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Environmental-friendly glue sulfur and molybdenum mineral collecting agent, preparation method and application

An environmentally friendly, collector technology, applied in solid separation, flotation and other directions, can solve the problems of poor selectivity of nickel and molybdenum minerals, environmental damage, etc., and achieve the effects of not easy to deteriorate, long quality guarantee time, and wide source.

Inactive Publication Date: 2018-02-16
SOUTHWEAT UNIV OF SCI & TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] At present, some commonly used collectors, such as kerosene, pentaxanthate, emulsified kerosene, ethiazide, butylxanthate, etc., not only cause great damage to the environment, but also have poor selectivity for nickel-molybdenum minerals

Method used

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  • Environmental-friendly glue sulfur and molybdenum mineral collecting agent, preparation method and application
  • Environmental-friendly glue sulfur and molybdenum mineral collecting agent, preparation method and application
  • Environmental-friendly glue sulfur and molybdenum mineral collecting agent, preparation method and application

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0027] Add 100 parts of talc with an average particle size of 249nm, 15 parts of graphite with an average particle size of 285nm, and 4 parts of paraffin wax with an average particle size of 332nm into a mixer and mix thoroughly, and prepare the above nano-mineral mixture with 11 times the mass of water as a dispersion medium The suspension was fully dispersed after 50W ultrasonic treatment at a constant temperature of 42°C for 13 minutes, left to stand for 0.5h, and then treated with 270W ultrasonic for 8min, after standing for 25.5h, the upper layer of clear water was drawn out, and the residual slurry was dried to obtain the collector of the present invention.

[0028] A flotation test of a nickel-molybdenum ore in Zhangjiajie, Hunan was carried out using the above collectors. The raw ore contains 1.48% molybdenum and 0.75% nickel, and the molybdenum mainly exists in the form of amorphous colloidal sulfur molybdenum minerals. A small-scale closed-circuit test of "two roughi...

Embodiment 2

[0034] Add 100 parts of talc with an average particle size of 275nm, 10 parts of graphite with an average particle size of 265nm, and 25 parts of paraffin wax with an average particle size of 300nm into a mixer and mix them, and use the above-mentioned nano-mineral mixture and 28 times the mass of water as a dispersion medium to prepare a suspension The solution was fully dispersed after 150W ultrasonic treatment at a constant temperature of 35°C for 7.5min, left to stand for 2h, then 195W ultrasonically treated for 12.5min, after standing for 18h, the upper layer of clear water was drawn out, and the residual slurry was dried to obtain the collector of the present invention.

[0035] The flotation test of a nickel-molybdenum ore in Zunyi District, Guizhou was carried out using the above collectors. The raw ore contains 3.17% molybdenum and 1.02% nickel, and the molybdenum mainly exists in the form of amorphous colloidal sulfur molybdenum minerals. A small-scale closed-circuit...

Embodiment 3

[0037] Add 100 parts of talc with an average particle size of 240nm, 60 parts of graphite with an average particle size of 310nm, and 16 parts of paraffin with an average particle size of 320nm into a mixer for mixing, and use the above-mentioned nano-mineral mixture and 18 times the mass of water as a dispersion medium to prepare a suspension After 120W ultrasonic treatment at a constant temperature of 50°C for 3 minutes to fully disperse the solution, let it stand for 3.5 hours, and then use 245W ultrasonic treatment for 10 minutes. After standing for 28 hours, take out the upper layer of clear water and dry the residual slurry to obtain the collector of the present invention.

[0038] A flotation test of a nickel-molybdenum ore in Yunnan was carried out using the above collectors. The raw ore contains 0.54% molybdenum and 0.84% ​​nickel, and the molybdenum mainly exists in the form of amorphous colloidal sulfur molybdenum minerals. A small-scale closed-circuit test of "two ...

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Abstract

The invention provides an environmental-friendly glue sulfur and molybdenum mineral collecting agent which is prepared from the following components in parts by weight: 100 parts of nano talc powder,10-60 parts of nano graphite powder and 1-25 parts of nano paraffin powder. The grain sizes of the nano graphite powder and the nano paraffin powder are 240-350nm. The invention also provides a methodof preparing the collecting agent and an application method of the collecting agent.

Description

technical field [0001] The invention belongs to the technical field of ore dressing, relates to the technical field of flotation of colloidal molybdenum minerals, and in particular relates to an environment-friendly collector of colloidal sulfur molybdenum minerals, a preparation method and an application. Background technique [0002] Molybdenum is a silver-white metal, hard and tough, with a high melting point and relatively high thermal conductivity. It does not react with air under normal temperature. Because molybdenum has the advantages of high strength, high melting point, corrosion resistance and wear resistance, it is widely used in the fields of steel, petroleum, chemical industry, electrical and electronic technology, medicine and agriculture, and is a strategic metal resource in the 21st century. Molybdenum mainly comes from molybdenite, but with the continuous mining of resources, the demand for the development and utilization of other molybdenum resources is be...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B03D1/002B03D101/02B03D103/02
Inventor 王振肖军辉徐龙华王进明傅开彬张海阳
Owner SOUTHWEAT UNIV OF SCI & TECH
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