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A collector, a flotation agent and a flotation method for separating copper and molybdenum

A collector and flotation agent technology, which is applied in the field of collectors for the separation of copper and molybdenum, can solve the problems of poor selectivity and large dosage, and achieve improved effect, strong separation and collection, and strong capture absorptive effect

Active Publication Date: 2022-03-04
KUNMING UNIV OF SCI & TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The most important thing in the separation of copper and molybdenum is to remove chalcopyrite and recover molybdenite. The most common collectors are xanthate collectors. Although xanthate collectors have good collection effects, they require a large amount of Therefore, choosing a suitable copper-molybdenum separation collector is the key to efficiently separate copper-molybdenum

Method used

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  • A collector, a flotation agent and a flotation method for separating copper and molybdenum
  • A collector, a flotation agent and a flotation method for separating copper and molybdenum
  • A collector, a flotation agent and a flotation method for separating copper and molybdenum

Examples

Experimental program
Comparison scheme
Effect test

no. 1 example

[0040] 1, the preparation of flotation agent, comprises the steps:

[0041] (1) With deionized water, 20 parts by weight of components shown in formula 1-2, 15 parts by weight of components shown in formula 2-2, 20 parts by weight of collector aid (kerosene), 10 parts by weight of foaming The agent (pine alcohol oil) is added to the volumetric flask of 200mL and constant volume;

[0042] (2) Place the volumetric flask of step (1) in a beaker with a constant temperature water bath at 50° C., and then stir the contents of the volumetric flask with a mechanical stirrer for 10 hours to obtain the flotation agent for future use.

[0043] 2. Flotation test process: refer to figure 1 , put 2g of chalcopyrite pure minerals (from Yun County, Yunnan, the same below) into a 40mL flotation tank, add an appropriate amount of deionized water, and stir for 3 minutes to make the slurry evenly stirred, and add different proportions of the flotation flotation tanks prepared in this example. S...

no. 2 example

[0054] 1, the preparation of flotation agent, comprises the steps:

[0055] (1) With deionized water, 20 parts by weight of components shown in formula 1-2, 15 parts by weight of components shown in formula 2-2, 20 parts by weight of collector aid (kerosene), 10 parts by weight of foaming Add the agent (pine alcohol oil) to the 200mL volumetric flask to constant volume;

[0056] (2) Place the volumetric flask of step (1) in a beaker with a constant temperature water bath at 50° C., and then stir the contents of the volumetric flask with a mechanical stirrer for 10 hours to obtain the flotation agent for future use.

[0057] 2. Flotation test process: refer to figure 1 , put 2g molybdenite pure mineral (from Burma) into 40mL flotation tank, add appropriate amount of deionized water, stir for 3 minutes, make the slurry stir evenly, add the flotation agent prepared in this embodiment (addition amount is 500g / t), stir and inflate for 5 minutes, scrape and bubble for 3 minutes, ...

no. 3 example

[0067] 1, the preparation of flotation agent, comprises the steps:

[0068] (1) With deionized water, 20 parts by weight of components shown in formula 1-2, 15 parts by weight of components shown in formula 2-2, 20 parts by weight of collector aid (kerosene), 10 parts by weight of foaming The agent (pine alcohol oil) is added to the volumetric flask of 200mL and constant volume;

[0069] (2) Place the volumetric flask of step (1) in a beaker with a constant temperature water bath at 50° C., and then stir the contents of the volumetric flask with a mechanical stirrer for 10 hours to obtain the flotation agent for future use.

[0070] 2. Flotation test process: refer to figure 2 , put 500g of actual ore (copper grade 0.46%, molybdenum grade 3.62% the same below) into a 1.5L flotation tank, add an appropriate amount of deionized water, and stir for 3 minutes to make the slurry evenly stirred, and add different proportions of the prepared The flotation agent was used for flotat...

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Abstract

The present invention relates to the technical field of copper-molybdenum separation, in particular to a collector, flotation agent and flotation method for copper-molybdenum separation, wherein the collector contains 10 to 30 parts by weight of formula 1-1 Components and 10 to 30 parts by weight of components shown in Formula 2-1, wherein the structural formulas of Formula 1-1 and Formula 2-1 are as follows: the Me, Me 1 for H + or metal ion, R 1 , R 2 , R 3 For alkyl or aromatic groups. The structure of the collector of the present invention has the characteristics of nitrogen-sulfur isoelectric, thereby realizing the synergy between the two components and effectively improving the separation effect of copper and molybdenum.

Description

technical field [0001] The invention relates to the technical field of copper-molybdenum separation, in particular to a collector, a flotation agent and a flotation method for copper-molybdenum separation. Background technique [0002] The following content in the background technology only refers to the information related to the present invention understood by the inventor, and aims to increase the understanding of the present invention by explaining some basic technical knowledge related to the present invention. Knowledge known to those of ordinary skill in the art. [0003] Molybdenum is a precious rare high-melting point metal and an important strategic material. Copper-molybdenum ore is one of the main sources of molybdenum. The amount of molybdenum recovered from copper-molybdenum ore accounts for 48% of the world's total molybdenum production. Due to copper sulfide ore Both chalcopyrite and molybdenite are easy to float, and the buoyancy of chalcopyrite and molybde...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B03D1/018B03D1/14B03D101/02B03D101/04B03D101/06B03D103/02
CPCB03D1/018B03D1/14B03D2201/04B03D2201/02B03D2201/06B03D2203/02
Inventor 邵延海吴维明肖玮张铂华吴海祥
Owner KUNMING UNIV OF SCI & TECH
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