Pangang desulfurization sulfuric acid successfully used in titanium dioxide production

Panzhihua sinter flue gas desulphurization sulfuric acid titanium dioxide industrial application has been successful, the test a total of about 600 tons of sulfuric acid desulfurization, the production of about 160 tons of titanium white, its quality indicators have all reached the level of high-grade pigment titanium white R258.

It is understood that, in order to implement the national "second five" emission reduction policy, Panzhihua Iron and Steel with its own research and development of desulfurization technology for sintering flue gas desulfurization, has been successfully applied in two sinters, the annual by-product of concentrated sulfuric acid about For 30,000 tons. In order to realize the efficient application of desulfurized sulfuric acid and optimize the industrial structure of titanium dioxide by sulfuric acid process, Panzhihua Iron and Steel Research Institute has jointly established a joint research group with Titanium Dioxide Plant of Titanium Company and vanadium and coal chemical plant of Panzhihua Iron and Steel Co., Ltd., system Research.

Project team focused on the desulfurization sulfuric acid sulfuric acid than the industry's poor color and transparency reasons, as well as laboratory use of the acid to prepare titanium dioxide feasibility. The results showed that the initial quality of titanium white completely up to the level of high-grade pigment titanium white R258, not only to save the consumption of pyrite, sulfur and other mineral resources, but also successfully found a significant reduction in production costs and optimize the titanium dioxide industry chain Effective Ways. (Meng Xianglin Luo Zhiqiang)

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