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Separation flotation inhibitor of non-molybdenum sulfide minerals, preparation method and application

An inhibitor and sulfide ore technology, applied in flotation, solid separation and other directions, can solve the problems of high toxicity, easy failure, and large amount of inhibitor, achieve low toxicity, strong industrialization ability, and achieve high-quality backwater utilization Effect

Active Publication Date: 2019-09-24
NORTHEASTERN UNIV LIAONING
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] Aiming at the defects of non-molybdenum metal sulfide minerals such as large amount of inhibitor used, high toxicity and easy failure, the purpose of the present invention is to provide a molybdenum-containing mixed concentrate for copper sulfide ore and galena , Sphalerite, pyrite and bismuth sulfide and other sulfide ores have good inhibitory effects on flotation inhibitors, preparation method and application thereof, said inhibitor has low toxicity, mild separation and flotation process conditions, less consumption and low raw material cost Low, can meet the actual industrial production requirements

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0031] (1) Preparation of inhibitors: Weigh 1 gram of cocamidopropyl betaine, 1 gram of trimercaptotriazine trisodium salt and 1 gram of dextrin and add them to 30° C. water for dissolution, and stir at room temperature for 3 hours to obtain 3 g of mixed solution of separation flotation inhibitor.

[0032] (2) The prepared separation flotation inhibitor is carried out to the actual mineral flotation experiment:

[0033] Firstly, the raw ore containing copper and molybdenum is subjected to flotation to obtain copper-molybdenum mixed concentrate, and then the obtained copper-molybdenum mixed concentrate is directly subjected to separation and flotation experiments.

[0034] After phase and composition analysis, the molybdenum minerals in the copper-molybdenum mixed concentrate mainly exist in the form of molybdenite, and the copper minerals mainly exist in the form of chalcopyrite, and lubricating oil and talc components are detected on the surface of the minerals and contain ab...

Embodiment 2

[0042] (1) Preparation of inhibitors: Weigh 1 gram of cocamidopropyl betaine, 3 grams of trimercaptotriazine trisodium salt and 0.5 gram of carboxymethyl cellulose and add them to 50° C. water for dissolving. Stir for 12 hours to obtain a mixed solution containing 4.5 g of separation flotation inhibitor.

[0043] (2) the prepared separation flotation inhibitor is carried out to the actual mineral flotation experiment:

[0044] First, the raw ore containing lead and molybdenum is subjected to flotation to obtain a lead-molybdenum mixed concentrate, and then the obtained lead-molybdenum mixed concentrate is directly subjected to a separation flotation experiment.

[0045] After phase and composition analysis, the molybdenum minerals in the lead-molybdenum mixed concentrate mainly exist in the form of molybdenite, the lead minerals mainly exist in the form of galena, and the lead-molybdenum mixed concentrate also contains pyrite and sphalerite , argillaceous minerals were detect...

Embodiment 3

[0053] (1) Preparation of inhibitors: Weigh 1 gram of cocamidopropyl betaine, 0.5 gram of trimercaptotriazine trisodium salt and 0.1 gram of gull gum and dissolve them in 70°C water, and stir at 70°C for 20 hours A mixed solution containing 1.6 g of separation flotation inhibitor was obtained.

[0054] (2) the prepared separation flotation inhibitor is carried out to the actual mineral flotation experiment:

[0055] Firstly, the raw ore containing molybdenum and bismuth is subjected to flotation to obtain a molybdenum-bismuth mixed concentrate, and then the obtained molybdenum-bismuth mixed concentrate is directly subjected to a separation flotation experiment.

[0056] According to phase and composition analysis, the molybdenum minerals in the molybdenum-bismuth mixed concentrate mainly exist in the form of molybdenite, and the bismuth minerals mainly exist in the form of bismuthite. The molybdenum-bismuth mixed concentrate also contains pyrite, chalcopyrite and Sphalerite, ...

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Abstract

The invention relates to a separation flotation inhibitor of high impurity system non-molybdenum sulfide minerals and a preparation method. The inhibitor includes a mixture composed of cocamidopropyl betaine, trimercaptotriazine trisodium salt and biomass compounds. . The inhibitor preparation method is obtained by mixing cocamidopropyl betaine, trimercaptotriazine trisodium salt and biomass compounds in water through a thorough homogenization operation. The inhibitor can be used in the separation and flotation process of molybdenum concentrate and non-molybdenum sulfide ore to inhibit the non-molybdenum sulfide ore, thereby flotation separation of the molybdenum concentrate and non-molybdenum sulfide ore. The inhibitor of the present invention is aimed at the molybdenum-containing mixed concentrate of a high impurity system and has the advantages of low toxicity, mild separation and flotation conditions, low dosage and low cost.

Description

technical field [0001] The invention belongs to the field of mineral processing, and in particular relates to a separation flotation inhibitor of non-molybdenum sulfide minerals, in particular to a separation flotation inhibitor of high-impurity non-molybdenum sulfide minerals and a preparation method and application thereof. Background technique [0002] Molybdenum is not only a necessary additive for alloy steel, but also an indispensable raw material for fertilizer, medicine and human body. In addition, molybdenum alloy has the particularity of anti-corrosion and wear resistance, and is often used in rails of high-speed railways, bearings of locomotives, aerospace, military weapons, etc. my country's molybdenum reserves rank second in the world, but more than 80% of the molybdenum ore is of low grade and is symbiotic and associated with copper, lead, zinc, tin, tungsten and other metal minerals. Flotation is a commonly used method for molybdenum extraction. In the flotat...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B03D1/012B03D101/06B03D103/02
Inventor 陈国宝杨洪英丘学民
Owner NORTHEASTERN UNIV LIAONING
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