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Method for inhibiting oxidation of metal sulfide-containing material

United States Patent

December 26, 2006
View the Complete Patent at the US Patent & Trademark Office
The present invention provides means for inhibiting the oxidation of a metal sulfide-containing material, such as ore mine waste rock or metal sulfide taiulings, by coating the metal sulfide-containing material with an oxidation-inhibiting two-tail lipid coating (12) thereon, thereby inhibiting oxidation of the metal sulfide-containing material in acid mine drainage conditions. The lipids may be selected from phospholipids, sphingolipids, glycolipids and combinations thereof.
Elsetinow; Alicia (Philadelphia, PA), Borda; Michael J. (Saint James, NY), Schoonen; Martin A. (Miller Place, NY), Strongin; Daniel R. (Wynnewood, PA)
10/ 497,769
December 4, 2002
STATEMENT OF GOVERNMENTAL INTEREST This invention was made with Government support under grant DEFG0296ER14644 and DEFG029ER14633 awarded by the Department of Energy-Basic Energy Sciences.