20.500.12556/RUL-186728 Primerjava učinkovitosti TiO2 pri fotokatalitski razgradnji različnih organskih onesnaževal Comparison of the efficiency of TiO2 in the photocatalytic degradation of various organic pollutants Raziskana je bila učinkovitost UV/TiO2 fotokatalize pri razgradnji organskih onesnaževal v vodi. Obravnavanih je bilo šest farmacevtskih učinkovin in dve tekstilni barvili. Cilj je bil primerjati njihovo razgradnjo ter ovrednotiti vpliv prisotnosti več farmacevtskih učinkovin v isti raztopini. Razgradnja učinkovin je bila spremljana z metodo HPLC, razgradnja barvil z UV-Vis spektrofotometrijo, stopnja mineralizacije pri obeh pa z določitvijo celokupnega organskega ogljika (TOC). Rezultati so pokazali različne hitrosti razgradnje posameznih farmacevtskih učinkovin, pri čemer sta se najhitreje razgrajala oksitetraciklin (OTC) in naproksen (NAP). Pri mešanici učinkovin so bile opažene razlike v hitrosti razgradnje glede na posamezne spojine. Pri obeh barvilih se je absorbanca med fotokatalizo izrazito zmanjšala, kar kaže na učinkovito razgradnjo. Meritve TOC niso dale dovolj zanesljivih rezultatov za potrditev mineralizacije vseh analiziranih spojin. The efficiency of UV/TiO2 photocatalysis in the degradation of organic pollutants in water was investigated. Six pharmaceutical active ingredients and two textile dyes were examined. The aim was to compare their degradation and evaluate the effect of the presence of several pharmaceutical active ingredients in the same solution. The degradation of the active ingredients was monitored by HPLC, the degradation of the dyes by UV-Vis spectrophotometry, and the degree of mineralization of both by measuring total organic carbon (TOC). The results showed different degradation rates of individual pharmaceutical active ingredients, with oxytetracycline (OTC) and naproxen (NAP) degrading the fastest. In the mixture of active ingredients, differences in the degradation rate were observed depending on the individual compounds. For both dyes, the absorbance during photocatalysis decreased significantly, indicating efficient degradation. TOC measurements did not provide sufficiently reliable results to confirm the mineralization of all analysed compounds. fotokataliza farmacevtske učinkovine tekstilna barvila photocatalysis pharmaceutical active ingredients textile dyes true false false Slovenski jezik Angleški jezik Diplomsko delo/naloga 2026-09-04 10:35:05 2026-09-04 10:35:14 2026-09-06 03:34:51 0000-00-00 00:00:00 2026 0 0 0000-00-00 NiDoloceno NiDoloceno NiDoloceno 0000-00-00 0000-00-00 0000-00-00 1970-01-01 25936 Dornik_Robi_-_Primerjava_ucinkovitosti_TiO2_pri_fotokatalitski_razgradnji_razlicnih_organskih_on.pdf Dornik_Robi_-_Primerjava_ucinkovitosti_TiO2_pri_fotokatalitski_razgradnji_razlicnih_organskih_on.pdf 1 9527F75FA701F923B55711D613282613 108bcd9773b46b451fbd84bafaf98defbeb6c476f2948125e1e8cd4d3a7675d7 8c00beac-a83b-11f1-8bc5-0050569b8976 https://repozitorij.uni-lj.si/Dokument.php?lang=slv&id=246067 Fakulteta za kemijo in kemijsko tehnologijo 0 0 0