Method for inhibiting oxidation of metal sulfide-containing...

Details Method for inhibiting oxidation of metal sulfide-containing... Method for inhibiting oxidation of metal sulfide-containing...

2006-12-26

2006-12-26

Vanoy, Timothy C. (Department: 1754)

Coating processes

Particles, flakes, or granules coated or encapsulated

C427S213300, C427S220000, C106S014050, C106S243000, C210S747300, C210S198100, C252S380000, C252S384000, C252S397000, C252S399000, C299S010000, C423S561100, C423S566100, C428S357000

Reexamination Certificate

active

07153541

ABSTRACT:
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.

REFERENCES:
patent: 4427448 (1984-01-01), Hedlund et al.
patent: 5091112 (1992-02-01), Perozzi et al.
patent: 5550141 (1996-08-01), Gould et al.
patent: 6063347 (2000-05-01), Roling et al.
patent: 6196765 (2001-03-01), Harrington

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