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Chairman of the appraisal committee, director of the Titanium Dioxide Center of the National Chemical Industry Productivity Promotion Center and Secretary General of the Titanium Dioxide Industry Technical Innovation Strategic Alliance Bi Sheng said that the stable operation of the project indicates that China has mastered the international advanced titanium chloride production technology. , will play a positive role in the domestic titanium dioxide company. The project research has improved the level of technical equipment and product quality in China's titanium dioxide industry, and has significant implications for the structural reform of the supply side of the domestic titanium dioxide industry, the upgrading of technologies and products, energy conservation and environmental protection, and has broad application prospects. .
It is understood that the chlorination process has become the mainstream production process for the international titanium dioxide industry due to its short process flow, large production capacity, high product quality, and low pollution emissions, accounting for 63% to 65% of the total global production capacity (excluding China). But for a long time, the international chemical giant has a high monopoly on the chlorination of titanium dioxide production technology, the use of advanced chlorination process to replace the sulfuric acid process has become the voice of all parties, has also become the main direction of domestic titanium dioxide industry transformation and upgrading.
According to reports, the project uses boiling chlorination + gas phase oxidation process technology, developed boiling chlorination technology, titanium tetrachloride refining technology, gas phase oxidation technology, oxidation reactors and rock salt removal technology, reasonable process selection, advanced technology, a total of Obtained 16 technical patents, with domestic independent intellectual property rights.
The products of the project have been tested and verified by national paint quality supervision and inspection centers, Zhenjiang Fanhua Detection Technology Co., Ltd. and other national testing institutions such as CMA titanium dioxide application testing third-party laboratories, peer manufacturers, and some customers such as coatings, plastics, and papermaking. The quality level is superior to that of the domestic industry. The major basic quality indicators and the main application performance in water-based and solvent-based coatings and PVC plastics have reached or even partially surpassed the quality standards of world-class products. In particular, the quality indicators such as product dispersibility, hiding power, and whiteness completely meet or slightly exceed those of internationally renowned brand products, and the quality level is very stable.
In addition, the products of various harmful elemental components such as cadmium, lead, mercury, hexavalent chromium, polybrominated biphenyls, and polybrominated diphenyl ethers have met the limits of the EU RoHS directive. It can completely replace imported high-end products in general-purpose applications.
Li Maoen, chairman of Luohe Xingmao Titanium Industry Co., Ltd., said that the company's next step will continue to increase investment in core technology R&D. The United Nations research institutes will tackle the 100,000 tons/year chlorination Titanium Dioxide new technology and new equipment to achieve domestic chlorination as soon as possible. The breakthrough in large-capacity titanium dioxide production equipment technology has improved the level of national industry.
Breakthrough in my large-scale Titanium Chloride Technology
On August 11th, the Ministry of Industry and Information Technology held an appraisal meeting for scientific and technological achievements in Beijing. The expert team conducted scientific and technological achievements appraisal of the "30,000 tons/year chlorinated titanium dioxide production engineering technology" independently developed by Luohe Xingmao Titanium Industry Co., Ltd. The appraisal committee believes that this project has overcome many technical and equipment difficulties in the production of chlorinated titanium dioxide powder, broke through the long-term monopoly of relevant foreign technologies, formed a complete production line, and achieved continuous and stable compliance with production. The project technology has reached the leading domestic and international advanced level.