Uklanjanje mikroonečišćivala iz vode primjenom ferata(VI)

master's thesis

• Title (english): Removal of micropollutants from water using ferrate(VI)
• Author: Patricia Mijić
• Mentor: Marin Kovačić (mentor)
• Committee member: Ana Lončarić Božić (predsjednik povjerenstva)
• Committee member: Ana Vrsalović Presečki (član povjerenstva)
• Committee member: Irena Ivanišević (član povjerenstva)
• Granter: University of Zagreb; Faculty of Chemical Engineering and Technology; Zagreb
• Defense date and country: 2023-09-25, Croatia
• Scientific / art field, discipline and subdiscipline: TECHNICAL SCIENCES; Chemical Engineering

Abstract

Voda kao izvor života je neprocjenjivo blago koje u današnje vrijeme dobiva na velikom značaju zbog rasta gospodarstva koje ga crpi sve više, populacije koja također eksponencijalno raste te klimatskih promjena koje djeluju na cjelokupni život na planeti. Mikroonečišćivala samo su od jednih u nizu onečišćivala koji predstavljaju prijetnju vodenom ekosustavu. U ovom radu ispitana je mogućnost uklanjanja postojanih organskih onečišćivala kao što su pesticidi alaklor, atrazin i diuron iz vodene otopine primjenom ferata(VI). U sklopu rada ispitan je utjecaj procesnih parametara, pH vrijednosti (5, 7, 9) te koncentracija ferata (2,50 mM, 5,00 mM, 7,50 mM), na učinkovitost uklanjanja predmetnih onečišćivala. Promjena koncentracije pesticida praćena je tekućinskom kromatografijom visoke djelotvornosti. U svim slučajevima najveći doseg uklanjanja postignut je s najvišom ispitanom koncentracija ferata. Kiseli uvjeti pogodovali su razgradnji alaklora i atrazina, dok su neutralni uvjeti pogodovali razgradnji diurona.

Abstract (english)

Water as a source of life is a priceless treasure that is becoming increasingly important nowadays due to the growth of the economy that draws more and more of it, the population that is also growing exponentially, and climate changes that affect all life on the planet. Micropollutants are only one of a series of pollutants that pose a threat to the aquatic ecosystem. In this work, the possibility of removing persistent organic pollutants such as the pesticides alachlor, atrazine and diuron from an aqueous solution using ferrate(VI) was examined. As part of the work, the influence of process parameters, pH values (5, 7, 9) and ferrate concentration (2.50 mM, 5.00 mM, 7.50 mM) on the effectiveness of removing the pollutants in question was examined. The change in pesticide concentration was monitored by high-performance liquid chromatography. In all cases, the highest removal reach was achieved with the highest tested ferrate concentration. Acidic conditions favored the degradation of alachlor and atrazine, while neutral conditions favored the degradation of diuron.

• Keywords: otpadna voda; postojana organska onečišćivala; pesticidi; oksidacija; ferat(VI)
• Keywords (english): waste water; persistent organic pollutants; pesticides; oxidation; ferrate(VI)
• Language: croatian
• URN:NBN: urn:nbn:hr:149:173648
• Study programme: Title: Materials Science and Engineering - Graduate study; Study programme type: university; Study level: graduate; Academic / professional title: sveučilišni/a magistar/magistra inženjer/inženjerka kemijskog inženjerstva (sveučilišni/a magistar/magistra inženjer/inženjerka kemijskog inženjerstva)
• Type of resource: Text
• File origin: Born digital
• Access conditions: Embargoed access; Embargo expiration date: 2025-01-06
• Created on: 2023-11-21 11:54:17