Verification of Reverse Osmosis for Primary Coolant Treatment in Temelín Nuclear Power Plant

Result code in IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F26722445%3A_____%2F16%3AN0000154" target="_blank" >RIV/26722445:_____/16:N0000154 - isvavai.cz</a>

Alternative codes found

RIV/26722445:_____/16:N0000092

Result on the web

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DOI - Digital Object Identifier

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Result language

angličtina

Original language name

Verification of Reverse Osmosis for Primary Coolant Treatment in Temelín Nuclear Power Plant

Original language description

Drained primary coolant from nuclear power plants containing boric acid is currently treated in the system of evaporators and by ion exchangers. Their operation is expensive, therefore other alternatives are examined, e.g. reverse osmosis. Using reverse osmosis, the feed primary coolant is separated into two output streams: retentate and permeate. Retentate stream consists of concentrated boric acid solution together with other components, while permeate stream consists of purified water. A pilot-plant unit of reverse osmosis was tested in Temelín nuclear power plant. It was installed in the Special Purification System SVO-6 for the regeneration of boric acid. Three experimental tests with real primary coolant of various composition and total radioactivity were performed across a wide range of feed primary coolant pH and with various total flows through the membrane modulus and recoveries (ratio of permeate flow rate to feed flow rate). During the tests, samples of output streams were taken and analyzed for chemical parameters (conductivity and H3BO3, NH3, K and Li concentrations) and radioactivity parameters (total radioactivity and radioactivity and concentration of 134Cs and 137Cs isotopes). The aim of the tests performed in Temelín nuclear power plant was to verify possible use of reverse osmosis for the treatment of primary coolant, i.e. to obtain a concentrated solution of boric acid in the retentate stream and permeate stream pure of boric acid.

Czech name

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Czech description

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Type

D - Article in proceedings

CEP classification

JF - Nuclear energy

OECD FORD branch

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Project

Result was created during the realization of more than one project. More information in the Projects tab.

Continuities

P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)

Publication year

2016

Confidentiality

S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Article name in the collection

4. mezinárodní chemicko-technologická konference - Sborník abstrakt a plných textů

ISBN

978-80-86238-91-3

ISSN

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e-ISSN

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Number of pages

3

Pages from-to

1-3

Publisher name

Česká společnost průmyslové chemie

Place of publication

Praha

Event location

Mikulov

Event date

Apr 25, 2016

Type of event by nationality

CST - Celostátní akce

UT code for WoS article

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