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2 161 338

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IPC

(21) (22)

Application

99102284/12, 1999-02-01

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Start date

1999-02-01

(22)

Actual filing date

1999-02-01

(45)

Published

2000-12-27

(72)

Inventor

Garusov Ju.V.Karrask M.P.Temkin L.I.Kritskij V.G.Ampelogova N.I.Krupennikova V.I.Kudrjashov L.A.

(73)

Holder

Gosudarstvennoe Predprijatie Atomnaja Ehlektrostantsija Im. V.I. Lenina"Zakrytoe Aktsionernoe Obshchestvo Nauchno-Proizvodstvennoe Ob"Edinenie

SORPTION FILTER MEDIUM FOR CLEANING AIR FROM RADIOACTIVE IODINE Russian patent published in 2000 - IPC

Abstract RU 2161338 C2

FIELD: nuclear engineering; cleaning air flows of ventilation systems and blowing-off systems of atomic station equipment; entrapping radium iodine from gaseous phase for subsequent analysis. SUBSTANCE: sorption filter material is partially impregnated with 1- to 1.5% KI and/or amine; filter material consists of several layers; used as carbon-containing material of layers is carbonized carbon fiber fabric at surface density of 230 to 700 g/sq.m and diameter of fiber of 2 to 10 mcm; volume ratio of front and subsequent layers is equal to (1-3) : ( 2-4). EFFECT: enhanced efficiency of absorbing CH₃I at low thickness of layer of carbon fiber fabric (and high humidity of air); enhanced efficiency of cleaning air of ventilation systems; reduced emissions of radioactive iodine; improved radiation and ecological situation. 2 cl, 4 tbl, 4 ex

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RU 2 161 338 C2

Authors

Garusov Ju.V.

Karrask M.P.

Temkin L.I.

Kritskij V.G.

Ampelogova N.I.

Krupennikova V.I.

Kudrjashov L.A.

Dates

2000-12-27—Published

1999-02-01—Filed