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2 473 144

(13)

(51)

IPC

G21F9/00(2006-01-01)

(21) (22)

Application

2011125986/07, 2011-06-23

(24)

Start date

2011-06-23

(22)

Actual filing date

2011-06-23

(45)

Published

2013-01-20

(72)

Inventor

Blazheva Irina VladimirovnaGoletskij Nikolaj DmitrievichZil'Berman Boris JakovlevichSmirnov Igor' ValentinovichShadrin Andrej Jur'Evich

(73)

Holder

Federal'Noe Gosudarstvennoe Unitarnoe Predprijatie Ob"Edinenie Institut Im. V.G. Khlopina"

RECOVERY METHOD OF DEGRADED REVERSE EXTRAGENT Russian patent published in 2013 - IPC G21F9/00

Abstract RU 2473144 C1

FIELD: metallurgy.

SUBSTANCE: method consists in use for recovery of extragent of solutions of bicarbonates of univalent strong bases, and namely sodium bicarbonate, tetraethylamine or guanidine, or solutions of carbonates of univalent weak bases or mixture of carbonates and bicarbonates of univalent weak bases, such as hydrazine or methylamine, which are resistant to heating.

EFFECT: invention allows increasing the number of extragent operating cycles.

14 ex, 2 tbl

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RU 2 473 144 C1

Authors

Blazheva Irina Vladimirovna

Goletskij Nikolaj Dmitrievich

Zil'Berman Boris Jakovlevich

Smirnov Igor' Valentinovich

Shadrin Andrej Jur'Evich

Dates

2013-01-20—Published

2011-06-23—Filed