A Combination of Ion Exchange and Electrochemical Reduction for Nitrate Removal from Drinking Water. Part II: Electrochemical Treatment of a Spent Regenerant Solution.
The result's identifiers
Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F60461373%3A22310%2F04%3A00011641" target="_blank" >RIV/60461373:22310/04:00011641 - isvavai.cz</a>
Result on the web
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DOI - Digital Object Identifier
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Alternative languages
Result language
angličtina
Original language name
A Combination of Ion Exchange and Electrochemical Reduction for Nitrate Removal from Drinking Water. Part II: Electrochemical Treatment of a Spent Regenerant Solution.
Original language description
The process of selective nitrate removal from drinking water by means of ion exchange was studied. A commercial strong base anion exchanger with [triethylammonium]-N+Et3 functional groups was used in the bicarbonate (HCO3-) and [carbonate] CO32- form. The aim of this study was to optimize ion-exchanger regeneration in view of the subsequent electrochemical reduction of nitrates in the spent regenerant solution. The effects of ion-exchanger form, concentration of regenerant solution, and presence of nitrates, chlorides, and sulphates in the regenerant solution were studied. The strong base anion exchanger in HCO3- form that was investigated was able to treat 270 bed volumes of model water solution containing 124-mg dm-3 nitrates. To achieve adequate regeneration of the saturated anion exchanger it is necessary to use approximately 30 bed volumes of fresh 1-M [sodium bicarbonate] NaHCO3 regenerant solution. The presence of residual 50 mg dm-3 nitrates in the regenerant solution, treated
Czech name
Kombinace iontové výměny a elektrochemické redukce dusičnanů v procesu denitrifikace pitné vody.Část II: Elektrochemické zpracování použitého regeneračního roztoku.
Czech description
Kombinace iontové výměny a elektrochemické redukce dusičnanů v procesu denitrifikace pitné vody.Část II: Elektrochemické zpracování použitého regeneračního roztoku.
Classification
Type
J<sub>x</sub> - Unclassified - Peer-reviewed scientific article (Jimp, Jsc and Jost)
CEP classification
CG - Electrochemistry
OECD FORD branch
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Result continuities
Project
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Continuities
Z - Vyzkumny zamer (s odkazem do CEZ)
Others
Publication year
2004
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů
Data specific for result type
Name of the periodical
Water Environment Research
ISSN
1061-4303
e-ISSN
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Volume of the periodical
76
Issue of the periodical within the volume
6
Country of publishing house
US - UNITED STATES
Number of pages
7
Pages from-to
2691-2698
UT code for WoS article
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EID of the result in the Scopus database
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