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2 558 122

(13)

(51)

IPC

C01F7/56(2006-01-01)

C01G49/00(2006-01-01)

C02F1/52(2006-01-01)

(21) (22)

Application

2014120003/05, 2014-05-19

(24)

Start date

2014-05-19

(22)

Actual filing date

2014-05-19

(45)

Published

2015-07-27

(72)

Inventor

Valeev Dmitrij VadimovichLajner Jurij AbramovichTuzhilin Aleksej SergeevichGrigor'Ev Andrej Valer'Evich

(73)

Holder

Federal'Noe Gosudarstvennoe Bjudzhetnoe Uchrezhdenie Nauki Institut Metallurgii I Materialovedenija Im. A.A. Bajkova Rossijskoj Akademii Nauk Ran)

METHOD OF OBTAINING MIXED COAGULANT FROM MINERAL RAW MATERIAL Russian patent published in 2015 - IPC C01F7/56 C01G49/00 C02F1/52

Abstract RU 2558122 C1

FIELD: chemistry.

SUBSTANCE: invention relates to chemical industry. Mixed coagulant from mineral raw material is obtained by dissolution of boehmite-kaolinite bauxide in autoclave with hydrochloric acid with concentration 220 g/l with ratio S:L=1:6 for 1-3 hours in interval of temperatures 150-180°C.

EFFECT: invention makes it possible to increase coagulation ability of mixed coagulant - hydrooxichloride of aluminium and iron with concentration by Al₂O₃ 2,32-6,87 and by Fe₂O₃ 0,94-1,02 wt %, in water purification: by turbidity and colour.

2 dwg, 6 tbl

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RU 2 558 122 C1

Authors

Valeev Dmitrij Vadimovich

Lajner Jurij Abramovich

Tuzhilin Aleksej Sergeevich

Grigor'Ev Andrej Valer'Evich

Dates

2015-07-27—Published

2014-05-19—Filed