Polymeric sorbents for selective chromium removal

Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F60461373%3A22320%2F16%3A43902388" target="_blank" >RIV/60461373:22320/16:43902388 - 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
Polymeric sorbents for selective chromium removal
Original language description
Speciation of chromium in waters depends mainly on its oxidation state and pH. With some simplification, trivalent chromium, Cr(III), is present in the cationic form, while hexavalent chromium, Cr(VI), is present in the form of oxoanions. When dealing with waters containing low levels of other ions both Cr(III) and Cr(VI) species can be easily removed using commercially available strong acid and strong base ion exchangers. In the presence of other ions, that can compete for the ion exchange sites, we have to look for selective ion exchangers. The dark side of high selectivity is the stability of complexes of our target metal with functional groups of ion exchanger or sorbent. It can result to difficult or impossible regeneration. Resulting inability to reuse the sorbent increases the price of treated water. There is no ideal sorbent for Cr(III) or Cr(VI) in every water matrix, but there is plenty of clever ways how to remove the chromium species we can choose from.
Czech name
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Czech description
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Project
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Continuities
I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Publication year
2016
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Book/collection name
Innovative Materials and Methods for Water Treatment: Solutions for Arsenic and Chromium Removal
ISBN
978-1-138-02749-7
Number of pages of the result
8
Pages from-to
109-116
Number of pages of the book
438
Publisher name
Taylor & Francis Group
Place of publication
London
UT code for WoS chapter
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