B - Operations – Transporting – 03 – D
Patent
B - Operations, Transporting
03
D
B03D 1/01 (2006.01) B01F 17/00 (2006.01)
Patent
CA 2742931
Abstract: The invention relates to the use of a composition of A) at least one quaternary ammonia compound comprising at least one organic radical bonded to the ammonia nitrogen atom and optionally comprising heteroatoms and having 1 to 36 carbon atoms, and B) at least one amine alkoxylate ester of formula (1) or a salt thereof, where A, B are, independently of each other, a C2- through C5-alkylene radical R1, a C8- though C24-alkyl radical or alkenyl radical R2, R3, R4 independent of each other, H, or a C8- through C24-acyl radical, with the stipulation that at least one of the radicals R2, R3 or R4 stands for a C8- through C24-acyl radical: and x, y, z, independently of each other, stand for a whole number from 0 through 50, with the stipulation that x + y + z is a whole number from 1 through 100, in quantities of 10 through 5000 g/tonne of ore as a collector in silicate floation.
Linvention concerne lutilisation dune composition de A) au moins un composé dammonium quaternaire qui contient au moins un radical organique comportant 1 à 36 atomes de carbone, contenant éventuellement des hétéroatomes, relié à latome dazote de lammonium, et B) au moins un ester alcoxylate damine de formule (1) ou un de ses sels, dans laquelle A et B représentent indépendamment lun de lautre un radical alkylène en C2 à C5, R1 représente un radical alkyle ou un radical alcényle en C8 à C24, R2, R3 et R4 représentent indépendamment les uns des autres H ou un radical acyle en C8 à C24, à condition quau moins un des radicaux R2, R3 ou R4 représente un radical acyle en C8 à C24, x, y et z représentent indépendamment les uns des autres un nombre entier de 0 à 50, à condition que x + y + z soit un nombre entier de 1 à 100, en quantités de 10 à 5 000 g/tonne de minéral en tant que collecteur dans la flottation du silicate.
Dahlmann Uwe
Pedain Klaus Ulrich
Clariant Finance (bvi) Limited
Fetherstonhaugh & Co.
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