B - Operations – Transporting – 01 – D
Patent
B - Operations, Transporting
01
D
23/347
B01D 53/00 (2006.01)
Patent
CA 1105676
ABSTRACT OF THE DISCLOSURE: In a process for selective removal of H2S from hot gases containing H2S and C02, wherein the gases are contacted at superatmospheric pressure with an alkali metal carbonate solution and the resultant alkali metal carbonate solution which contains hydro-sulfides and bicarbonates is regenerated by pressure-relieving the same, the so pressure-relieved solution is thereafter stripped and re-used for selective removal of H2S from hot gases containing the same and carbon dioxide, the improvement which comprises adjusting the alkali metal bicarbonate content of the pressure-relieved solution to be stripped so that it is at least 55% of the total alkali content of the solution and re-using said solution, following stripping, without cooling the same.
306850
Doerges Alexander
Hiller Heinz
Kempf Georg
Schlauer Johann
Svoboda Vaclac
Metallgesellschaft Aktiengesellschaft
Robic Robic & Associes/associates
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