NORMAL AND ISO PARAFINES WITH LOW CONTENT OF AROMATICS, SULPHUR AND NITROGEN AS COLLECTOR FOR FROTH FLOTATION
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United States of America Patent
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Issued Date -
Mar 4, 2010
app pub date -
Dec 6, 2007
filing date -
Dec 6, 2006
priority date (Note) -
Abandoned
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Abstract
The present invention relates to a flotation agent comprising a collector hydrocarbon composition comprising more than 80 wt % of iso and normal paraffins, less than 1 wt % aromatics, less than 5 ppm sulphur and less than 1 ppm nitrogen, and having a density of between 0.65 and 0.8 g/cm3 at 15° C., and at least one frothing agent, and to a process for the froth flotation of non-metal and metal ores and sludges.
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