Cradle to Gate
Identity ID
d762c57c-bd82-43ae-87b4-55947680f96c
Materials
Associated ID
06168467-cdd3-481a-96ef-265a7a379ec6
Included activities starts
Included activities ends
Description
Industrial-grade titanium dioxide is an inert inorganic chemical pigment, with important uses in industries such as coatings, inks, papermaking, plastics and rubber, chemical fibre and ceramics; this dataset is modelled as the pure substance titanium dioxide, and includes the main raw and auxiliary materials, energy, atmospheric emissions and wastes of the production process, while infrastructure such as the manufacture of production equipment and plant construction is not included within the dataset boundary; the data inventory is formed by merging data from multiple sources; the production activities of this product include the chlorination and refining section (batching, fluidized chlorination, cooling, cyclone separation, first- and second-stage condensation, vanadium-removal rectification, condensation), the oxidation section (preheating, oxidation reaction, cooling, bag filtration, discharging, slurrying and dechlorination), and the post-treatment section (dispersion wet milling, classification, primary surface treatment, filtration and washing, flash drying, bag dust removal, steam pulverization, secondary surface treatment, bag filtration), but excludes waste-gas treatment processes such as water washing and alkali absorption.
Activity Description
The production activities of this product include the chlorination and refining section (batching, boiling chlorination, cooling, cyclone separation, first and second condensation, vanadium removal distillation, condensation), oxidation section (preheating, oxidation reaction, cooling, bag filter, discharge, beating and dechlorination), post-treatment section (dispersive wet grinding, classification, primary surface treatment, filter washing, flash drying, bag dust removal, steam powder, secondary surface treatment, bag filtration), but does not include waste gas treatment processes such as water washing and alkali absorption.
Process Description
Titanium dioxide, also known as TiO2, has a CAS number of 13463-67-7. It is a soft, odorless and tasteless white powder with strong hiding power and tinting strength, with a melting point of 1560–1580°C. It is insoluble in water, dilute inorganic acids, organic solvents, and oils; slightly soluble in alkalis; and soluble in concentrated sulfuric acid. It turns yellow when heated and reverts to white upon cooling. As an inert pigment, it is considered the best-performing white pigment available in the world. Rutile titanium dioxide is dominant in China, accounting for approximately 86.5% of total production in 2023.
Time period
2017
2026
Geography
China
Macroeconomic value
Business-as-Usual
Data validation
Yes
Technology
Current Technology
Technology comment
The production of rutile titanium dioxide currently involves the coexistence of the "sulfuric acid method" and the "chlorination method". Among them, the sulfuric acid method occupies an absolutely dominant position in production capacity, and the chlorination method represents the future technological development direction. In 2023, in the classification of titanium dioxide production methods in China, sulfuric acid titanium dioxide was still the main production method, with an annual output of approximately 3.468 million tons, accounting for 83.37%, while China's comprehensive output of chloride titanium dioxide accounted for 16.63%. In the chloride titanium dioxide production process, it is mainly divided into boiling chlorination method and molten salt chlorination method. Among them, boiling chlorination method is the main chlorination method to produce titanium dioxide.