🌐 What is Titanium Dioxide Rutile Chloride?
Titanium dioxide rutile chloride is a compound and processing product used to obtain titanium dioxide from titanium ore.
In industrial applications, it is primarily used for the production of white pigments.
This process enables the production of titanium dioxide with high purity and efficiency, making it suitable for a wide range of industries.
🌐 English Translation: Titanium Dioxide Rutile Chloride Process
The main purpose of this process is to produce rutile-type titanium dioxide (TiO₂). Rutile TiO₂ is the more stable and durable form, making it preferable in industries such as pigments and high-temperature applications.
1. Ore Preparation
Select and prepare ilmenite or rutile ores.
- Ilmenite (FeTiO₃) is the most common source
- Rutile (TiO₂) is purer but rarer
- Ore must be refined before chlorination
2. Chlorination Reaction
Convert titanium ore into titanium tetrachloride (TiCl₄).
TiO₂ + 2Cl₂ + C → TiCl₄ + CO₂
- Mix ore with carbon (coke) and chlorine gas
- Heat to 900–1000°C
- Reaction: TiO₂ + 2Cl₂ + C → TiCl₄ + CO₂
3. Purification of TiCl₄
Remove impurities and recover chlorine gas.
- Distillation at 136.4°C boiling point
- Filtration to eliminate unwanted compounds
- Chlorine gas recycled for reuse
4. Oxidation to Rutile TiO₂
React TiCl₄ with oxygen to form rutile TiO₂.
TiCl₄ + O₂ → TiO₂ + 2Cl₂
- Heat to 1000–1200°C
- Reaction: TiCl₄ + O₂ → TiO₂ + 2Cl₂
- Produces stable rutile crystals
5. Chlorine Recovery
Recycle chlorine gas to minimize environmental impact.
- Capture Cl₂ from oxidation stage
- Reintroduce into chlorination loop
- Reduces waste and cost
6. Final Purification
Refine rutile TiO₂ for industrial use.
- Washing and calcination
- Removal of residues and impurities
- Adjust particle size and brightness
7. End Product
Obtain high-purity rutile TiO₂.
- Used in pigments, coatings, plastics, paper, cosmetics, pharmaceuticals, solar cells, and environmental catalysts
✅ Advantages of Rutile Chloride Process
- Produces high-purity TiO₂ suitable for pigments
- Rutile form is more stable and durable than anatase
- Chlorine gas is recycled, reducing environmental impact
- Efficient closed-loop system
⚠️ Challenges
- High energy and equipment costs
- Handling of toxic chlorine gas requires strict safety measures
- Requires high temperatures (1000–1200°C)