The Difference Between Polymer Cryolite and Regular Cryolite
High-molecular-ratio cryolite refers to cryolite with a sodium-to-fluorine molecular ratio ranging between 2.8 and 3.0. This type of cryolite contains fewer impurities, boasts a higher recovery rate, and is particularly popular among cryolite customers. In contrast, "ordinary" cryolite has a molecular ratio between 1.0 and 2.8, resulting in higher impurity levels compared to high-molecular-ratio cryolite. Currently, due to the relatively immature state of China's cryolite production technology, ordinary cryolite remains more widely used than high-molecular-ratio cryolite.
How does the molecular ratio of cryolite differ from that of ordinary cryolite, and how does this difference affect its performance during use?
Due to the difference in molecular ratio, polymorphic cryolite exhibits slightly different physicochemical properties compared to conventional cryolite. Cryolite is widely used in the aluminum smelting industry, and research has shown that polymorphic cryolite can reduce salt volatilization and minimize hydrolysis losses. When applied in newly started electrolytic cells, polymorphic cryolite helps maintain optimal electrolyte temperatures, thereby extending the lifespan of the cells. Additionally, it lowers both the moisture content and the burn area of the final product, leading to cost savings and significantly improving product quality. From an environmental perspective, polymorphic cryolite generates less pollution and is more eco-friendly than conventional cryolite.
In the future development of cryolite, as cryolite production technologies advance, the advantages of high-molecular-ratio cryolite will become even more pronounced, and its applications will expand to an even broader range.
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