Study on electrodeionization with ion-exchange microgranulate in the diluting chamber

Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F28676092%3A_____%2F16%3AN0000045" target="_blank" >RIV/28676092:_____/16:N0000045 - isvavai.cz</a>
Result on the web
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DOI - Digital Object Identifier
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Result language
angličtina
Original language name
Study on electrodeionization with ion-exchange microgranulate in the diluting chamber
Original language description
Pellets made of a blend of ground ion-exchange resin and polyethylene binder were tested as a filler material in the diluting chambers of an electrodeionization stack. The results obtained were compared with the conventional processes of electrodialysis and electrodeionization. It has been found the presented modification of the electrodeionization process cannot compete with both the conventional electrodialysis and electrodeionization processes. The poor performance of such a design is mainly due to the chosen shape of the pellets (cylinder) and their poor electrochemical properties. When operated at the same voltage per cell pair, conventional electrodeionization has been shown to be more efficient than electrodialysis in the range of electrolyte concentrations less than 0.5 – 1.5 kg m-3. Since the voltage in industrial-scale electrodialysis stacks is limited due to concentration polarization or burning phenomena, typically to 1 – 1.5 V/cell pair, while electrodeionization stacks may be operated at a higher voltage without any problems, electrodeionization has been found more efficient in the whole studied electrolyte concentration range of 0 – 3.5 kg m-3.
Czech name
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Czech description
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Project
<a href="/en/project/LO1418" target="_blank" >LO1418: Progressive development of the Membrane Innovation Centre</a><br>
Continuities
P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)

Publication year
2016
Confidentiality
C - Předmět řešení projektu podléhá obchodnímu tajemství (§ 504 Občanského zákoníku), ale název projektu, cíle projektu a u ukončeného nebo zastaveného projektu zhodnocení výsledku řešení projektu (údaje P03, P04, P15, P19, P29, PN8) dodané do CEP, jsou upraveny tak, aby byly zveřejnitelné.

Article name in the collection
Workshop of Students’ Presentations 2016, Membranes and Membrane Processes
ISBN
978-80-904517-8-0
ISSN
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e-ISSN
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Number of pages
6
Pages from-to
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Publisher name
Czech Membrane Platform
Place of publication
Straz pod Ralskem, Czech Republic
Event location
Straz pod Ralskem, Czech Republic
Event date
Oct 12, 2016
Type of event by nationality
WRD - Celosvětová akce
UT code for WoS article
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