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Title:Odstranjevanje težkih kovin iz kontaminiranih zemljin s šibkimi kislinami : diplomsko delo visokošolskega strokovnega študijskega programa I. stopnje
Authors:ID Poljšak, Maja (Author)
ID Urbancl, Danijela (Mentor) More about this mentor... New window
ID Simonič, Marjana (Comentor)
ID Goričanec, Darko (Comentor)
Files:.pdf VS_Poljsak_Maja_2020.pdf (2,00 MB)
MD5: 1EAA71E0DD71CED758C48EDACE6E8E10
PID: 20.500.12556/dkum/ed8b695d-b8d3-4efb-839a-d4776bbc0b7a
 
Language:Slovenian
Work type:Bachelor thesis/paper
Typology:2.11 - Undergraduate Thesis
Organization:FKKT - Faculty of Chemistry and Chemical Engineering
Abstract:V diplomskem delu je predstavljena študija o težkih kovinah, njihovih lastnostih, vplivu na okolje. Predstavljeni so predvsem načini odstranjevanja težkih kovin iz kontaminiranih zemljin. Med vsemi načini odstranjevanja je podrobneje predstavljeno pranje tal s šibkimi kislinami, ki lahko poteka po ex situ in in situ metodi. Kisline vplivajo na težke kovine tako, da jim povečajo mobilnost ter učinkovitost spiranja kovin s tal. Izveden je bil poizkus odstranjevanja cinka in kadmija s klorovodikovo kislino, pri katerem smo rezultate primerjali z rezultati odstranjevanja s citronsko kislino iz strokovnih člankov. Ugotovili smo, da je pranje tal s šibko kislino bolj učinkovita, saj je učinek ekstrakcije večji in manjša je možnost sekundarnega onesnaženja. Naredila sem tudi analizo raziskav o onesnaženosti tal s težkimi kovinami v Sloveniji med leti 2004 in 2008, katera je pokazala da Slovenija v večini ni onesnažena s težkimi kovinami, prisotne so le na lokacijah, kjer se je nekoč izvajala rudniško-topilniška dejavnost.
Keywords:Kontaminirana zemljina, težke kovine, remediacija zemlje, kisline, šibke kisline
Place of publishing:Maribor
Place of performance:Maribor
Publisher:[M. Poljšak]
Year of publishing:2020
Number of pages:VIII, 44 f.
PID:20.500.12556/DKUM-78058 New window
UDC:666.123.4(043.2)
COBISS.SI-ID:35974403 New window
NUK URN:URN:SI:UM:DK:C89H86ZF
Publication date in DKUM:03.11.2020
Views:1329
Downloads:124
Metadata:XML DC-XML DC-RDF
Categories:KTFMB - FKKT
:
POLJŠAK, Maja, 2020, Odstranjevanje težkih kovin iz kontaminiranih zemljin s šibkimi kislinami : diplomsko delo visokošolskega strokovnega študijskega programa I. stopnje [online]. Bachelor’s thesis. Maribor : M. Poljšak. [Accessed 21 March 2025]. Retrieved from: https://dk.um.si/IzpisGradiva.php?lang=eng&id=78058
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Licences

License:CC BY-NC-ND 4.0, Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International
Link:http://creativecommons.org/licenses/by-nc-nd/4.0/
Description:The most restrictive Creative Commons license. This only allows people to download and share the work for no commercial gain and for no other purposes.
Licensing start date:13.10.2020

Secondary language

Language:English
Title:Removal of heavy metals from contaminated soils with weak acids
Abstract:The thesis presents a study on heavy metals, their properties, impact on the enviroment. In particular are presented methods for removing heavy metals from contaminated soils. Among all removing methods, washing the soil with weak acids, which can be done by the ex situ or in situ method, is presented in more details. Acids affect heavy metals by increasing their mobility and the efficiency of leaching metals from the ground. We performed an experiment, where we remove zinc and cadmium with hydrochloric acid, in which the results were compared to results of removal with citric acid from scientific researches. We found that washing the soil with citric acid is more efficient, because the extraction effect is greater and the possibility of secondary contamination is lower than removal with hydrochloric acid. I also did an analysis of research on soil contamination with heavy metals in Slovenia between 2004 in 2008, which showed that Slovenia is mostly not contaminated with heavy metals, they are only present at locations, where mining and artillery activity was once performed.
Keywords:Soil contaminations, heavy metals, soil remediation, acids, weak acids


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