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High-Purity Magnesium Extraction Technology
High-Purity Magnesium Extraction Technology
The Lop Nur Salt Lake is, to date, the largest discovered brine deposit in China characterized by potassium-bearing magnesium sulfate brines. The brine resources of magnesium chloride and magnesium sulfate in the lake exceed 11 billion tonnes. The annual accumulation of magnesium chloride not only results in substantial waste of magnesium resources but also gives rise to “magnesium-induced damage,” disrupting the production balance of potash fertilizers. Therefore, it is imperative to conduct research on the comprehensive utilization of the legacy magnesium chloride resources in the Lop Nur Salt Lake.
Through a series of experimental studies—including the selection of precipitants, optimization of precipitation methods, investigation of preconditions for the precipitation process, and exploration of precipitant recovery and treatment techniques—researchers at a comprehensive research institute in China have developed a two-stage magnesium precipitation method for preparing precursors, followed by calcination of these precursors to produce high-purity magnesium. The resulting product exhibits a purity exceeding 98%, with particle sizes down to the nanoscale, and all performance indicators meet the requirements for Grade-1 products. High-purity magnesium It can be widely applied in fields such as electronics, electrical appliances, optics, instrumentation, metallurgy, national defense, and aerospace, with high product added value.
The application of high-purity magnesium extraction technology can significantly enhance the comprehensive utilization rate of potash resources in the Lop Nur region, thereby contributing to the sustainable development of the Lop Nur salt lake resources.
The production process for high-purity magnesium is complex, with stringent physicochemical specifications. To further enhance product performance and related quality metrics, a dedicated data-visualization-based production system has been implemented.
The extraction of high-purity magnesium involves four steps: electrolysis, melting, crystallization, and crushing.
In the past, each step was performed by skilled technicians based on their experience. To make production more standardized and efficient, these four steps have been translated into empirical data.
1. Automatic power control: The Z-type advanced digital smelting furnace uses automated instrumentation to collect empirical data and implement instrument-based control, ensuring stable and optimal current.
2. During the smelting process, the temperature often reaches 3,200°C, as the electric arc furnace is heated by the electrode arc, which can cause electrode erosion. The electrode controller is regulated by a temperature sensor, which automatically adjusts the electrode’s extension and retraction based on the temperature, ensuring that each heating cycle achieves optimal arc performance.
3. Melting needs to be controlled. High-purity magnesium The crystallization temperature is maintained by employing a rapid semi-automatic furnace-changer method to ensure proper cooling of the crystallization process.
4. Crushing is controlled using standard duration settings, with the crushing equipment operated via timer and remote control.
Data is uploaded from the acquisition ports of each device to the central control room’s server for collection and data organization, with the aim of maintaining consistent and stable quality across all batches.
There is much more to know about high-purity magnesium. If you would like a comprehensive understanding of all aspects of high-purity magnesium, please contact us. High-purity magnesium Manufacturer. With many years of experience in this industry, we can help you gain a deeper understanding of high-purity magnesium, enabling you to make better use of it and ensure that it contributes to the advancement of our industrial sector.
Henan Mingmei Magnesium Technology Co., Ltd.
Phone:+86-392-3658888 / 3659999
Email:hnmingmei@163.com
Address: Hebi National Economic and Technological Development Zone, Henan Province
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