Xinzhoubang plans to build a fluorine chemical project in Sanming City, Fujian Province

On December 12, 2024, environmental impact assessments for three fluorine chemical projects in Fujian Province were made public, signaling an acceleration in the progress of these projects. According to Inner Mongolia Chemical Industry, the Ecology and Environment Bureau of Sanming City, Fujian Province has accepted the environmental impact assessment documents for projects related to fluorine-containing new materials and improvements in clean production, as well as technical renovation projects for fluorine-based materials such as perfluoropolyethers and electronic-grade hydrofluoric acid. The basic details are as follows: 1. Fluorine-containing new materials and improvements in clean production Project name: Fluorine-containing new materials and improvements in clean production ； Construction unit: Fujian Sanming Jinfu Chemical Technology Co., Ltd ； Construction nature: Renovation and expansion ； Project investment: 50 million yuan ； Construction location: Huangsha New Materials Recycling Industrial Park, Sanyuan District, Sanming City, Fujian Province ； Construction timeline: December 2024 – December 2026 ； Construction scale: It is planned to build a production line for electronic-grade hydrofluoric acid with an annual capacity of 20,000 tons, a production line for high-purity antimony pentafluoride with an annual capacity of 30 tons, a production line for polyferric sulfate with an annual capacity of 60,000 tons, a production line for polyaluminum ferric chloride with an annual capacity of 60,000 tons, and a production line for fluorinated graphite (carbon fluoride) with an annual capacity of 2 tons.

Project features: ① The main processes of the electronic-grade hydrofluoric acid production line include arsenic removal, distillation, absorption cooling, and mixing. The primary raw materials and auxiliary substances are anhydrous hydrofluoric acid, fluorine gas, and pure water； ②The main processes in the high-purity antimony pentafluoride production line include fluorination and distillation, with the primary raw materials being refined antimony and fluorine gas ； ③The main processes in the ferric sulfate polymerization production line include mixing and dissolution, oxidation reaction, hydrolysis, and polymerization. The primary raw materials and auxiliary substances are ferrous sulfate, sulfuric acid, mother liquor (iron-containing wastewater), oxygen, sodium nitrite, and pure water ； ④The main processes in the polyaluminum ferric chloride production line include polymerization, precipitation, and pressure filtration. For the production of solid polyaluminum ferric chloride, spray drying is also required to remove moisture. The main raw materials and auxiliary materials include aluminum hydroxide, calcium aluminate, mother liquor (iron-containing wastewater), hydrochloric acid, and aluminum sludge ； ⑤The main processes in the fluorinated graphite (carbon fluoride) production line include drying, screening, high-temperature treatment, fluorination, washing with water, washing with alkali, and drying. The primary raw materials and auxiliary substances are carbon powder, fluorine-nitrogen mixed gas, pure water, and sodium hydroxide solution. Public information shows that Fujian Sanming Jinfu Chemical Technology Co., Ltd. is located in the Jinfu Chemical Plant area of the Huangsha Industrial Cluster in Sanyuan District (No. 22, Huangshadu Touping), and it is a company specialized in the research, development, production, and sales of fluorine chemical products.

II. Technical renovation project for fluorine-based material products such as perfluoropolyethers Project name: Technical renovation project for fluorine-based material products such as perfluoropolyethers； Construction unit: Sanming Haishifu Chemical Co., Ltd ； Construction location: Industrial Cluster Zone, Mingxi County, Sanming City ； Project investment: 50 million yuan ； Construction nature: Renovation and expansion ； Construction scale: Add 1,500 t/a of perfluoropolyether, 900 t/a of perfluoroalkyl ether series products, 800 t/a of hydrofluoroether series products, and 500 t/a of fluorosurfactant series products. The production process for the bisphenol AF series products will be upgraded, with the production capacity remaining at 100 t/a ； Cancel the 100t/a perfluoropolyether production line. Public information shows that Haisufu Chemical Co., Ltd. is located in Mingxi County, Sanming City, Fujian Province. Established in August 2007, it has a registered capital of 15.1 million yuan. It is a private technology enterprise dedicated to the research, development, and production of fluorine-containing fine chemicals, mainly engaged in the production and sales of perfluoroepichlorohydrin and its downstream products. At present, the company has built two manufacturing facilities, one new and one existing; the former is already in operation and capable of producing \"1,000 tons per year of perfluoroepichlorohydrin and related downstream products,\" while its expansion project has also been completed. The new factory site (i.e., Factory 3) is located in Zone 1 of the Mingxi County Industrial Cluster. The \"High-End Fluorine Fine Chemicals Project (Phase I)\" and the \"High-End Fluorine Fine Chemicals Project (Phase II)\" have been built and put into operation there. The main products include perfluoroepichlorohydrin, hexafluoro** trihydrate, hexafluoroisopropanol, the bisphenol AF series, fluorinated surfactants, perfluoroalkyl ethers, and lithium-ion battery electrolytes.

III. Technical upgrade project for electronic-grade hydrofluoric acid Project name: Technical upgrade project for electronic-grade hydrofluoric acid； Construction unit: Fujian Zhongxin Fluorine Materials Gaobao Technology Co., Ltd ； Construction location: Fluorine New Materials Industrial Park, Qingliu County, Fujian Province ； Project investment: 60 million yuan ； Construction nature: Technical renovation (reconstruction) ； Construction scale: An additional annual production capacity of 30,000 tons of electronic-grade hydrofluoric acid and 10,000 tons of electronic-grade anhydrous hydrogen fluoride will be established, with 10,500 tons of industrial-grade hydrofluoric acid generated as a by-product. Upon completion, the facility will have an annual production capacity of 60,000 tons of electronic-grade hydrofluoric acid and 10,000 tons of electronic-grade anhydrous hydrogen fluoride; it will also produce 16,800 tons of industrial-grade hydrofluoric acid as a by-product, along with 107 tons of potassium fluoride solution.

Public records show that Fujian Zhongxin Fluorine Materials Gaobao Technology Co., Ltd., formerly known as Fujian Gaobao Mining Co., Ltd., is located in the Fubao area of the Fluorine New Materials Industrial Park in Qingliu County. It is a key enterprise at the provincial level that specializes in the exploration and extraction of fluorite, as well as in the research, development, and production of a full range of fluorine-based chemicals, including hydrogen fluoride produced from fluorite and various fluorine-derived fine chemicals. The company was established in November 2007. The company’s current projects include a 70,000 t/a anhydrous hydrogen fluoride production line along with a coal-to-gas conversion system; a 240,000 t/a sulfuric acid production line along with a supporting waste heat power generation system; 20,000 t/a fluorobenzene; 53,000 t/a high-purity potassium fluoride; 20,000 t/a high-purity sodium fluoride; 2,364 t/a p-fluorotoluene; 6,500 t/a potassium fluoroborate; 6,000 t/a potassium chloride; 280 t/a calcium fluoride; 220 t/a magnesium fluoride; 30,000 t/a electronic-grade hydrofluoric acid; and 10,000 t/a sodium hexafluorophosphate. Among them, the completed and approved projects include a 70,000 t/a anhydrous hydrogen fluoride production line along with a coal-to-gas conversion system, a 200,000 t/a sulfuric acid production line along with a supporting waste heat power generation system, a 0.5 thousand-ton fluorobenzene production line, and a 30,000-ton electronic-grade hydrofluoric acid production line ； The completed but unapproved projects include 0.2364 thousand tons per year of p-fluorotoluene, and 0.6 thousand tons per year of potassium chloride ； The projects under construction involve 0.6 thousand tons per year of high-purity sodium fluoride, and 0.5 thousand tons per year of sodium hexafluorophosphate ； The rest are unfinished projects (the 30,000-ton liquid sulfur trioxide project has been canceled).