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2 552 459

(13)

(51)

IPC

C01D3/08(2006-01-01)

(21) (22)

Application

2013146501/05, 2013-10-17

(24)

Start date

2013-10-17

(22)

Actual filing date

2013-10-17

(45)

Published

2015-06-10

(72)

Inventor

Pojlov Vladimir ZotovichKuz'Minykh Konstantin Gennad'EvichKosvintsev Oleg Konstantinovich

(73)

Holder

Federal'Noe Gosudarstvennoe Bjudzhetnoe Obrazovatel'Noe Uchrezhdenie Vysshego Professional'Nogo Obrazovanija Natsional'Nyj Issledovatel'Skij Politekhnicheskij Universitet"

METHOD OF PRODUCING POTASSIUM CHLORIDE Russian patent published in 2015 - IPC C01D3/08

Abstract RU 2552459 C2

FIELD: chemistry.

SUBSTANCE: invention can be used in chemical industry. A method of producing potassium chloride includes dissolving raw material in hot liquor, removing impurities from the hot saturated solution, crystallising the obtained suspension in a controlled vacuum-crystallisation apparatus, dehydrating and drying. During crystallisation, the suspension is subjected to ultrasonic treatment in the frequency range of 10-44 kHz with intensity of 0.1-25 W/cm².

EFFECT: invention enables to obtain a fine- or medium-grained product while enabling control of the average particle size in the range of 0,13-0,72 mm.

3 cl, 1 tbl, 1 ex

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RU 2 552 459 C2

Authors

Pojlov Vladimir Zotovich

Kuz'Minykh Konstantin Gennad'Evich

Kosvintsev Oleg Konstantinovich

Dates

2015-06-10—Published

2013-10-17—Filed