Process for removal of hydrogen sulfide from gaseous...

Details Process for removal of hydrogen sulfide from gaseous... Process for removal of hydrogen sulfide from gaseous...

B - Operations, Transporting

01

D

252/30, 23/346

B01D 53/14 (2006.01)

Patent

CA 1186868

- 24 - ABSTRACT OF THE DISCLOSURE The removal of H2S from a normally gaseous stream is accomplished with an absorbent solution contain- ing a severely sterically hindered secondary amino alcohol having a cumulative -Es value (Taft's steric hindrance constant) greater than about 1.75. In a pre- ferred embodiment the gaseous stream also contains CO2, and the H2S is selectively removed from the stream. The most preferred amino alcohol herein is tertiarybutylamino- ethoxyethanol.

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