SOL CONTAINING TITANIUM DIOXIDE, ITS PRODUCTION METHOD AND PRODUCTS MADE OF IT Russian patent published in 2021 - IPC C01G23/00 C01G23/53 C01G25/00 C01G25/02 B01J21/06 B01J35/10 B01J37/03 B82Y30/00 B01J13/00 

Abstract RU 2763729 C2

FIELD: catalyst production.

SUBSTANCE: to obtain sol containing titanium dioxide, zirconium dioxide and/or their hydrated forms, material including meta-titanic acid is mixed in an aqueous medium with a zirconium compound or a mixture of several zirconium compounds. The specified material is a suspension or a filtrated precipitate obtained by hydrolysis of a solution containing TiOSO4 and has H2SO4 content from 3 to 15 wt.% per the amount of TiO2 contained in material. The zirconium compound is added in the amount sufficient for converting the reaction mixture into sol. The amount of sulfuric acid should not exceed the amount of the added zirconium compound in wt.% for more than 2.2 times. Sol options for the catalyst production, their application, a method for producing material in the form of particles, containing titanium dioxide, zirconium dioxide and/or their hydrated forms, material in the form of particles for the catalyst production, and its application are proposed.

EFFECT: group of inventions allows for simplification of obtaining sol containing TiO2, while increasing stability and performance of obtaining.

17 cl, 1 dwg, 1 tbl, 5 ex

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RU 2 763 729 C2

Authors

Bekker Ralf

Tide Tobias

Galbarchik Nikol

Bonnen Zimon

Dates

2021-12-30Published

2017-06-02Filed