Regeneration and long-term chemical stability of heterogeneous anion exchange membrane in perchloric acid

Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F28676092%3A_____%2F18%3AN0000089" target="_blank" >RIV/28676092:_____/18:N0000089 - isvavai.cz</a>
Result on the web
<a href="http://www.deswater.com/DWT_abstracts/vol_128/128_2018_34.pdf" target="_blank" >http://www.deswater.com/DWT_abstracts/vol_128/128_2018_34.pdf</a>
DOI - Digital Object Identifier
<a href="http://dx.doi.org/10.5004/dwt.2018.22572" target="_blank" >10.5004/dwt.2018.22572</a>

Result language
angličtina
Original language name
Regeneration and long-term chemical stability of heterogeneous anion exchange membrane in perchloric acid
Original language description
Drinking water quality has been a global problem in recent years. With the growing specific industry, groundwater and surface water are contaminated with certain substances, so drinking water concentration limits for these substances must be defined. Fortunately, with the evolving industry, there is a range of methods that can be used to treat water dedicated to potable purposes. Among them, an electromembrane process with anion exchange membranes can be found. These membranes can be used approximately to remove perchlorate ions from purified water. The paper deals with regeneration and long-term stability of anion exchange membranes in 3% perchloric acid solution. For anion exchange membranes, electrochemical properties such as an areal resistance and a permselectivity were observed for 5 months. At the same time, a change in the mechanical and optical properties of the reinforcing fabrics used in the anion exchange membranes was monitored. Long-term exposure did not have a major effect on the anion exchange membrane permselectivity, and the mechanical properties of the reinforcing fabric did not show significant changes. Differences were determined only for the areal resistance, which grew slightly with the increasing exposure time.
Czech name
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Czech description
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Type
J<sub>imp</sub> - Article in a specialist periodical, which is included in the Web of Science database
CEP classification
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OECD FORD branch
20505 - Composites (including laminates, reinforced plastics, cermets, combined natural and synthetic fibre fabrics; filled composites)

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
2018
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

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