Laboratory Comparison of Nzvi / S-nzvi Efficiency in Systems with And Without Power

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dc.contributor.authorVološčuková Ondřejkacs
dc.contributor.authorSkácelová, Petra
dc.contributor.authorPavelková, Alena
dc.contributor.authorSlunský, Jan
dc.contributor.authorNosek, Jaroslav
dc.date.accessioned2020-06-08T09:51:46Z
dc.date.available05-45-2020en
dc.date.available2020-06-08T09:51:46Z
dc.date.issued2019cs
dc.date.updated10-58-2020en
dc.description.abstractThe use of nZVI is well known method for remediation of groundwater contaminated with chlorinated hydrocarbons. The present paper investigates the ability of traditional nZVI and S-nZVI modified with sulphide ion (HS- ) to reduce CHC in real wastewater sample. In the effort to enhance longevity and efficiency of the treatment, experiments were performed under applied voltage (patent 304152, owner MEGA a.s., TUL). Results showed elevated reactivity of nZVI in reactors with passing voltage. The decomposition of the CHC in DC supported reactors occurred several times faster than in reactors without added voltage. However, the analysis of products suggests different pathway of decomposition when S-nZVI is used. The main product of reductive dechlorination was acetylene as opposite to regular nZVI which produced predominantly ethene and ethane. The nZVI provided with DC showed the most rapid decline of all contaminants in the time frame of 5 days.
dc.format.extent6cs
dc.identifier.isbn978-80-87294-95-6cs
dc.identifier.issn2694-930Xcs
dc.identifier.urihttps://dspace.tul.cz/handle/15240/156820
dc.identifier.urifile:///C:/Users/PC/Downloads/nanocon_2019%20(1).pdf
dc.language.isoengcs
dc.relation.ispartofNANOCON 2019en
dc.relation.ispartofseries0cs
dc.relation.urihttps://www.confer.cz/nanocon/2019
dc.subjectzerovalent-iron nanoparticlescs
dc.subjectchlorinated hydrocarbonscs
dc.subjectsurface modificationcs
dc.subjectdirect currentcs
dc.titleLaboratory Comparison of Nzvi / S-nzvi Efficiency in Systems with And Without Poweren
dc.titleLaboratorní porovnání účinnosti nZVI/S-nZVI v systémech s a bez elektrického prouducs
local.event.locationBrnoen
local.identifier.publikace7649
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