[Dry goods]Starting graphite purification 5 major processes and progress
发布时间 : 2022-04-28
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[Dry goods]Starting graphite purification 5 major processes and progress
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- Time of issue:2022-04-28
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(Summary description)Graphite is an important resource of non-metallic minerals. Graphite has good anti-corrosion, anti-radiation, electrical conductivity, thermal conductivity, self-lubrication, high and low temperature resistance, and has an important strategy in national economic development, scientific and technological modernization and national defense construction.
[Dry goods]Starting graphite purification 5 major processes and progress
[Dry goods]Starting graphite purification 5 major processes and progress
[Dry goods]Starting graphite purification 5 major processes and progress
(Summary description)Graphite is an important resource of non-metallic minerals. Graphite has good anti-corrosion, anti-radiation, electrical conductivity, thermal conductivity, self-lubrication, high and low temperature resistance, and has an important strategy in national economic development, scientific and technological modernization and national defense construction.
- Categories:Company news
- Author:
- Origin:
- Time of issue:2022-04-28
- Views:1
Information
Graphite is an important resource of non-metallic minerals. Graphite has good anti-corrosion, anti-radiation, electrical conductivity, thermal conductivity, self-lubrication, high and low temperature resistance, and has an important strategy in national economic development, scientific and technological modernization and national defense construction. The supporting role has been listed as a national strategic resource by the United States and many other countries. Graphite and its products are the basic raw materials for modern high-temperature, high-pressure, high-speed industries and modern biology, information, and energy, as well as the key materials and multifunctional environmental protection materials for modern high-tech industries, and also the nuclear, aerospace and defense military fields (such as atoms It is an indispensable strategic material for the moderator in the heap, the stealth material in the optoelectronic countermeasures, and the graphite bomb that attacks the enemy's power system.
The processing of graphite raw materials into graphite materials must first of all be purified technically and then processed in terms of particle size, morphology or properties depending on the field of application. The quality of graphite purification determines the use characteristics and overall performance of graphite materials. The higher the purity of graphite, the higher the application value. Whether for raw materials for synthetic diamond, cathode materials for lithium ion batteries, bipolar materials for fuel cells, sealed, thermally conductive flexible graphite materials, or special graphite materials for the aerospace, defense, and nuclear industries, graphite is required Purity is 99% to 99.99% carbon, even higher.
The purification of graphite is the basis for the preparation of all graphite materials and is a common problem in the development of graphite materials. The characteristics of graphite resources are introduced in this paper. The current technological status of graphite purification technology is introduced in detail from the aspects of flotation, alkaline acid, hydrofluoric acid, chlorination, high temperature and so on. The development direction of graphite purification is prospected.
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