Blends of carboxylic acids and organic amines in ore flotation

Details Blends of carboxylic acids and organic amines in ore flotation Blends of carboxylic acids and organic amines in ore flotation

B - Operations, Transporting

03

D

B03D 1/01 (2006.01) B03D 1/008 (2006.01)

Patent

CA 2205885

Alkyl amines, alkyl diamines, alkyl polyamines, ether amines, and ether polyamines, neutralized with C3-24 carboxylic acids have improved fluidity and in some cases form stable dispersions in water, and are effective in froth flotation of impurities from ore. In particular, the removal of siliceous impurities from iron ore at high pH is significantly improved.

Alkylamines, alkyldiamines, alkylpolyamines, éther-amines et éther-polyamines, neutralisées par des acides carboxyliques C3-24; ces composés possèdent une fluidité améliorée et, dans certains cas, forment des dispersions stables dans l'eau; ils sont efficaces pour la flottation par moussage des impuretés provenant du minerai. Il permettant notamment d'améliorer sensiblement l'élimination à pH élevé des impuretés siliceuses dans le minerai de fer.

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