the separated vapor product from the still to the heat exchanger for heating feed chemical; and separating the thus partially condensed product in a separator to yield reclaimed gas treating chemical.
572338
Beasley Todd
Merritt Dwight
Ccr Technologies Ltd.
Kirby Eades Gale Baker
LandOfFree
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