Two-stage process for recovering sulfur values
Abstract
Abstract A METHOD FOR RECOVERING SULFUR VALUES FROM A MOLTEN SALT MIXTURE CONTAINING ALKALI METAL SULFATE OR SULFITE BY REDUCTION OF THE ALKALI METAL SULFATE OR SULFITE BY TREATMENT WITH HYDROGEN, CARBON MONOXIDE, OR A MIXTURE THEREOF TO FORM ALKALI METAL SULFIDES IN THE MOLTEN SALT MIXTURE, AND TREATMENT OF THE MOLTEN SALT MIXTURE CONTAINING ALKALI METAL SULFIDES WITH A GASEOUS MIXTURE CONTAINING STEAM AND CARBON DIOXIDE TO FORM HYDROGEN SULFIDE AND ALKALI METAL CARBONATES IN THE MOLTEN SALT. THE PROCESS MAY ALSO BE SEPARATELY UTILIZED FOR RECOVERING SULFUR VALUES FROM A MOLTEN SALT CONTAINING AS REACTIVE COMPONENT ALKALI METAL SULFIDES BY TREATING THE MOLTEN SALT MIXTURE WITH A GASEOUS MIXTURE CONTAINING CARBON DIOXIDE AND STEAM TO FORM HYDROGEN SULFIDE AND ALKALI METAL CARBONATES IN THE MOLTEN SALT.
Inventors
- 👤 Leroy F Grantham
Bibliographic Details
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