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Title:Kinetic studies of catalytic ozonation of atrazine
Authors:Tepuš, Brigita (Author)
Simonič, Marjana (Author)
Files:.pdf Croatica_Chemica_Acta_2008_Tepus,_Simonic_Kinetic_Studies_of_Catalytic_Ozonation_of_Atrazine.pdf (185,82 KB)
 
URL http://hrcak.srce.hr/31195
 
Language:English
Work type:Scientific work (r2)
Typology:1.01 - Original Scientific Article
Organization:FKKT - Faculty of Chemistry and Chemical Engineering
Abstract:The aim of our work was to degrade atrazine by the ozone treatment of both a model and the original drinking water samples, using Pt-catalyst, and to evaluate the performance of this catalyst. The rate constant for the reaction of atrazine with ozone was determined in the model water sample. The activation energies and the reaction orders of ozone decomposition were determined in both the model and the drinking water samples. Ozone treatment using Pt-catalyst has some influence on the loss of atrazine in the sources of drinking water. The concentration of some metabolites in the model and drinking water was observed during ozone treatment. The toxicity of atrazine to crustacean Daphnia magna in the original drinking water and in the ozone treated water samples was also assessed.
Keywords:ozone, Pt-catalyst, atrazine, water treatment, waste water, kinetics
Year of publishing:2008
Number of pages:str. 673-679
Numbering:št. 4, Letn. 81
ISSN:0011-1643
UDC:543.3:544.4
ISSN on article:0011-1643
COBISS_ID:12902678 Link is opened in a new window
NUK URN:URN:SI:UM:DK:7QGZYO9D
License:CC BY 4.0
This work is available under this license: Creative Commons Attribution 4.0 International
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Record is a part of a journal

Title:Croatica Chemica Acta
Shortened title:Croat. Chem. Acta
Publisher:Hrvatsko kemijsko društvo
ISSN:0011-1643
COBISS.SI-ID:22807 New window

Secondary language

Language:Croatian
Title:Kinetičko istraživanje katalitičkog ozoniranja antrazina
Abstract:Cilj ovog rada bio je istražiti raspad atrazina ozoniranjem uzoraka modelne i izvorne pitke vode korištenjem Pt-katalizatora, te određivanje učinkovitosti tog katalizatora. Konstante brzine raspada atrazina katalitiziranim i nekataliziranim ozoniranjem su određene samo za uzorke modelne vode, a aktivacijska energija i red reakcije u odnosu na ozon su određeni za obje vrste uzoraka. Katalizirano ozoniranje utječe na raspad atrazina u uzorcima pitke vode. Tijekom ozoniranja praćene su koncentracije nekih metabolita u uzorcima modelne i pitke vode. Određena je toksičnost uzoraka originalne pitke i modelne vode na račiću Daphnia magna.
Keywords:ozon, Pt-katalizator, atrazin, kinetika, odpadne vode, čiščenje odpadnih voda


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