Sorpcija potencijalno toksičnih metala u aluvijalnom tlu na području vodocrpilišta Petruševec

master's thesis

• Title: Sorpcija potencijalno toksičnih metala u aluvijalnom tlu na području vodocrpilišta Petruševec : diplomski rad
• Title (english): Sorption of potentially toxic metals in aluvial soils in the area of well field Petruševec : master's thesis
• Author: Marcel Sertić
• Mentor: Stanko Ružičić (mentor)
• Committee member: Stanko Ružičić (predsjednik povjerenstva)
• Committee member: Marta Mileusnić (član povjerenstva)
• Committee member: Zoran Kovač (član povjerenstva)
• Granter: University of Zagreb; Faculty of Mining, Geology and Petroleum Engineering; (Department of Mineralogy, Petrology and Mineral Resources); Zagreb
• Defense date and country: 2020-02-14, Croatia
• Scientific / art field, discipline and subdiscipline: NATURAL SCIENCES; Geology

Abstract

Predmet ovog diplomskog rada je bio odrediti sorpcijske parametre u uzorcima aluvijalnog tla prikupljenim na području vodocrpilišta Petruševec. Ciljevi rada su bili: izraditi sorpcijske izoterme za Cu, Zn i Cd, odrediti parametre sorpcije te ih usporediti s parametrima tla i utvrditi sorpcijski kapacitet pojedinog uzorka tla. Porušeni uzorci su tretirani multiotopinom modre galice (CuSO4*H2O), cinkovog sulfata (ZnSO4) i kadmijeva klorida (CdCl2) u različitim koncentracijama. Koncentracije Cu, Zn i Cd su određene primjenom atomske apsorpcijske spektrometrije (AAS). Sorpcijski procesi za Zn i Cd su opisani Freundlichovim izotermnim modelom, dok su sorpcijski parametri za Cu opisani linearnim izotermnim modelom. Pripovršinski uzorci imaju najveću sorpciju, a sa porastom dubine sorpcija se smanjuje. Najveći relativni sorpcijski kapacitet ima bakar, zatim slijede cink i kadmij. Usporedbom parametara sorpcije s karakteristikama tla može se zaključiti kako najveći utjecaj na sorpciju potencijalno toksičnih metala imaju kapacitet kationske zamjene i veličina čestica odnosno udio čestica, silta.

Abstract (english)

The goal of this thesis is to determine sorption parameters of soil samples collected near the Petruševec wellfield. The main goals of this research are to create sorption isotherms of Cu, Zn and Cd, determine sorption parameters and compare them with soil parameters and to determine sorption capacity of each soil sample. The bulk soil samples were treated using multisolution of blue vitriol (CuSO4*H2O), zinc sulfate (ZnSO4) and cadmium chloride (CdCl2) in various concentrations. Concentrations of Cu, Zn and Cd were determined using atomic absorption spectroscopy (AAS). Sorption processes for Zn and Cd are well described by the Freundlich isotherm model, whereas sorption of Cu was better described by the linear isotherm model. Surface samples have the highest sorption. As soil depth increased, the strength of sorption decreased. Cu has the highest relative sorption capacity followed by Zn and Cd. By comparing the sorption parameters with the soil parameters, it can be concluded that cation exchange capacity and the particle size have the greatest influence on the sorption of potentially toxic metals.

• Keywords: aluvijalno tlo; sorpcija; AAS; potencijalno toksični metali; vodocrpilište Petruševec
• Keywords (english): alluvial soil; sorption; AAS; potentially toxic metals; wellfield Petruševec
• Language: croatian
• URN:NBN: urn:nbn:hr:169:713179
• Study programme: Title: Geology; specializations in: Geology of mineral resources and geophysical explorations; Course: Geology of mineral resources and geophysical explorations; Study programme type: university; Study level: graduate; Academic / professional title: magistar/magistra geologije (magistar/magistra geologije)
• Type of resource: Text
• File origin: Born digital
• Access conditions: Open access
• Created on: 2020-03-04 12:01:22