Phosphate beneficiation process using methyl or ethyl esters...

Details Phosphate beneficiation process using methyl or ethyl esters... Phosphate beneficiation process using methyl or ethyl esters...

2006-02-07

2006-02-07

Lithgow, Thomas M. (Department: 1724)

Liquid purification or separation

Structural installation

Grated inlet surface drain

C252S061000

Reexamination Certificate

active

06994786

ABSTRACT:
A process for use in a phosphate ore beneficiation process to minimize the long-term environmental impact of the use of petroleum based hydrocarbon materials mixed with fatty acid based primary floatation reagents for froth flotation in the flotation of phosphate ores, wherein the process comprises substituting the petroleum based hydrocarbon materials with methyl and/or ethyl esters of fatty acids.

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