Floating and collecting agent of bertrandite beryllium ores and application thereof

A technology of hydroxysilicate and collector, which is applied in the field of rare metal ore flotation agents, can solve the problems of poor flotation collection effect, achieve good selective collection capacity, increase recovery rate, and superior collection performance Effect

Inactive Publication Date: 2010-06-02
CENT SOUTH UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Aiming at the problem of poor flotation collection effect of hydroxysilicate-like beryllium oxide ore resources, the purpose of the present invention is to provide a

Method used

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  • Floating and collecting agent of bertrandite beryllium ores and application thereof
  • Floating and collecting agent of bertrandite beryllium ores and application thereof

Examples

Experimental program
Comparison scheme
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Embodiment 1

[0016] Adopt collector described in the present invention: molecular formula is C 7 h 7 NO 2 , benzohydroxamic acid, conducted a laboratory flotation study on a beryllium oxide ore in Hunan. The main beryllium mineral is beryllium oxide, accompanied by other metal minerals, and the main gangue minerals are quartz, calcite, feldspar, etc. The beryllium content in the ore is about 0.10%, and the main beryllium mineral is hydroxysilicate, accounting for about 90%. Due to the low grade of the original ore and the complex composition of the gangue, it is difficult to separate the hydroxysilicate and the gangue. This ore belongs to the beryllium oxide ore that is difficult to process. Because beryllium oxide ore is difficult to collect, in view of ore properties, in the traditional oxidized ore flotation process, add collector 800g / t of the present invention, stir for 15 minutes, pine oil 20g / t, stir for 3 minutes , flotation for 6-9 minutes, through one roughing and one benefici...

Embodiment 2

[0018] closed circuit test

[0019] Adopt collector described in the present invention: molecular formula is C 7 h 7 NO 2 , Benzohydroxamic acid, used in conjunction with oleic acid (1:1) emulsification, a small-scale test was carried out on the actual ore of a beryllium oxide mine in Xinjiang, and good technical indicators were obtained. A beryllium deposit in Xinjiang is a medium-low temperature volcanic hydrothermal deposit, the mineralization occurs in tuff, and the ore body extends in a plate shape. The basically proven reserves of beryllium oxide are more than 500 tons, but the grade of beryllium oxide is low. According to the results of process mineralogy analysis, the raw ore beryllium grade of beryllium ore in the mining area is low, 0.17%, the main beryllium mineral is hydroxysilicate, accounting for 95%, and the gangue includes quartz, albite, potassium feldspar, fluorite, etc. , the nature of the ore is complex. Because there are a large number of silicon-cont...

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Abstract

The invention relates to a floating and collecting agent of bertrandite beryllium ores and application thereof. In the invention, benzohydroxamic acid is used as an organic compound collecting agent, and after benzyl is introduced to hydroximic acid, the selective collecting capacity to beryllium ores of hydroximic acid medicaments is improved. The floating and collecting agent is used for the flotation of the bertrandite beryllium ores, has excellent selective collecting property and is a high-efficiency floating and collecting agent for the beryllium ores.

Description

technical field [0001] The invention belongs to the field of flotation agents for rare metal ores, and relates to a flotation collector, in particular to a flotation collector suitable for hydroxysilicate-like beryllium ores and an application thereof. Background technique [0002] It is understood that beryllium is a rare metal with an average content of only 0.0003% in the earth's crust, but it has excellent physical and mechanical properties and is widely used in the atomic energy industry, aerospace and electronics industries, especially because of its use in X-ray tubes It is called "nuclear age metal" and "cosmic age metal" because of its large number of applications. It is a deoxidizer and additive for various alloys. It is known as "metallic glass" and has a very broad market prospect. China is very rich in beryllium ore resources, 15 provinces (regions) have output, and there are 77 mining areas with proven reserves, and the total reserves rank second in the world. ...

Claims

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Application Information

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IPC IPC(8): B03D1/01B03D103/04B03D101/02
Inventor 胡岳华黄红军孙伟耿志强
Owner CENT SOUTH UNIV
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