Abstract: The invention relates to esterquats which can be obtained by reacting di- or trialkanolamines with a mixture of fatty acids and polycarboxylic acids, and the esters obtained in this manner are then quaternized with an alkylating agent, wherein the di- or trialkanolamines correspond to formula (I), in which R1 and R2 independently of one another represent hydroxyalkyl groups with 1 to 20 carbon atoms, hydroxyalkenyl groups with 2 to 20 carbon atoms and 1, 2, or 3 double bonds, or addition products of 1 to 20 mol ethylene oxide on a hydroxyethyl group and R3 represents hydrogen, an alkyl group with 1 to 20 carbon atoms, an alkenyl group with 2 to 20 carbon atoms and 1, 2, or 3 double bonds, a hydroxyalkyl group with 1 to 20 carbon atoms, a hydroxyalkenyl group with 2 to 20 carbon atoms and 1, 2, or 3 double bonds, or addition products of 1 to 20 mol ethylene oxide on a hydroxyethyl group; the fatty acids correspond to formula (II), R4—COOH??(II) in which R4 represents an aliphatic, linear, or branched hyd

Abstract: The invention relates to esterquats which can be obtained by reacting di- or trialkanolamines with a mixture of fatty acids and polycarboxylic acids, and the esters obtained in this manner are then quaternized with an alkylating agent, wherein the di- or trialkanolamines correspond to formula (I), in which R1 and R2 independently of one another represent hydroxyalkyl groups with 1 to 20 carbon atoms, hydroxyalkenyl groups with 2 to 20 carbon atoms and 1, 2, or 3 double bonds, or addition products of 1 to 20 mol ethylene oxide on a hydroxyethyl group and R3 represents hydrogen, an alkyl group with 1 to 20 carbon atoms, an alkenyl group with 2 to 20 carbon atoms and 1, 2, or 3 double bonds, a hydroxyalkyl group with 1 to 20 carbon atoms, a hydroxyalkenyl group with 2 to 20 carbon atoms and 1, 2, or 3 double bonds, or addition products of 1 to 20 mol ethylene oxide on a hydroxyethyl group; the fatty acids correspond to formula (II), R4—COOH (II) in which R4 represents an aliphatic, linear, or branched hyd

Abstract: This invention relates to a collector composition for the direct froth flotation of nonsulfide ores comprising a) 50-99 wt.-% of a mixture of fatty acids and b) 1-50 wt.-% of an N-acyl derivative of sarcosine of the formula (I) wherein R is a saturated or unsaturated hydrocarbon chain with 7 to 21 carbon atoms, wherein the mixture of comprises 10.0-35.0 wt.-% of fatty acid having a saturated C11 hydrocarbon group, 2.5-15.0 wt.-% of fatty acid having a saturated C13 hydrocarbon group, 10.0-25.0 wt.-% fatty acid having a monounsaturated C17 hydrocarbon group and 20.0-45.0 wt.-% fatty acid having a bisunsaturated C17 hydrocarbon group.

Abstract: This invention relates to a collector composition for the direct froth flotation of nonsulfide ores comprising a) 50-99 wt.-% of a mixture of fatty acids and b) 1-50 wt.-% of an N-acyl derivative of sarcosine of the formula (I) wherein R is a saturated or unsaturated hydrocarbon chain with 7 to 21 carbon atoms, wherein the mixture of comprises 10.0-35.0 wt.-% of fatty acid having a saturated C11 hydrocarbon group, 2.5-15.0 wt.-% of fatty acid having a saturated C13 hydrocarbon group, 10.0-25.0 wt.-% fatty acid having a monounsaturated C17 hydrocarbon group and 20.0-45.0 wt.-% fatty acid having a bisunsaturated C17 hydrocarbon group.

Abstract: The invention relates to a flotation agent for phosphate ore, comprising at least one fatty acid and at least one sarcosinate of the formula (I) wherein R is a C7 to C21 alkyl or alkenyl group, which sarcosinate may be present in the form of a cation derived therefrom caused by protonation of the nitrogen atom, wherein the amount of fatty acid is from 70 to 99 wt.-%, and wherein the amount of the sarcosinate of the formula (I) is from 1 to 30 wt.-%.

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- through 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.

Abstract: The present invention relates to a flotation reagent for iron ores containing magnetite and/or haematite and to the use of a composition containing A) at least one amine alkoxylate ester of formula (I) or a salt thereof, wherein A and B, independently of one another, represent a C2-C5 alkylene radical, R1 is a C8 to C24 alkyl or alkenyl radical, R2, R3 and R4, independently of one another, are H or a C8 to C24 acyl radical, with the proviso that at least one of the radicals R2, R3 or R4 stands for a C8 to C24 acyl radical, x, y and z, independently of one other, are an integer of from 0 to 50, with the proviso that x+y+z is an integer of from 1 to 100, and B) a compound of formula D-NH2, in which D stands for a hydrocarbon radical having from 1 to 50 carbon atoms, which can contain either an oxygen atom or an oxygen atom and a nitrogen atom, in amounts of 10 to 5.000 g/tonne as a collector in the reverse flotation of iron ore containing magnetite, haematite or both.

Abstract: The invention relates to a method for separating insoluble components of sylvinite, in that the sylvinite is suspended in a saturated salt solution, a coagulating agent is added to the suspension, and a foaming agent comprising a hydrocarbon radical having from 6 to 16 carbon atoms is added to the composition so obtained.

Abstract: The invention relates to a method for separating insoluble components from sylvinite, wherein the sylvinite is suspended in a saturated salt brine, a coagulating agent is added to the suspension, and a foaming agent is then added to the composition thus obtained, said foaming agent comprising and ether and/or ester, wherein a) the ethers of formula 1 correspond to R—O—R? (1), where R is a linear or branched alkyl or alkenyl groups having 2 to 30 carbon atoms and R? is a linear or branched alkyl or alkenyl groups having 1 to 30 carbon atoms; b) the esters are derived from monovalent or multivalent alcohols having 1 to 30 carbon atoms (alcohol radicals); or c) the ethers and/or esters are cyclic, wherein the ring size is 6 to 30 carbon atoms.

Abstract: The present invention relates to a flotation reagent for iron ores containing magnetite and/or haematite and to the use of a composition containing A) at least one amine alkoxylate ester of formula (I) or a salt thereof, wherein A and B, independently of one another, represent a C2-C5 alkylene radical, R1 is a C8 to C24 alkyl or alkenyl radical, R2, R3 and R4, independently of one another, are H or a C8 to C24 acyl radical, with the proviso that at least one of the radicals R2, R3 or R4 stands for a C8 to C24 acyl radical, x, y and z, independently of one other, are an integer of from 0 to 50, with the proviso that x+y+z is an integer of from 1 to 100, and B) a compound of formula D-NH2, in which D stands for a hydrocarbon radical having from 1 to 50 carbon atoms, which can contain either an oxygen atom or an oxygen atom and a nitrogen atom, in amounts of 10 to 5.000 g/tonne as a collector in the reverse flotation of iron ore containing magnetite, haematite or both.

Abstract: This invention relates to the use of a compound of the formula (I) where R1 is a hydrocarbon group having 1-40 carbon atoms, R2 is an aliphatic hydrocarbon group having 2-4 carbon atoms, and also R3 is an alkoxy group, n is in the range from 1 to 50, and m is 1 or 2, as flotation reagent in silicate flotation R1—O—R2—NH(2-m)—[(R3)n—H]m??(I).

Abstract: The invention relates to the use of a compound of formula R—N-[A-NH2]2??(1) wherein R represents a linear or branched alkyl group or alkenyl group having 6 to 20 carbon atoms while A represents a C2 to C4 alkylene group, as collector in silicate flotation.

Abstract: The invention relates to a method for separating insoluble components of sylvinite, in that the sylvinite is suspended in a saturated salt solution, a coagulating agent is added to the suspension, and a foaming agent comprising a hydrocarbon radical having from 6 to 16 carbon atoms is added to the composition so obtained.

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-through 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.

Abstract: This invention relates to the use of a compound of the formula (I) where R1 is a hydrocarbon group having 1-40 carbon atoms, R2 is an aliphatic hydrocarbon group having 2-4 carbon atoms, and also R3 is an alkoxy group, n is in the range from 1 to 50, and m is 1 or 2, as flotation reagent in silicate flotation R1—O—R2—NH(2-m)—[(R3)n—H]m??(I)

Abstract: The invention relates to a composition which is effective as a flotation reagent for collecting and separating potash salt mixtures. The flotation reagent comprises A) at least one compound of the formula [R1—NH3]+X?, where R1 is a C8 to C22 alkyl radical and X? is an anion, and B) a branched fatty acid having a chain length of 8 to 22 carbon atoms.

Abstract: The invention relates to a flotation agent for phosphate ore, comprising a fatty acid as collector and alkoxylated alkylphenols as dispersing agents, characterized in that the alkylphenols are composed of a) 8 to 20% by weight of one or more dialkylphenols having alkyl radicals from 8 to 12 carbon atoms b) 80 to 92% by weight of one or more monoalkylphenols having alkyl radicals from 8 to 12 carbon atoms, which have been alkoxylated with 2 to 6 mol of ethylene oxide.

Abstract: Agent for dressing phosphate ores