Purification method for gallium

A purification method and gallium metal technology, applied in the direction of improving process efficiency, etc., can solve the problems of increasing production cost, increasing gallium metal loss, consumption of chemical reagents and electric energy, etc., and achieve quality assurance, simple operation method, and easy automatic control Effect

Active Publication Date: 2013-04-10
BEIJING JIYA SEMICON MATERIAL
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

This patented process separates different types of materials like aluminium from molybdenum or tungsten while also removing other substances that may be harmful if they were mixed with them during production. By doing this, it ensures high-quality pure gold can be produced efficiently at an affordable cost compared to current methods such as precipitation techniques which require expensive chemical agents.

Problems solved by technology

The technical problem addressed in this patented text relates to improving the efficiency at manufacturing highly pure metallurgically produced galliums while reducing costs associated therewith during their mass production processes.

Method used

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  • Purification method for gallium
  • Purification method for gallium
  • Purification method for gallium

Examples

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Effect test

example 1

[0036] A kind of purification method of metal gallium provided by the invention:

[0037] (1) Place 100 kg of 3N liquid gallium metal in the monomer equipment, add 3N analytically pure hydrochloric acid, start stirring for a full stirring reaction for 1 hour, keep the temperature in the equipment at 40-50°C, and turn on the ultrasonic wave after the stirring reaction is completed Vibration equipment vibrates liquid metal gallium to separate gallium sponge; or ultrasonic vibration is performed while stirring and reacting to further separate impurity elements such as sponge.

[0038] (2) Freezing and crystallizing the separated liquid gallium metal. The temperature is kept between 20-30°C. After about 40-45% by weight of the liquid gallium is solidified, the solid is taken out and melted, and the freezing crystallization and melting process is repeated 3 times To purify, this step is mainly to further separate the heavy metal impurities.

[0039] (3) Put the gallium metal after...

example 2

[0042] A kind of purification method of metal gallium provided by the invention:

[0043] (1) Put 100 kg of 3N liquid gallium metal in the monomer equipment, add 4N analytically pure hydrochloric acid, turn on the stirring for a sufficient stirring reaction for 2 hours, keep the temperature in the equipment at 40-50°C, and turn on the ultrasonic wave after the stirring reaction is completed Vibration equipment vibrates and stratifies liquid metal gallium to separate metal impurity elements such as sponge gallium; or ultrasonic vibration is performed while stirring and reacting to separate impurity elements.

[0044] (2) Freezing and crystallizing the separated liquid gallium metal. The temperature is kept between 10-15°C. After about 45-50% of the weight of the liquid gallium is solidified, the solid is taken out and melted, and the process of freezing and crystallization is repeated 3 times. To purify, this step is mainly to further separate the heavy metal impurities.

[00...

example 3

[0048] According to the invention:

[0049](1) Put 100 kg of 3N liquid gallium metal in a single device, add 5N analytically pure hydrochloric acid, start stirring for a full stirring reaction for 3 hours, keep the temperature in the device at 40-50°C, and turn on the ultrasonic wave after the stirring reaction is completed Vibration equipment vibrates liquid metal gallium to separate impurity elements such as gallium sponge; or ultrasonic vibration is performed while stirring and reacting to further separate impurity elements such as gallium sponge.

[0050] (2) Freezing and crystallizing the separated liquid gallium metal. The temperature is kept between -1°C and 8°C. After about 35-40% of the weight of the liquid gallium is solidified, the solid is taken out and melted, and the freeze crystallization is repeated 3 times The melting process is used for purification, and this step is mainly to further separate heavy metal impurities.

[0051] (3) Put the gallium metal after ...

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Abstract

The invention provides a purification method for gallium, which comprises the following steps of pre-purification, freezing crystallization, pickling, and packaging, wherein in the pre-purification step, liquid gallium is put into single equipment containing pickling liquid for stirring reaction, ultrasonic vibration is adopted, and spongy gallium impurities are separated from the liquid gallium preliminarily; in the freezing crystallization step, the liquid gallium separated preliminarily is subjected to freezing crystallization treatment, and heavy metal impurities in the gallium are removed; in the pickling step, the gallium subjected to the freezing crystallization treatment is placed into the single equipment for heating and fusing, a pickling solution is added and stirred, and the gallium is separated from spongy gallium through the ultrasonic vibration after stirring; and in the packaging step, the gallium separated after the pickling step is completed is packaged. The purification method can better achieve a purification effect; the purification flow is simple; the purification method can be automatically controlled easily, and is safe, environment-friendly and power-saving; no special equipment is required; and the enterprise cost is lowered.

Description

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Claims

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Application Information

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Owner BEIJING JIYA SEMICON MATERIAL
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