B - Operations – Transporting – 01 – D
Patent
B - Operations, Transporting
01
D
165/3
B01D 3/00 (2006.01) B01D 53/14 (2006.01) C01B 3/52 (2006.01) C10K 1/08 (2006.01) C10K 1/16 (2006.01)
Patent
CA 1161357
ABSTRACT OF THE DISCLOSURE: The present invention relates to apparatus for regenerating liquid absorbent laden with one or more gaseous impurities comprising a regenerating column having a liquid absorbent regenerating zone containing mass transfer-promoting elements, wherein said regenerating column is adapted so that laden liquid absorbent to be regenerated is conducted at a temperature of 30 to 300°C in countercurrent to rising stripping fluid which takes up and carries off one or more gaseous impurities, wherein said stripping fluid is a gas, a vapor or a mixture thereof, wherein said apparatus additionally has means for feeding laden liquid absorbent to said regenerating column, means for withdrawing regenerated liquid absorbent from said regenerating column, means for introducing stripping fluid into said regenerating column, means for withdrawing stripping fluid laden with one or more gaseous impurities from said regenerating, column and is characterized in that said regenerating zone has an upper regenerating zone which can be shut down and a lower second regenerating zone, in that said regenerating column is provided with an inlet for feeding laden liquid ab- sorbent to said upper regenerating zone and with bypass absorbent feed means for bypassing said inlet to feed laden liquid absorbent to said lower second regenerating zone and in that the volume ratio between said second and said upper regenerating zones is at least 1.5:1.
364038
Grunewald Gerhard
Kriebel Manfred
Metallgesellschaft Aktiengesellschaft
Robic Robic & Associes/associates
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