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YELLOW HILL LLC
| YELLOW HILL LLC Patent applications | ||
| Patent application number | Title | Published |
|---|---|---|
| 20100021371 | Sulfur Refining Process - A process comprising contacting a solvent with a sulfur stream comprising sulfur and a contaminant, separating the sulfur from at least some of the contaminant and at least some of the solvent, thereby producing a decontaminated sulfur stream, contacting the decontaminated sulfur with a washing agent, and separating the sulfur from at least some of the washing agent, thereby producing a purified sulfur stream comprising elemental sulfur. | 01-28-2010 |