SELECTIVE REMOVAL OF HYDROGEN SULPHIDE FROM GASES

摘要

1362384 Absorbing hydrogen sulphide SHELL INTERNATIONALE RESEARCH MAATSCHAPPIJ NV 13 July 1971 [15 July 1970] 32866/71 Heading B1L Hydrogen sulphide is removed from a gas with an alkanolamine solution in a tray also containing carbon dioxide by contacting column containing less than 20 trays at a velocity less than 1 metre/sec and at a temperature below 45‹C.