Magnetic levitation combined beneficiation method for biotite type ore containing rubidium

A mineral processing method, biotite technology, applied in flotation, chemical instruments and methods, magnetic separation, etc., can solve the problems of few research reports on dressing and smelting, and achieve the effect of meeting industrial production requirements, low equipment damage, and high-efficiency recovery

Active Publication Date: 2018-11-16
CENT SOUTH UNIV
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Problems solved by technology

However, there are few reports on the dressing and smelting of biotite-type associated rubidium minerals, and there is

Method used

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  • Magnetic levitation combined beneficiation method for biotite type ore containing rubidium

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Effect test

Embodiment 1

[0033] The biotite-type rubidium-containing ore in a certain place in Guangdong has a rubidium grade of 0.12%, and the gangue minerals mainly include quartz and feldspar.

[0034]The ore is ground to -0.074mm, accounting for 62%, the concentration of the ore grinding pulp is 66.7%, and the concentration of the prepared pulp is 25%, and then enters the strong magnetic separator for magnetic separation. The magnetic field strength is 1.45T. After each magnetic separation, water After rinsing, magnetic separation is performed for the second time, and the number of magnetic separations is four times to obtain magnetic separation concentrates I-IV respectively, and the grade of rubidium oxide in the magnetic separation concentrate is 0.22%. The magnetic separation concentrates III and IV enter the grinding machine for secondary grinding through slurry adjustment. The pulp concentration of the grinding is 65%, and the grinding products enter the flotation machine for flotation. The ...

Embodiment 2

[0040] The biotite-type rubidium-containing ore in a certain place in Sichuan has a rubidium grade of 0.1%, and the gangue minerals mainly include quartz, feldspar and calcite.

[0041] The ore is ground to -0.074mm, accounting for 65%, the concentration of the ore grinding pulp is 66.7%, and the concentration of the prepared pulp is 30%, and then enters the strong magnetic separator for magnetic separation. The magnetic field strength is 1.5T. After each magnetic separation, water After rinsing, magnetic separation is performed for the second time. The number of magnetic separations is four times to obtain magnetic separation concentrates I-IV respectively. The grade of rubidium oxide in the magnetic separation concentrate is 0.21%. The magnetic separation concentrates III and IV enter the ore grinding machine for secondary grinding through slurry adjustment, and the concentration of the ore pulp is 60%, and the grinding products enter the flotation machine for flotation. The...

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Abstract

The invention discloses a magnetic levitation combined beneficiation method for biotite type ore containing rubidium. According to the method, the biotite type ore containing rubidium is subjected toprimary ore grinding and size mixing, obtained ore pulp is subjected to four times of magnetic separation through a high-gradient wet type high-intensity magnetic separator, magnetic concentrate I-IVis sequentially obtained, and remaining ore is magnetic separation tailings; and after the magnetic separation tailings and the magnetic concentrate III-IV are correspondingly subjected to secondary ore grinding and size mixing, then floatation separating is performed, and flotation concentrate products are obtained. According to the method, due to strong magnetic separation and combined flotation, rubidium in the biotite type ore containing rubidium is recycled step by step, efficient enriching of rubidium is achieved, the comprehensive recycling efficiency of rubidium is improved, the gradeof rubidium oxide in the concentrate is improved to 0.22%-0.28%, the total recycling rate of rubidium reaches 75.5%-84.22%, and economic benefits are remarkably improved.

Description

technical field [0001] The invention relates to a beneficiation method of biotite-type rubidium-containing ore, in particular to a method for improving rubidium grade and rubidium recovery rate in concentrate through a combined strong magnetic separation-flotation beneficiation process, and belongs to the technical field of mineral processing. Background technique [0002] Rubidium has very active chemical properties, and has excellent photoelectric, conductive, and catalytic properties. It is widely used in the fields of national defense, aviation, electronics, and medicine. Rubidium is a rare dispersed heavy alkali metal, which has not been found to occur in the form of independent minerals so far. It mainly occurs in feldspar, lepidolite, cesium garnet, salt lake brine and seawater. At present, there are many researches at home and abroad on the extraction of associated rubidium oxide in lepidolite and rubidium in salt lake brine. Evaporation, concentration and precipit...

Claims

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Application Information

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IPC IPC(8): B03B9/00B03C1/00B03D1/018B03D101/02B03D101/06B03D103/04
CPCB03B9/00B03C1/002B03D1/018B03D2201/005B03D2201/007B03D2201/02B03D2201/06B03D2203/04
Inventor 贺治国曾强
Owner CENT SOUTH UNIV
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