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2 190 268

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Application

2000124648/06, 2000-09-27

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Start date

2000-09-27

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Actual filing date

2000-09-27

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Published

2002-09-27

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Inventor

Lebedev V.I.Shmakov L.V.Chernikov O.G.Tishkov V.M.Moskvin L.N.Aniskin Ju.N.Feofanov V.N.Kozlov V.A.Cherkashov Ju.M.Chabak A.F.Belous V.N.Burlakov E.V.

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Holder

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

METHOD FOR MAINTAINING POWER INSTALLATION WATER CHEMISTRY Russian patent published in 2002 - IPC

Abstract RU 2190268 C2

FIELD: thermal engineering; nuclear and thermal power plants using water as coolant. SUBSTANCE: method includes dosing coolant with aqueous solution incorporating alkali metal aluminate taken out of group: lithium, sodium, potassium of 1•10-2-1,0 mole/l concentration and hydroxide of respective alkali metal of at least 1•10-3 mole/l concentration. Solution is dosed in high-temperature section of coolant path. Ratio of molar concentrations of aluminum and bivalent iron is over 2. Such method of dosing reactant aluminum in circuits of nuclear and thermal power plants ensures reliable process control and effective suppression of general and local corrosion of power plant structural materials. EFFECT: enhanced reliability of corrosion protection and radiation situation control about power plant environment. 2 cl, 2 tbl, 2 ex

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RU 2 190 268 C2

Authors

Lebedev V.I.

Shmakov L.V.

Chernikov O.G.

Tishkov V.M.

Moskvin L.N.

Aniskin Ju.N.

Feofanov V.N.

Kozlov V.A.

Cherkashov Ju.M.

Chabak A.F.

Belous V.N.

Burlakov E.V.

Dates

2002-09-27—Published

2000-09-27—Filed

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