The pyrite processing unit of Hubei Xinxiangyun phosphorus-based new materials project was successfully put into operation
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The pyrite processing unit of Hubei Xinxiangyun Phosphorus-based New Materials Project was successfully put into operation. On January 1, the 400,000 tons per year pyrite-to-acid production unit of the Hubei Xinxiangyun Phosphorus-based New Materials Project, operated by the Shandong branch of China National Chemical Engineering Corporation, was successfully commissioned. This device uses sulfur concentrate as raw material and adopts an advanced \"3+1\" two-turn two-suction process to produce 92.6% concentrated sulfuric acid. It utilizes domestically produced high-efficiency low-pressure drop catalysts as well as fiber mist eliminators; the overall conversion rate of sulfur dioxide in this entire process exceeds 99.8%, while the absorption rate of sulfur trioxide is 99.9%. The device was fed with materials on December 26, 2025, and produced products on December 27; as of today, it has achieved stable operation. The project is located in Makou Industrial Park, Wuque City, Huanggang City, Hubei Province. It is a key project in Hubei Province and the industrial project with the largest investment scale in Huanggang City. Among its components, the 400,000 tons per year sulfuric acid production facility using pyrite is the core component of this project. As a successful example of the company’s achievements in the sulfur chemical industry, this project laid a solid foundation for the company to undertake similar major projects in the future and provided valuable practical experience.
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