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Title:
Ugotavljanje učinkovitosti klorovega dioksida na Escherichia coli v pitni vodi
Authors:
ID
Kotnik, Nuša
(Author)
ID
Simonič, Marjana
(Mentor)
More about this mentor...
Files:
UN_Kotnik_Nusa_2018.pdf
(2,38 MB)
MD5: A0895C758328F1DF9B8F71CBF8E67277
PID:
20.500.12556/dkum/f2cd3274-49a9-47c1-af7f-9c0c5ee4c1c6
Language:
Slovenian
Work type:
Bachelor thesis/paper
Typology:
2.11 - Undergraduate Thesis
Organization:
FKKT - Faculty of Chemistry and Chemical Engineering
Abstract:
Pitje vode, onesnažene z bakterijo Escherichia coli (E. coli), lahko pripelje do okužbe, ta pa lahko povzroči resna bolezenska stanja. Osrednji namen diplomskega dela je bil ugotoviti učinkovitost klorovega dioksida pri uničenju bakterije E. coli v pitni vodi. V okviru diplomskega dela smo izvedli štiri eksperimente. Učinkovitost smo preverjali z uporabo 0,2 mg/l raztopine klorovega dioksida. Za raziskovanje smo uporabili pitno vodo iz mariborskega vodovoda, ki so jo za potrebe naših raziskav v Nacionalnem laboratoriju za zdravje, okolje in hrano Maribor (NLZOH) laboratorijsko »okužili« z E. coli. Št. bakterij prisotnih v vodi smo določevali s pomočjo metode membranske filtracije, koncentracijo skupnega klora v vodi pa s kolorimetrično metodo (DPD test). Ugotovili smo, da je klorov dioksid učinkovit pri uničenju (deaktivaciji) E. coli v pitni vodi. Rezultati kažejo, da je za deaktivacijo E. coli potreben kontaktni čas manjši od 1 min.
Keywords:
klorov dioksid
,
učinkovitost
,
Escherichia coli
,
E. coli
,
pitna voda
Place of publishing:
Maribor
Publisher:
[N. Kotnik]
Year of publishing:
2018
PID:
20.500.12556/DKUM-72215
UDC:
628.1:546.134(043.2)
COBISS.SI-ID:
21960982
NUK URN:
URN:SI:UM:DK:MESHKF3T
Publication date in DKUM:
04.10.2018
Views:
2613
Downloads:
244
Metadata:
Categories:
KTFMB - FKKT
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:
KOTNIK, Nuša, 2018,
Ugotavljanje učinkovitosti klorovega dioksida na Escherichia coli v pitni vodi
[online]. Bachelor’s thesis. Maribor : N. Kotnik. [Accessed 29 March 2025]. Retrieved from: https://dk.um.si/IzpisGradiva.php?lang=eng&id=72215
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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:
14.09.2018
Secondary language
Language:
English
Title:
Determination of chlorine dioxide on escherichia coli in drinking water
Abstract:
The presence of Escherichia coli (E. coli) bacteria in drinking water is not very common, however, drinking water polluted with this bacteria can lead to infection and can cause serious illnesses. The main intention of this diploma was to figure out the effectiveness of chlorine dioxide in the inactivation of E. Coli bacteria from drinking water. We did four experiments. We checked the effectiveness of this process by using 0.2 mg/l of chlorine dioxide solution. For research we used drinking water from the Maribor water supply, which has been intentionally infected with E. coli by the Maribor National Laboratory for Health, Environment and Food (NLZOH). We determined the number of bacteria in the water with using membrane filter tehnique, and the total chlorine concentration by colorimetric method (DPD test). We concluded that chlorine dioxide is effective in killing (inactivating) E. coli in drinking water. The results show that E. coli cells were inactivated in less then 1 min.
Keywords:
chlorine dioxide
,
effectiveness
,
Escherichia coli
,
E. coli
,
drinking water
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