B - Operations – Transporting – 01 – D
Patent
B - Operations, Transporting
01
D
202/91
B01D 3/38 (2006.01) B01D 53/14 (2006.01)
Patent
CA 1068638
ABSTRACT OF THE DISCLOSURE The disclosure relates to a process for the regenera- tion of regenerable aqueous scrubbing solutions which are used for the bulk removal of acidic gases, by absorption from gas mixtures containing these acidic gases. The process is a cyclic one in which the aqueous scrubbing solutions are regenerated in a regeneration system by steam stripping before being recycled to the absorption stage, a part of the scrubbing solutions being regenerated in a main regeneration section of the regene- ration system, whereas the other part of the scrubbing solu- tions is regenerated in an auxiliary regeneration section of the regeneration system. The process comprises the steps of select- ing the pressure in the auxiliary regeneration section indepen- dently from the pressure in the main regeneration section and of obtaining at least a part of the stripping steam required in the auxiliary regeneration section through flashing of the scrubbing solution in a reduced pressure zone connected to the suction side of a steam-jet thermocompressor, the mixture of thermocompressor motive steam and recompressed flashed vapour being directly discharged into said auxiliary regeneration section.
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