ABSTRACT

UCAP A process for selectively removing residual sulfur dioxide from the tail gas from the *Claus process. It had not been commercialized by 1983.

UCAR [Union Carbide CARbon dioxide] A process for removing carbon dioxide from gas streams by scrubbing with methyl diethanolamine. Use of a proprietary corrosion inhibitor permits higher concentrations of the amine to be used than in similar processes.