APPLICATION OF SODIUM ALUMOSILICATE PRODUCED ON THE BASIS OF RICE STRAW PRODUCTION WASTE AS A SORBENT FOR EXTRACTION OF ANTIMONY(III) IONS Russian patent published in 2023 - IPC C02F1/28 C01B33/26 B01J20/16 

Abstract RU 2789637 C1

FIELD: ecology, environmental purification and processing of industrial waste.

SUBSTANCE: invention relates to the field of ecology, environmental purification and processing of industrial waste and can be used for the extraction of antimony(III) ions in the purification of ground and surface water in the extraction of antimony from deposits, as well as in the production of ceramics, batteries, flame retardants, catalysts and pigments . The invention is based on the use of sodium aluminosilicate obtained from rice production waste for the sorption of antimony(III) ions under static conditions from aqueous solutions in a ratio of solid and liquid phases of 1:1000 at room temperature.

EFFECT: range of sorbents for the extraction of antimony(III) ions from industrial aqueous media is expanded, as well as the options for the safe disposal of agricultural waste from rice production, which reduces atmospheric emissions of microdispersed amorphous silica SiO2, which is formed during open burning of waste.

1 cl, 1 dwg, 2 ex

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RU 2 789 637 C1

Authors

Panasenko Aleksandr Evgenevich

Kholomeidik Anna Nikolaevna

Dates

2023-02-06Published

2022-06-27Filed