Blends of carboxylic acids and organic amines with improved...

B - Operations – Transporting – 03 – D

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B03D 1/01 (2006.01) C08K 5/00 (2006.01) C11D 1/40 (2006.01) C11D 1/42 (2006.01)

Patent

CA 2205886

Alkyl amines, alkyl diamines, alkyl polyamines, ether amines, and ether polyamines, neutralized with C3-24 carboxylic acids offer improved liquidity and stability, and readily form stable, monophasic dispersions in water, and are effective in froth flotation of siliceous impurities from ores such as magnetic and hematite iron ores at high pH.

Alkylamines, alkyldiamines, alkylpolyamines, éther-amines et éther-polyamines, neutralisées par des acides carboxyliques C3-24; ces composés offrent une liquidité et une stabilité améliorées; ils forment facilement des dispersions monophasiques stables dans l'eau, et sont efficaces pour la flottation par moussage à pH élevé des impuretés siliceuses provenant de minerais, comme la magnétite et le minerai de type hématite.

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