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2 389 583

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(51)

IPC

B22F1/00(2006-01-01)

G21C15/00(2006-01-01)

(21) (22)

Application

2009108872/02, 2009-03-10

(24)

Start date

2009-03-10

(22)

Actual filing date

2009-03-10

(45)

Published

2010-05-20

(72)

Inventor

Kononov Dmitrij BorisovichGilev Aleksandr NikolaevichSmirnov Dmitrij Vasil'EvichMorozov Oleg Anatol'EvichTimofeev Dmitrij Vasil'Evich

(73)

Holder

Otkrytoe Aktsionernoe Obshchestvo Ob"Edinenie Zavod"

MIX TO PRODUCE TABLETS FROM ZINC OXIDE Russian patent published in 2010 - IPC B22F1/00 G21C15/00

Abstract RU 2389583 C1

FIELD: process engineering.

SUBSTANCE: invention relates to mixes used to produce tablets from powder zinc oxide. It can be used as an additive in nuclear reactor cooling water systems to reduce radioactive contamination by isotope ⁶⁰Co. Proposed mix comprises, in wt %: polyvinyl alcohol - 0.64…0.72; polyethylene glycol - 0.41…0.44; water - 32.68…35.65: hexane - 4.66…5.49; stearic acid - 0.24…0.28 and zinc oxide makes the rest.

EFFECT: proposed mix allows producing tablets with density approximating to 83%, reducing mix drying time and increasing tablet yield to 90%.

3 ex

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RU 2 389 583 C1

Authors

Kononov Dmitrij Borisovich

Gilev Aleksandr Nikolaevich

Smirnov Dmitrij Vasil'Evich

Morozov Oleg Anatol'Evich

Timofeev Dmitrij Vasil'Evich

Dates

2010-05-20—Published

2009-03-10—Filed