Ore dressing method
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United States of America Patent
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Oct 13, 1987
Issued Date -
N/A
app pub date -
Feb 25, 1986
filing date -
Jun 20, 1984
priority date (Note) -
Expired
status (Latency Note)
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Abstract
An ore dressing method for beneficiating copper from copper bearing ore by froth flotation employing the collector which comprises a mixture of an O,O-bis(alkylphenyl) phosphorodithioic compound, e.g., sodium O,O-bis(isopropylphenyl) phosphorodithioate, and a thiono compound which is an alkyl xanthogen formate, e.g., isobutyl xanthogen alkyl ethyl formate, and/or a thionocarbamate, e.g., N-ethyl O-isopropyl dialkyl thionocarbamate.
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