Removal of HS pollutant from gasifier syngas by a multistage dual-flow sieve plate column wet scrubber.

The objective of this study was to observe the performance of a lab-scale three-stage dual-flow sieve plate column scrubber for hydrogen sulfide (HS) gas removal from a gas stream, in which the HS concentration was similar to that of gasifier syngas. The tap water was used as scrubbing liquid. The gas and liquid were operated at flow rates in the range of 16.