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Mixture of fatty acids and alkylether phosphates as a collector for phosphate ore flotation

A collector and mineral technology, applied in flotation, solid separation, etc., can solve problems such as no public use

Pending Publication Date: 2021-09-07
BASF SE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Its use in anti-flotation is not disclosed

Method used

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  • Mixture of fatty acids and alkylether phosphates as a collector for phosphate ore flotation
  • Mixture of fatty acids and alkylether phosphates as a collector for phosphate ore flotation
  • Mixture of fatty acids and alkylether phosphates as a collector for phosphate ore flotation

Examples

Experimental program
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Embodiment approach

[0517] The following list of embodiments is provided to further illustrate the present disclosure and is not intended to limit the present disclosure to the specific embodiments listed below.

[0518] 1. Use of a collector composition for enriching phosphate from a phosphate-containing mineral, wherein the collector composition comprises:

[0519] i. at least one component A, and

[0520] ii. at least one component B,

[0521] wherein said at least one component A contains saturated or unsaturated C 8 -C 22 Fatty acids or derivatives thereof containing at least one C(=O)-OH group or salts thereof, said at least one component B being a compound of formula (I),

[0522]

[0523] in:

[0524] Z 1 for C 6 -C 30 Alkyl-O-(CH 2 -CH 2 -O) n -(–CH(R 3 )–CH(R 4 )–O–) l -(–CH 2 -CH 2 -O-) m –;

[0525] Z 2 from OM 5 and C 6 -C 30 Alkyl-O-(CH 2 -CH 2 -O) n -(–CH(R 3 )–CH(R 4 )–O–) l -(–CH 2 -CH 2 -O-) m –;

[0526] M and M 5 is H, ammonium or alkali meta...

Embodiment

[0687] The invention is illustrated in detail by the following non-limiting working examples. More particularly, the test methods described below are part of the general disclosure of the application and are not limited to the specific working examples described.

[0688] Material

[0689] Tall oil is available from BASF.

[0690] C 16 -C 18 (EO) 3 Phosphate (mono / di) sodium salt is available from BASF.

[0691] C 16 -C 18 (EO) 2 Phosphate (mono / di) sodium salt is available from BASF.

[0692] C 13 -C 15 (EO) 6 (PO) 3 Phosphate monosodium salt is available from BASF.

[0693] C 13 -C 15 (EO) 6 (PO) 3 Phosphate monosodium salt is available from BASF.

[0694] C 12 -C 14 (EO) 2 Sulfate monoester sodium salt is available from BASF.

[0695] C 13 -C 15 (EO) 6 (PO) 3 Phosphate monosodium salt is available from BASF.

[0696] C 16 -C 18 (EO) 10 Phosphate mono / disodium salts are available from BASF.

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Abstract

The present invention relates to a collector composition for the beneficiation of phosphates from phosphate-containing mineral, their use in flotation processes and to a method for the beneficiation of phosphates using said collector composition.

Description

[0001] field of invention [0002] The present invention relates to a collector composition for enriching phosphate from phosphate-containing minerals, its use in a flotation process and a method for enriching phosphate-containing minerals using said collector composition. mineral method. [0003] Background of the invention [0004] The global depletion of readily available high-grade phosphate deposits has led to an increased need for beneficiation techniques in phosphate rock processing in order to make low-grade phosphate rock available as a phosphate source. In principle, phosphate-containing ores are processed to obtain apatite concentrates, which are further processed into phosphoric acid and then into fertilizers. Typically, flotation methods, direct and / or reverse flotation methods, are applied for the enrichment of phosphate-containing ores and usually require several flotation steps. Froth flotation as a separation technique in principle exploits the difference in ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B03D1/004B03D1/008B03D1/014
CPCB03D2203/06B03D2201/02B03D1/008B03D1/014B03D1/0043B03D1/021
Inventor R·卡姆金A·米哈伊洛夫斯基
Owner BASF SE