Open AccessHigh Temperature Electrochemical Polishing of H(2)S from Coal Gasification. Quarterly progress report, April 1-June 30, 1997
Author(s) -
Jack Winnick
Publication year - 1997
Language(s) - English
Resource type - Reports
DOI - 10.2172/620655
Subject(s) - syngas , separator (oil production) , hydrogen sulfide , coal , coal gasification , inert gas , sulfur , coal gas , inert , integrated gasification combined cycle , sour gas , hydrogen , waste management , electrochemistry , environmental science , process engineering , chemical engineering , chemistry , materials science , natural gas , metallurgy , engineering , electrode , physics , organic chemistry , thermodynamics
An advanced process for the separation of hydrogen sulfide from coal gasification streams through an electrochemical membrane is being perfected. H{sub 2}S is removed from a synthetic gas stream, split into hydrogen, which enriches the exiting syngas, and sulfur, which is condensed downstream from an inert sweep gas stream. The process allows for continuous removal of H{sub 2}S without cooling the gas stream while allowing negligible pressure loss through the separator. Moreover, the process is economically attractive due to the elimination of the need for a Claus process for sulfur recovery. To this extent the project presents a novel concept for improving utilization of coal for more efficient power generation