Strontium Chloride: Upgrading to Main Direction
In recent years, the cesium chloride industry in China has experienced significant growth. According to available data, over 20 companies across 11 provinces and regions are involved in the production of barium chloride, with an annual production capacity reaching 470,000 tons. As a result, China has become one of the world's leading producers and consumers of barium chloride, exporting its products globally. The quality and reputation of Chinese barium chloride have earned it a strong presence in international markets. For instance, in 2005 alone, China exported 320,000 tons of barium chloride, generating approximately $11.62 million in revenue.
China possesses a unique advantage in terms of natural resources for barium chloride production. The primary raw material is barite ore, along with toxic heavy stone, which is a rare mineral. Globally, proven barite reserves amount to about 2.2 billion tons, with China holding nearly 46% of these reserves. Barite deposits are found in 23 provinces and autonomous regions, with Guizhou being the most abundant, followed by Guangxi, Hunan, Hubei, and others. Toxic heavy stone, on the other hand, is extremely rare, with only the UK and China having discovered such deposits. While the UK’s deposits were exhausted, China has identified substantial reserves, including 40 million tons in Dabashan and South Qinling, as well as 25 million tons of antimony carbonate in areas like Houyu and Xinyi. These deposits are stable and well-layered, with ore bodies ranging from 400 to 1,900 meters long and up to 1.5 meters thick. Recent extraction methods have achieved a barium carbonate content of around 77%, providing a solid foundation for the continued development of the cesium chloride industry.
Despite this, the current production level of barium chloride in China still needs improvement. The utilization rate of barite or toxic heavy stone is currently around 65%, compared to over 82% in foreign countries. However, through continuous research and innovation, China has made notable progress in recent years. Efforts have been focused on improving resource efficiency and reducing waste. For example, the use of caustic soda to absorb hydrogen sulfide gas during production has successfully reduced air pollution. Additionally, closed-loop water recycling systems have been implemented, and waste slag is now transformed into building materials like hollow bricks, turning waste into valuable products and boosting economic returns.
With rising market demand, users are placing higher expectations on product quality, especially regarding sulfur and iron content. This has led to increased research efforts to improve purity levels. Barium chloride can be categorized into different grades, such as industrial, electronic, high-purity, ultra-high-purity, and nano-grade. However, China currently lacks national standards for high-purity and nano-grade products, despite some companies working on their development. As a result, many high-end products are still dominated by Japanese, German, and U.S. manufacturers, making imports necessary and costly.
Experts emphasize that the future of the cesium chloride industry depends heavily on technological advancement. High-purity and nano-sized barium chloride are seen as the most promising segments. To stay competitive, China must focus on industrial upgrading, moving towards more refined and specialized production. This includes enhancing automation, mechanization, and modernization of processes.
To accelerate industrial upgrading, the industry should aim for greater concentration and scale. Companies should merge and collaborate based on regional and market conditions to form large, integrated enterprises capable of competing globally. Technological innovation is also key—investing in new technologies, equipment, and processes will help improve efficiency and reduce environmental impact.
Furthermore, there is a need to enhance precision and innovation in product development. Expanding the application fields of barium chloride and improving product quality will better meet user demands. Collaboration among companies and shared technological advancements will be essential for sustainable growth.
Finally, corporate social responsibility and environmental protection must be prioritized. Implementing clean production technologies and transitioning from a linear to a circular economy model will ensure long-term sustainability. By minimizing resource consumption and environmental costs, the industry can support both economic and ecological development effectively.
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