Cation selective membrane dialysis for ammonia removal from solutions of high salinity

Result code in IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F60461373%3A22310%2F18%3A43915868" target="_blank" >RIV/60461373:22310/18:43915868 - isvavai.cz</a>

Alternative codes found

RIV/48910848:_____/18:N0000002

Result on the web

<a href="http://iel.vscht.cz/index.html?http&&&iel.vscht.cz/abstracts/1803-4039-11-0001.htm" target="_blank" >http://iel.vscht.cz/index.html?http&&&iel.vscht.cz/abstracts/1803-4039-11-0001.htm</a>

DOI - Digital Object Identifier

<a href="http://dx.doi.org/10.3260/iel.2018.08.001" target="_blank" >10.3260/iel.2018.08.001</a>

Result language

angličtina

Original language name

Cation selective membrane dialysis for ammonia removal from solutions of high salinity

Original language description

Ammonia represents frequent pollutant of water. Therefore various wastewater treatment technologies to remove ammonia are used. The traditional method is based on bacteria that convert ammonia to nitrate and in the second step to nitrogen gas. In several cases biological treatment is not applicable due to high salinity or toxicity of waste water. Thus an alternative method must be applied. Ammonia can be removed or decomposed by several methods such as air-stripping, membrane separation, breakpoint chlorination, and electrochemical oxidation. The danger of undesired organic byproduct formation during chlorination process restrict its applicability. Some separation process is required for selective separation of NH4+ ions from polluted stream. For high salinity solutions the standard separation techniques as ion exchange, reverse osmosis or electrodialysis doesn’t have desired efficiency. The dialysis process use as driving force the concentration gradient. In the case of similar salinity of the both sides of ion selective membrane the only one transported item is the NH4+ ion. The dialysis process was therefore studied as potential separation step in ammonia removal technology designed for solution of high salinity. The rate of ammonia separation in dependence of NH4+ concentration was identified in lab scale dialyser equipped with cation selective membranes CMPES Ralex (Mega a.s.). Diluate and concentrate solutions of various concentrations were tested. It was proved that dialysis process is capable to separate NH4+ ions from solution of high salinity.

Czech name

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Czech description

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Type

J_ost - Miscellaneous article in a specialist periodical

CEP classification

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OECD FORD branch

10405 - Electrochemistry (dry cells, batteries, fuel cells, corrosion metals, electrolysis)

Project

<a href="/en/project/TA04020939" target="_blank" >TA04020939: Application of advanced electrochemical systems for treatment of specific wastewater with high ammonia nitrogen concentration</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

Name of the periodical

Ion Exchange Letters

ISSN

1803-4039

e-ISSN

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Volume of the periodical

11

Issue of the periodical within the volume

1-2

Country of publishing house

CZ - CZECH REPUBLIC

Number of pages

4

Pages from-to

1-4

UT code for WoS article

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EID of the result in the Scopus database

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