Recently, it was learned from Xinjiang Tianye Group that ultra-low-mercury catalysts organized and researched and developed by Xinjiang Tianye Group Research Institute have obtained national invention patent authorization. This is another national invention patent that was once again obtained in the core technology field of mercury emission reduction after the Tianye Research Institute obtained a national invention patent after solid mercury catalyst, mercury-free catalyst, and high-efficiency vapor-phase mercury recovery process.
After the Tianyin Group's research and development and production of solid mercury catalysts, the Tianye Group Research Institute continued to conduct in-depth research after the 2012 mercury plant with a total capacity of 1 million tons in Xinjiang achieved low mercury. Through formula improvement, supplemented by special technical means and production control, the mercury content of the catalyst is reduced to less than 4% without affecting the use of the catalyst. Mercury chloride has been reduced by more than 30% compared to existing low solid-solid mercury catalysts. The company's R&D personnel conducted an industrial sideline experiment on the technology, which has been running for more than 2,500 hours. The use effect is equivalent to the solid mercury catalyst in the same period. It is expected that the industrialized production will consume less than 1.2kg per ton of PVC catalyst and the overall technical level will reach the domestic level. (Correspondent Chen Cailai and Wang Xiaochang, reporter Zhu Xi)
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