prikaz prve stranice dokumenta Modeliranje dinamike ortofosfata pri radu elektrokoagulacijskog uređaja sa željeznim elektrodama
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master's thesis
Modeliranje dinamike ortofosfata pri radu elektrokoagulacijskog uređaja sa željeznim elektrodama
Zagreb: University of Zagreb, Faculty of Civil Engineering, 2019. urn:nbn:hr:237:248330
Musa, Antonela
University of Zagreb
Faculty of Civil Engineering
Water Research

Institutional repository: Repository of the Faculty of Civil Engineering, University of Zagreb

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Musa, A. (2019). Modeliranje dinamike ortofosfata pri radu elektrokoagulacijskog uređaja sa željeznim elektrodama (Master's thesis). Zagreb: University of Zagreb, Faculty of Civil Engineering. Retrieved from https://urn.nsk.hr/urn:nbn:hr:237:248330

Musa, Antonela. "Modeliranje dinamike ortofosfata pri radu elektrokoagulacijskog uređaja sa željeznim elektrodama." Master's thesis, University of Zagreb, Faculty of Civil Engineering, 2019. https://urn.nsk.hr/urn:nbn:hr:237:248330

Musa, Antonela. "Modeliranje dinamike ortofosfata pri radu elektrokoagulacijskog uređaja sa željeznim elektrodama." Master's thesis, University of Zagreb, Faculty of Civil Engineering, 2019. https://urn.nsk.hr/urn:nbn:hr:237:248330

Musa, A. (2019). 'Modeliranje dinamike ortofosfata pri radu elektrokoagulacijskog uređaja sa željeznim elektrodama', Master's thesis, University of Zagreb, Faculty of Civil Engineering, accessed 14 January 2025, https://urn.nsk.hr/urn:nbn:hr:237:248330

Musa A. Modeliranje dinamike ortofosfata pri radu elektrokoagulacijskog uređaja sa željeznim elektrodama [Master's thesis]. Zagreb: University of Zagreb, Faculty of Civil Engineering; 2019 [cited 2025 January 14] Available at: https://urn.nsk.hr/urn:nbn:hr:237:248330

A. Musa, "Modeliranje dinamike ortofosfata pri radu elektrokoagulacijskog uređaja sa željeznim elektrodama", Master's thesis, University of Zagreb, Faculty of Civil Engineering, Zagreb, 2019. Available at: https://urn.nsk.hr/urn:nbn:hr:237:248330

Metadata
TitleModeliranje dinamike ortofosfata pri radu elektrokoagulacijskog uređaja sa željeznim elektrodama
Title (english)Modeling the electrocoagulation treatment of orthophosphate with iron electrods
AuthorAntonela Musa
MentorGoran Gjetvaj (mentor)
Committee memberDamir Bekić (predsjednik povjerenstva)
Committee memberGoran Gjetvaj (član povjerenstva)
Committee memberGoran Lončar (član povjerenstva)
GranterUniversity of Zagreb
Faculty of Civil Engineering
(Water Research)
Zagreb
Defense date and country2019-07-04, Croatia
Scientific / art field,
discipline and subdiscipline		TECHNICAL SCIENCES
Civil Engineering
Hydrotechnology
Abstract
Provedeno je istraživanje učinka elektrokoagulacijskog procesa sa željeznim (Fe) elektrodama na smanjenje masene koncentracije fosfata u vodi. Primijenjene su gustoće struje od 30, 75 i 150 A m-2 te inicijalna koncentracija fosfata od 27 mg/L (PO4-P). Postignuta je učinkovitost uklanjanja od 81% nakon 90 min rada reaktora s ugrađenim Al elektrodama pri gustoći struje od 75 A m-2 i uz inicijalnu koncentraciju NaCl od 2 g dm-3. Osim koncentracije fosfata (PO4-P), u komori elektrokoagulacijskog laboratorijskog pilot uređaja praćene su i promjene koncentracije otopljenog kisika (DO), te promjene temperature vode i pH. 3D numerički model primijenjen je za simulaciju polja strujanja i koncentracije fosfata u komori elektrokoagulacijskog uređaja. Modelom pronosa fosfata obuhvaćeni su procesi generiranja i taloženja flokula, te adsorpcije fosfata na flokule. Modelska parametrizacija temelji se na rezultatima mjerenja.
Abstract (english)
The efficiency of the electrocoagulation (EC) process for the removal of phosphate (PO4-P) is analyzed using a batch pilot device with iron electrodes situated within the reactor. The applied current density at the electrodes (30, 75 and 150 A/m2) was the focus of the research. The initial PO4-P concentration is the same in all experiments (27 mg PO4-P/L). The concentrations of PO4-P and dissolved oxygen (DO), as well as the water temperature and pH, were measured in the batch chamber. The initial PO4-P concentration is reduced by 81 % after 90 min of reactor operation when the initial NaCl concentration is 2 g/L, while the current density is maintained at 75 A/m2. Additionally, a three-dimensional (3D) numerical model for PO4-P removal via the EC process is developed. By using the 3D numerical model, spatially continuous velocity fields and the PO4-P concentration were determined. Numerical model of PO4-P transport includes the processes of phosphate adsorption on flocculent, along with coagulated particles settling. Numerical model parametrization relies on the measurement results from the experiments made on batch pilot device.
Keywords
Keywords (english)
Languagecroatian
URN:NBNurn:nbn:hr:237:248330
Study programmeTitle: Civil Engineering; specializations in: Construction Management, Transportation Engineering, Geotechnical Engineering, Hydraulic Engineering, Structural Engineering, Construction Materials, Theory and Modeling of Structures
Course: Hydraulic Engineering
Study programme type: university
Study level: graduate
Academic / professional title: magistar/magistra inženjer/inženjerka građevinarstva (magistar/magistra inženjer/inženjerka građevinarstva)
Type of resourceText
File originBorn digital
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Created on2019-11-20 07:52:43