China Drying Network Recently, the Sichuan Provincial Government announced the "Sichuan Provincial People's Government's Decision on the First Sichuan Patent Award Award 2013". Sichuan Tianqi Lithium Co., Ltd.'s patented lithium sulfate solution produces low-magnesium battery-grade lithium carbonate. The method won a special award with a bonus of 300,000 yuan.
The patented achievement uses spodumene as raw material, adopts the sulfuric acid production process, adjusts the pH value, and directly produces a battery-grade lithium carbonate product after complexation and impurity removal. The patented method is a one-step method for producing battery-grade lithium carbonate directly. The process is short, the production cost is low, and it can meet the needs of the high-end market. Since the implementation of this patent in 2007, the economic and social benefits of industrialization have been significant. The patent won the 15th China Patent Gold Award last year.
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