Product Details
The sulfate method was applied in industry in 1931 to produce the
anatase form of titanium dioxide and later, in 1941, for production
of the rutile form. In this method, the initial raw material –
ilmenite concentrate or titanium slag – is dissolved in sulfuric
acid, resulting in titanium, iron, and other metal sulfate
solutions. Then, basic TiO2 with the necessary particle size is
formed after a series of technological transformations, including
chemical reduction, purification, precipitation, washing, and
calcination. The crystal structure (anatase or rutile form) is
controlled during nucleation and calcination.
The equation describes the sulfate method of the titanium dioxide
process:
FeTiO3 + 2H2SO4 → TiOSO4 + FeSO4 + 2H2O TiOSO4 + H2O → TiO2 + H2SO4.
The process diagram of TiO2 production using the sulfate method
(with ilmenite as a raw material)
Company Profile

Hengyang Industry is an Chinese Company based in Zhengzhou city that manufactures,
on proprietary technology, plants and equipment for waste recycling
and recovery with energy production, material recovery or
production of finished goods.
Innovation, R&D, passionate and skilled team along with the
customer satisfaction have always been the success of Hengyang and
they still are the peculiarities of our Company. Besides the
historical Hengyang equipment, like single and double shafts
shredders, Crushing machine, briquetting machines, separators,
squeezers and centrifuges, the Company offers a wide range of
turn-key plants, among which:
• briquetting and pelletizing plants
• shredding plants
• Waste Sorting Plants
• Bio-fuel Plants
• Waste to Power Recycling Plants
• Mining Plants
• OEM Equipments
……..
Hengyang is able to develop customized solutions too.
Designed, constructed and assembled by the same Hengyang
The Company policy focuses on product quality: robustness and
functionality of the machines that maintain their value over time.
The ability to challenge ideas and concepts and to interact with
partners worldwide has allowed and still allows Hengyang to stay
highly competitive and to be an ideal partner for the world market.