At this stage, compared with the foreign level, my country's titanium dioxide production technology still has many gaps, such as backward production technology, small production scale, low product quality, and unstable product quality. In terms of product quality, foreign countries mainly use rutile-type titanium dioxide with excellent optical properties and excellent hiding power, color reducing power and weather resistance. Among them, rutile-type titanium dioxide with surface treatment is mostly used, and there are various special titanium dioxide products. . Domestic sulfuric acid titanium dioxide is mainly anatase products, most of which have not undergone surface treatment, and there are very few special products. At this stage, the development trend of my country's titanium dioxide production technology:

Development Trend of Titanium Dioxide Production Technology in my country

1. Large-scale equipment and equipment: Large-scale equipment can reduce unit product investment, improve product competitiveness, and at the same time can better digest the pressure of increased costs due to environmental protection. Large-scale equipment can improve the effective utilization of equipment, reduce fluctuations in product quality caused by frequent operations, and reduce the footprint of the device.

2. Develop special products suitable for various purposes: due to the continuous expansion of the use of titanium dioxide, new products continue to emerge. While maintaining the competitive advantages in the traditional industry, the world's major titanium dioxide manufacturers are committed to the development, promotion and application of special products, have a complete scientific research, development and application system, and focus on technological progress.

3. Pay attention to clean production: the clean production of titanium dioxide by sulfuric acid method minimizes and recycles pollution sources, and more importantly, changes the traditional idea of ​​relying on end-of-pipe treatment, and improves raw material routes and production processes to reduce pollution and protect the environment the goal of. The comprehensive utilization of acid-soluble titanium slag and waste acid concentration is the development direction of clean production of titanium dioxide by sulfuric acid method.