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Chemical extraction method and apparatus for metal gallium

An extraction device and gallium metal technology, applied in the field of gallium metal chemical extraction methods and devices, can solve the problems of difficult to be widely used in industrial production, low efficiency of extraction devices, poor extraction effect, etc., achieve remarkable purification effect, easy promotion, and low cost Effect

Active Publication Date: 2009-04-22
朝阳金美镓业有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

But when the density of the two liquids is very different, except for the container tumbling extraction device, the efficiency of other extraction devices is very low, and the tumbling extraction device is difficult to be widely used in industrial production due to its complex structure except for laboratory use
In order to remove some impurities in liquid gallium, extraction methods are also used, but because the density of liquid gallium is 6 times greater than that of aqueous chemical reagents, the extraction effect of ordinary extraction devices is very poor, and it has not been used in industrial production in the prior art high-efficiency extraction device

Method used

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  • Chemical extraction method and apparatus for metal gallium
  • Chemical extraction method and apparatus for metal gallium

Examples

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Embodiment 1

[0012] Embodiment 1: as figure 1 As shown, a gallium metal chemical extraction device includes an extraction vessel 2, the bottom of the extraction vessel 2 has a hole 4, compressed gas is blown into the extraction vessel 2 through the hole 4, and the hole 4 is provided with a one-way valve The sheet 1 makes the compressed gas flow in one direction and prevents the liquid 3 in the extraction container 2 from flowing out. The compressed gas can be an inert gas or purified air. When the compressed gas is blown in from the bottom of the extraction vessel, it will cause violent agitation to the liquid gallium in the lower part of the vessel, making the liquid gallium with a higher density chemically react with the aqueous solution with a lower density. The reagents are fully contacted to form an air flow to disturb the extraction effect, which greatly improves the extraction efficiency. According to the experimental data, the liquid gallium is extracted three times by the device ...

Embodiment 2

[0013] Embodiment 2: as figure 2 As shown, a gallium metal chemical extraction device includes an extraction vessel 2, a unidirectional conduit 1 is provided at the bottom of the extraction vessel 2, and compressed gas is blown into the extraction vessel 2 through the conduit 1. The conduit is provided with a one-way valve 4 to allow the compressed gas to flow in one direction and prevent the liquid 3 in the extraction vessel 2 from entering the conduit 1 .

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Abstract

The invention discloses a chemical extraction device for metallic gallium. The device comprises an extraction container, wherein the bottom of the extraction container is provided with a hole; compressed gas is blown into the extraction container through the hole; and the hole is provided with a one-way valve plate for preventing liquid in the extraction container from flowing out. A chemical extraction device for metallic gallium comprises a step of leading gas into the bottom of the extraction container so as to roll and stir the liquid in the extraction container. The invention greatly improves extraction efficiency and obtains extremely good extraction effects. Experimental data shows that the content of zinc and copper in liquid gallium can be reduced from 500-300 ppm to less than 1 ppm after the liquid gallium is extracted three times by use of the device, so the invention is remarkable in purification effects. The device has the advantages of simple structure, low cost, convenient maintenance and easy popularization, thereby laying a low-cost industrialized mass-production foundation for further extracting high-purity metallic gallium.

Description

technical field [0001] The invention relates to an extraction device, in particular to a metal gallium chemical extraction method and device. Background technique [0002] When two immiscible liquids are put together, when they are violently stirred, a certain solute in one liquid state has a greater affinity for the other liquid state, and the solute will enter the other liquid in large quantities In chemistry, this phenomenon is called extraction. The extraction phenomenon occurs, which is caused by the simple difference in solubility in two liquids, or due to complexation reaction or chelation in one of the liquids, resulting in different solubility, or due to the difference in solubility in one of the liquids. caused by a chemical reaction. Most of the extraction operations are between aqueous solution and organic solution, so it is often called organic extraction, and a few are also extracted with inorganic reagents. [0003] The extraction process occurs at the inte...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C22B58/00C22B3/26
CPCY02P10/20
Inventor 范家骅
Owner 朝阳金美镓业有限公司
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