RU2019107595A

RU2019107595A - APPLICATION OF EMULSIFIER IN FLOTAgent COMPOSITION

Info

Publication number: RU2019107595A
Application number: RU2019107595A
Authority: RU
Inventors: Хенрик Нордберг; Наталия Смолко-Шварцмайр; Магнус Свенссон
Original assignee: Акцо Нобель Кемикалз Интернэшнл Б.В.
Priority date: 2016-03-22
Filing date: 2017-03-20
Publication date: 2019-03-28
Also published as: ZA201804773B; RU2019107595A3; EP3433021A2; CA3016794C; BR112018015843B1; RU2702044C2; CA3016794A1; EP3433021B1; BR112018015843A2; RU2687665C1; WO2017162563A2; WO2017162563A3

Claims

1. Flotation agent composition suitable for use in the method of foam flotation of non-sulfide ores containing a surface-active primary flotation agent selected from the group consisting of fatty acids, sulfonates, alkyl phosphates, alkyl sulfates, compounds of formula (II)

,

where R ₁ represents a hydrocarbyl group with 8-22, preferably with 12-18 carbon atoms; A represents an alkyleneoxy group containing 2-4 carbon atoms; p represents the number 0 or 1; q is a number from 0 to 5, preferably 0; R ₂ represents a hydrocarbyl group containing 1-4 carbon atoms, preferably 1 atom, or R ₂ represents a group

where R ₁ , A, p and q have the same meaning as above, Y ^{- is} selected from the group consisting of COO ^- and SO ₃ ^- , preferably, from COO ^- ; n represents the number 1 or 2, preferably 1; M represents a cation, which may be monovalent or divalent and inorganic or organic, and r represents the number 1 or 2; or where compound (II) is in its protonated form without an external cation (M ^{r +} ) 1 / r;

from compounds of formula (III)

,

where R ₂ represents a hydrocarbyl group with 8-22, preferably with 12-18 carbon atoms, D represents -CH ₂ - or -CH ₂ CH ₂ -, k represents 0-4, preferably 0-3, and most preferably 0-2, and M represents hydrogen or a cation, such as a sodium or potassium cation; and from compounds of formula (IV)

,

where R represents a hydrocarbyl group containing 7-23, preferably 11-21 carbon atoms, optionally substituted; R_one represents H or CH₃preferably H; R₂ represents H or a C1-C4 alkyl group, preferably H; R₃ represents H or CH₃,preferably CH₃; n represents the number 1-20; p represents the number 1-3, preferably 1; X represents H⁺ or a cation that is organic or inorganic, and m is the valency of the cation and is a number 1-2, preferably 1; and from mixtures thereof; and a secondary flotation agent that contains mixtures of at least one compound (i) selected from the group of branched fatty alcohol alkoxylates with 12-16 carbon atoms having a branching degree of 1-3.5, with a degree of ethoxylation of up to 4 and at least of at least one compound (ii) selected from the group of alkoxylates of nonionic hydrocarbon compounds with a degree of ethoxylation above 3, where if both compounds (i) and (ii) are ethoxylated alcohols, the mixture has a bimodal distribution of the degree of ethoxylation.

2. The composition according to claim 1, where the compound (ii) is selected from the group of alkoxylates of nonionic hydrocarbon compounds from the group of fatty alcohols, fatty amines, fatty ethanolamides, fatty diethanolamides, fatty acids and triglycerides with a degree of ethoxylation greater than 3.

3. The composition according to claim 1 or 2, where the molecular formula of compounds (i) and (ii) is the formula (I)

R-A (I)

where for compound (i), R represents an alkyl or alkenyl group containing 12-16, preferably 12-15 carbon atoms, and where the specified alkyl or alkenyl group has a degree of branching 1-3, and where for compound (ii), R represents any alkyl, aryl or alkenyl group, branched or linear, having 8-24 carbon atoms; A is selected from groups

O- (PO) _x (EO) _y (PO) _z H, for compounds (i) and (ii),

(CO) N (CH ₂ CH ₂ O (PO) _x (EO) _y (PO) _z H) ₂ , for compound (ii),

(CO) NH (CH ₂ CH ₂ O (PO) _x (EO) _y (PO) _z H), for compound (ii),

(CO) O ((PO) _x (EO) _y (PO) _z H), for compound (ii),

N (PO) _x (EO) _y (PO) _z H) ₂ , for compound (ii),

(CO) O ((PO) _x (EO) _y (PO) _z OCH ₂ CH (O (PO) _x (EO) _y (PO) _z O (CO) R) CH ₂ O

and ((PO) _x (EO) _y (PO) _z O (CO) R), for compound (ii),

where PO is a propyleneoxy unit and EO is an ethyleneoxy unit, and for compound (i), x is a number 0-2, preferably 0, y is a number 0-4, preferably 0-3, more preferably 0-2 , 5, even more preferably 0-2.3, and most preferably 0-2, and z represents the number 0-2, preferably 0, and for compound (ii), x represents the number 0-20, preferably , 0, y is a number above 3 and up to 30, preferably 4-20, more preferably 5-15, even more preferably 7-12, z is m is the number of 0-20, preferably 0.

4. The composition according to any one of claims 1 to 3, where the mass ratio of the primary flotation agent and the secondary flotation agent is in the range between 15:85 and 99: 1.