Crosslinked starches as depressants in mineral ore flotation

Details Crosslinked starches as depressants in mineral ore flotation Crosslinked starches as depressants in mineral ore flotation

B - Operations, Transporting

03

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361/21

B03D 1/02 (2006.01) B03D 1/004 (2006.01) B03D 1/008 (2006.01) B03D 1/016 (2006.01)

Patent

CA 1157585

TITLE: CROSSLINKED STARCHES AS DEPRESSANTS IN MINERAL ORE FLOTATION ABSTRACT OF THE DISCLOSURE Conventional starches are chemically crosslinked for use as selective depressants in the flotation of non- sulfide mineral ores. The process employing these cross- linked starches requires lower reagent dosages,exhibits improved selectivity and recovery and exerts a lower load on existing waste treatment facilities. The crosslinking agents employed are bifunctional and are used in sufficient quantities to result in 500 to 10,000 anhydroglucose units per crosslink.

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