Zdravstvena ispravnost bazenskih voda s naglaskom na nusprodukte dezinfekcije i karakterizaciju organske tvari fluorescencijom

master's thesis

• Title (english): Health safety of swimming pool waters with an emphasis on disinfection byproducts and characterization of organic matter by fluorescence
• Author: Ana Jakopić
• Mentor: Josip Ćurko (mentor)
• Mentor: Magdalena Ujević Bošnjak (komentor)
• Committee member: Ana Jurinjak Tušek (predsjednik povjerenstva)
• Committee member: Davor Valinger (član povjerenstva)
• Committee member: Tibor Janči (član povjerenstva)
• Granter: University of Zagreb; Faculty of Food Technology and Biotechnology; (Department of Food Engineering); (Laboratory for Water Technology); Zagreb
• Defense date and country: 2024-09-27, Croatia
• Scientific / art field, discipline and subdiscipline: BIOTECHNICAL SCIENCES; Biotechnology

Abstract

Kvaliteta vode u bazenima ključna je za zdravlje plivača, a ovaj diplomski rad istražuje kvalitetu vode u bazenima s naglaskom na nusprodukte dezinfekcije (DBP), poput trihalometana (THM) i halooctenih kiselina (HAA). Utvrđeno je da 17,7 % uzoraka nije bilo u skladu s Pravilnikom zbog neodgovarajućih koncentracija slobodnog rezidualnog klora, a 11,4 % zbog neodgovarajuće pH vrijednosti. Kloroform, najčešći THM, bio je prisutan u svim uzorcima, a koncentracije HAA (0,5 µg/L – 2978 µg/L) općenito su bile više od THM-a (0,02 µg/L - 272 µg/L). Fluorescencija organske tvari pokazala se korisnom za praćenje opterećenja vode organskom tvari, a uočeno je da fluorescencija nalik triptofanu može biti dobar pokazatelj opterećenja bazenskih voda organskom tvari koja potječe od tjelesnih izlučevina kao što su urin i fekalije. Uočeni trendovi smanjenja koncentracije THM-a u nekim bazenima sugeriraju poboljšanje u kontroli kvalitete vode. Rezultati ukazuju na potrebu za kontinuiranim praćenjem i održavanjem kvalitete bazenske vode radi smanjenja zdravstvenih rizika.

Abstract (english)

Water quality in conventional swimming pools is crucial for swimmers' health, so this thesis addresses the quality of swimming pool water with a focus on disinfection by-products (DBPs) such as trihalomethanes (THMs) and haloacetic acids (HAAs). It was found that 17,7 % of the samples were non compliant with regulations due to inappropriate levels of free residual chlorine, and 11,4 % due to improper pH values. Chloroform, the most common THM, was present in all samples, and HAA concentrations (0,5 µg/L – 2978 µg/L) were generally higher than those of THMs (0,02 µg/L - 272 µg/L). Fluorescence of organic matter proved useful for monitoring the organic load in the water, and it was observed that tryptophan-like fluorescence could be a good indicator of organic matter contamination in pool water, originating from bodily excretions such as urine and feces. Observed trends of decreasing THM concentrations in some pools suggest improvements in water quality control. The results indicate the need for continuous monitoring and maintenance of pool water quality to reduce health risks.

• Keywords: bazenska voda; nusprodukti dezinfekcije; trihalometani; halooctene kiseline
• Keywords (english): swimming pool water; disinfection byproducts; trihalomethanes; haloacetic acids
• Language: croatian
• URN:NBN: urn:nbn:hr:159:526834
• Study programme: Title: Molecular Biotechnology; Study programme type: university; Study level: graduate; Academic / professional title: magistar/magistra inženjer/inženjerka molekularne biotehnologije (magistar/magistra inženjer/inženjerka molekularne biotehnologije)
• Type of resource: Text
• File origin: Born digital
• Access conditions: Open access
• Created on: 2024-10-17 10:44:36