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2 021 204

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IPC

(21) (22)

Application

4883739/26, 1990-11-19

(22)

Actual filing date

1990-11-19

(45)

Published

1994-10-15

(72)

Inventor

Pervushin V.Ju.Ryl'Nikova G.Ju.German V.A.Zolotarev A.E.

(73)

Holder

Cheljabinskij Filial Nauchno-Issledovatel'Skogo I Proektnogo Instituta Neorganicheskikh Pigmentov I Sudovykh Pokrytij Nauchno-Proizvodstvennogo Ob"Edinenija

METHOD OF PEROVSKITE CONCENTRATE PROCESSING Russian patent published in 1994 - IPC

Abstract RU 2021204 C1

FIELD: chemical technology. SUBSTANCE: perovskite concentrate is treated with sulfuric acid at concentration 80-95%, mixture is heated, and melt obtained is leached with water. Then suspension of seed crystals is added to the solution at concentration 1-2 wt.-% with respect to titanium concentration in solution. Low-temperature modification of titanylsulfate monohydrate of the general formula α-TiOSO₄·H₂O is used as seed crystals. Crystal concentration in suspension is 10-40 wt.-% as titanium. Method is used for preparing of titanylsulfate monohydrate monocrystals from perovskite concentrate. EFFECT: improved method of perovskite concentrate processing. 2 cl, 1 tbl

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RU 2 021 204 C1

Authors

Pervushin V.Ju.

Ryl'Nikova G.Ju.

German V.A.

Zolotarev A.E.

Dates

1994-10-15—Published

1990-11-19—Filed