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2 836 153

(13)

(51)

IPC

C01F11/08(2006-01-01)

C01B17/44(2006-01-01)

C01F11/46(2006-01-01)

(21) (22)

Application

2024118962, 2024-07-08

(24)

Start date

2024-07-08

(22)

Actual filing date

2024-07-08

(45)

Published

2025-03-11

(72)

Inventor

Monastyrskii Daniil IvanovichKulikova Marina AnatolevnaShabelskaia Nina Petrovna

(73)

Holder

Federalnoe Gosudarstvennoe Biudzhetnoe Obrazovatelnoe Uchrezhdenie Vysshego Obrazovaniia Gosudarstvennyi Politekhnicheskii Universitet Imeni M.I. Platova»,

METHOD OF PROCESSING PHOSPHOGYPSUM INTO INORGANIC PRODUCTS Russian patent published in 2025 - IPC C01F11/08 C01B17/44 C01F11/46

Abstract RU 2836153 C1

FIELD: performing operations.

SUBSTANCE: invention relates to phosphogypsum recycling technology. Method of processing phosphogypsum involves mixing phosphogypsum and a reducing agent and their combined thermal treatment. Sunflower husks are used as reducing agent. Weight ratio of phosphogypsum and sunflower husks is 29-85:1. Heat treatment is carried out at temperature of 950-1,050 °C for 60 minutes.

EFFECT: invention simplifies the phosphogypsum processing technology, reduces costs and increases environmental friendliness of the process.

1 cl, 4 dwg, 1 tbl, 7 ex

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RU 2 836 153 C1

Authors

Monastyrskii Daniil Ivanovich

Kulikova Marina Anatolevna

Shabelskaia Nina Petrovna

Dates

2025-03-11—Published

2024-07-08—Filed