Back to results
US 5,686,057 AGranted
Selective oxidation of hydrogen sulfide in molten sulfur
AssigneeBetzDearborn Inc.
InventorsWilliam L. Witzig, Scott E. Lehrer
Life of this patent
Estimating the term…
Abstract
A method for inhibiting hydrogen sulfite evolution from molten sulfur is disclosed. The method involves adding a hypohalide to molten sulfur containing hydrogen sulfite. The hypohalide, such as hypochlorite, hyprobromite, and their sodium or calcium salts inhibit the evolution of hydrogen sulfite from molten sulfur.
Claims3
A method of inhibiting hydrogen sulfide evolution from molten sulfur comprising adding to molten sulfur a hypohalide in an amount of from about 1 to 1,000 moles hypohalide per mole of hydrogen sulfide, hydrogen polysulfide and combinations thereof present in said molten sulfur.
Dependencies are inferred from the claim text.