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Method of separating and purifying zircon fron basic rock

A basic rock and pure zircon technology, applied in the direction of zirconium sulfate, etc., can solve the problem of coarse particle size of the monomer, achieve the effect of simple equipment, convenient operation, and improved separation efficiency

Inactive Publication Date: 2006-03-29
GUANGZHOU INST OF GEOCHEMISTRY - CHINESE ACAD OF SCI
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  • Summary
  • Abstract
  • Description
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Problems solved by technology

Moreover, the above method is only suitable for acidic rocks with high zircon content and coarse monomer particle size.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0021] Take 10kg of basic rock samples from northeast Yunnan basalt, crush them with a 60×100 non-polluting corundum jaw crusher, MP-￠250 disc crusher and sieve, and crush them to particles with a particle size of 0.09-0.125mm.

[0022] Divide the sample particles 10 times, 1Kg each time, pour into the prepared basin, add 10L of water, stir for 10min with a JB-3 type agitator at a speed of 1600r / min, to fully disperse the sample; settle for 3min after stirring, and The upper layer of mud was poured out, and the lower layer of slurry was dried and weighed 7Kg. Then use a U-shaped magnet to remove strong magnetic minerals such as magnetite, and weigh 6800g. Then put in three magnetic rods with the magnetic force of 1500, 5000 and 10000 Gauss respectively. The middle of each magnetic rod is a permanent magnet, and the outside is packed in stainless steel with a diameter of 25.4mm and a length of 400mm. The magnetic force is 1500 Gauss. The rod sucks iron-containing minerals such...

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Abstract

A process for separating zircon from basic rock and purifying it includes such steps as crushing and pulverizing basic rock, magnetic stirring while removing strong magnetic substance by U-shaped magnet, using three magnetic rods to respectively remove weak magnetic, strong electromagnetic and weak electromagnetic minerals, using miniature shaker to remove the most of light mineral, electromagnetically fine separation by multi-purpose magnetic analyzer, using heavy diiodomethane solution for separation in separating funnel to remove light minerals and examine by binocular microscope. Its advantages are high purity (more than 99%) and short period.

Description

technical field [0001] The invention relates to a method for sorting and purifying zircons, in particular to a method for sorting and purifying zircons from basic rocks. Background technique [0002] Zircon is a non-magnetic mineral with a relative density (specific gravity) of 4.4 to 4.8. Zircon is currently widely used in various analytical tests in geological science research. For example, using the U-Pb method of SHRIMP to accurately determine geological age requires high-purity zircon. [0003] At present, the zircon deposits with industrial application value are mainly seaside placer, which contain high zircon content, and according to the different properties of the associated minerals in the placer, electric separation, magnetic separation, flotation, One of the single methods such as re-selection or a combination of these methods are used for separation and purification. Since the instruments and equipment used are large-scale equipment with a daily processing cap...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C01G25/06
Inventor 李卫
Owner GUANGZHOU INST OF GEOCHEMISTRY - CHINESE ACAD OF SCI
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