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(19)

(11)

2 746 213

(13)

(51)

IPC

C01B7/09(2006-01-01)

C01B7/14(2006-01-01)

C02F1/42(2006-01-01)

C02F1/28(2006-01-01)

C02F101/12(2006-01-01)

(21) (22)

Application

2019123183, 2019-07-23

(24)

Start date

2019-07-23

(22)

Actual filing date

2019-07-23

(45)

Published

2021-04-08

(72)

Inventor

Sokhorova Zinaida ValerievnaFadeeva Inga IurevnaTsombueva Baira Viktorovna

(73)

Holder

Federalnoe Gosudarstvennoe Biudzhetnoe Obrazovatelnoe Uchrezhdenie Vysshego Obrazovaniia Gosudarstvennyi Universitet Imeni B.B. Gorodovikova»

METHOD OF EXTRACTION OF MICROELEMENTS FROM HIGHLY MINERALIZED WATER Russian patent published in 2021 - IPC C01B7/09 C01B7/14 C02F1/42 C02F1/28 C02F101/12

Abstract RU 2746213 C2

FIELD: chemistry.

SUBSTANCE: invention relates to extraction of iodine and bromine. Method of extracting iodide- and bromide-ions from formation water of oil deposits includes use of sorbents with subsequent desorption by desorbent solution. Sorbents used are anionites AN-31 or AN-2FN, the desorbent used is a solution of manganese chloride and sodium chloride.

EFFECT: disclosed method provides extraction of iodide ions and bromide ions pre-sorbed from formation water of oil deposits on anionites, with reduction of number of stages and increase in efficiency of extraction of valuable microelements, using cheaper reagents for extraction of halogenides from anionites.

1 cl, 3 tbl

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RU 2 746 213 C2

Authors

Sokhorova Zinaida Valerievna

Fadeeva Inga Iurevna

Tsombueva Baira Viktorovna

Dates

2021-04-08—Published

2019-07-23—Filed