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(19)

(11)

2 505 571

(13)

(51)

IPC

C09C1/24(2006-01-01)

C09C1/28(2006-01-01)

C09C1/40(2006-01-01)

C09C1/02(2006-01-01)

C09D5/08(2006-01-01)

(21) (22)

Application

2012131309/05, 2012-07-20

(24)

Start date

2012-07-20

(22)

Actual filing date

2012-07-20

(45)

Published

2014-01-27

(72)

Inventor

Stepin Sergej NikolaevichSagbiev Il'Gizar RaffakovichGatijatullin Ajrat KhamitovichVakhin Aleksej VladimirovichSafiullin Marsel' Il'Surovich

(73)

Holder

Obshchestvo S Ogranichennoj Otvetstvennost'Ju Predprijatie

METHOD OF PRODUCING ANTICORROSION PIGMENT Russian patent published in 2014 - IPC C09C1/24 C09C1/28 C09C1/40 C09C1/02 C09D5/08

Abstract RU 2505571 C1

FIELD: chemistry.

SUBSTANCE: anticorrosion pigment is produced from electric furnace wastes from foundry production - aspiration fines, containing, wt %: Fe₂O₃ 63.9-70.0, FeO 7.0-11.32, SiO₂ 8.9-16, Al₂O₃ 1.45-3.12. The aspiration fines are mixed in dry form with dolomite powder containing magnesium and calcium bicarbonate in amount of 80-95 wt %, with the ratio of aspiration fines to dolomite powder of 60-40:40-60 wt %, respectively. The obtained mixture is calcined for 3-5 hours at temperature of 700-800°C.

EFFECT: invention simplifies production of the anticorrosion pigment and lowers the calcining temperature.

1 tbl, 28 ex

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RU 2 505 571 C1

Authors

Stepin Sergej Nikolaevich

Sagbiev Il'Gizar Raffakovich

Gatijatullin Ajrat Khamitovich

Vakhin Aleksej Vladimirovich

Safiullin Marsel' Il'Surovich

Dates

2014-01-27—Published

2012-07-20—Filed