Chemistry of inorganic compounds – Treating mixture to obtain metal containing compound – Group iib metal
Reexamination Certificate
2011-01-04
2011-01-04
Mayes, Melvin C (Department: 1732)
Chemistry of inorganic compounds
Treating mixture to obtain metal containing compound
Group iib metal
C423S043000, C423S146000, C210S601000
Reexamination Certificate
active
07862786
ABSTRACT:
A method for recovering zinc ions by selective zinc sulfide precipitation from an aqueous solution comprising zinc ions and metal ions of a metal that precipitates as a metal sulfide at a pH lower than a pH at which zinc ions precipitate as a zinc sulfide.
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Choi Yeonuk
Kondos Peter
McMullen Jacques
Barrick Gold Corporation
Mayes Melvin C
Senniger Powers LLP
Stalder Melissa
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