Method of removing and recovering elemental sulfur from highly reducing gas streams containing sulfur gases

Kenneth H. Davis; R. E. Folsom; F. Ivy Carroll; Phillip C. Cooley; Lyle M. Retzlaff; Michael F. Weeks; H. Koo; Herbert H. Seltzman; E. Pellizzari; Deborah W. McFadden; Roger D. Austin; Martin B. Lee; Judith T. Lynch; Debra M. Fleischmann; Carol Place; Stephen D. Cooper; Rick L. Williams; Lillie B. Barber; Doris J. Rouse; Ivey A. McDaniel; Charlotte O. Scheper; Paul Kizakevich; Donna M. Jewell; Marion E. Deerhake; Cora B. Parker; Eugene P. Brantly; Phyllis D. Elkins; Patricia A. Cunningham; Robert S. Truesdale; Sara C. Wheeless; Robert M. Bray; Cynthia A. Salmons; Gary B. Howe; Coleen M. Northeim; Susan K. Myers; Gordon M. Cressman; Josephine A. Mauskopf; Tim J. Gabel; Luis Arturo Crouch; Celia D. Keller; Lisa E. Packer; Pamela B. Lamb; Keith White Little; Nathaniel F. Rodman; M. Owen; James P. Hayes; Daniel L. Winfield; Deborah A. Gibbs; Janice E. Kelly-Reid; Wayne G. Winstead; Cindy O. McClintock; Terrence K. Pierson; Johnny R. Albritton; Sherry L. Black; Jeffrey B. Coburn; Joe B. Simpson; Ed E. Rickman; James T. Hanley; R. Suresh; Barbara L. Kroner; K. Heller; James C. Blake; Barri B. Burrus; Anthony C. Clayton; Donna S. Womack; S. Mascarella; Scott A. Guthrie; Sheryl C. Cates; Albert D. Bethke; Suson F. VonLehmden; Kathryn L. Dowd; Daniel J. Pratt; Lisa J. McQuay; Matthew A. Koch; Jonathan T. Ennis; Robert A. Zerbonia; Nick L. Kinsey; Susan H. Kinsey; Christopher P. Carson; J. Newsome; S. Keesling; James A. O'Rourke; Kathryn R. Batts; Craig R. Hollingsworth; Priya Suresh; Joseph Wendell Wilson; Vorapranee Wickelgren; E. Andrew Jessup; Diana S. Goss; Sheri E. Fehnel; Gayle S. Bieler; Donna P. Coleman; R. Crawford; Jeanne Ann Snodgrass; Nellie I. Hansen; Michelle Lang; Deirdre M. Mladsi; Gary A. Zarkin; Rachel A. Caspar; Carol L. Woodell; Santosh Gangwal; Apostolos Nikolopoulos; TP Dorchak; MA Dorchak

Method of removing and recovering elemental sulfur from highly reducing gas streams containing sulfur gases

Gangwal, S., Nikolopoulos, A., Dorchak, TP., & Dorchak, MA. (2005). Method of removing and recovering elemental sulfur from highly reducing gas streams containing sulfur gases. (U.S. Patent No. 6962683). http://patft.uspto.gov/netacgi/nph-Parser?patentnumber=6962683

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Abstract

A method is provided for removal of sulfur gases and recovery of elemental sulfur from sulfur gas containing supply streams, such as syngas or coal gas, by contacting the supply stream with a catalyst, that is either an activated carbon or an oxide based catalyst, and an oxidant, such as sulfur dioxide, in a reaction medium such as molten sulfur, to convert the sulfur gases in the supply stream to elemental sulfur, and recovering the elemental sulfur by separation from the reaction medium.