Naslov
Degradation of polyolefins by Fenton and Photo- Fenton processes

Autori
Bule, Kristina ; Prevarić, Viktorija ; Cvetnić, Matija ; Ukić, Šime ; Bolanča, Tomislav ; Miloloža, Martina ; Kučić Grgić, Dajana ; Markić, Marinko

Vrsta, podvrsta i kategorija rada
Sažeci sa skupova, sažetak, znanstveni

ISBN
978-953-7986-31-5

Skup
Food&Climate Change

Mjesto i datum
Koprivnica, Hrvatska, 15.10.2021. - 16.10.2021

Vrsta sudjelovanja
Poster

Vrsta recenzije
Nije recenziran

Ključne riječi
microplastic ; polypropylene ; polyethylene ; advanced oxidation processes ; Fenton proces ; photo-Fenton process
(microplastic ; polypropylene ; polyethylene ; advanced oxidation processes ; Fenton process ; photo-Fenton process)

Sažetak
Due to its great characteristics and low price, the production of plastic materials has increased significantly in the last few decades. Unfortunately, most plastic waste is not disposed of appropriately what consequently caused their entering in the environment. After disposal to environment, plastics start to disintegrate, lose their properties and break down into smaller pieces, which are define as microplastics (MP). In this thesis, advanced oxidation processes (AOPs), Fenton and photo-Fenton, as the methods of polyethylene (PE) and polypropylene (PP) MP degradation have been investigate. During decomposition of these polyolefins by AOPs, the influence of oxidant ratio (H2O2 and Fe2+ ion) and pH changes were monitored. The exposure time of UV-C radiation and mass of MP were constant. The Fenton process was carried out as a photo-Fenton process but without exposure to UV-C radiation. AOPs were investigate according to the Full- Factorial design of experiments for determining the optimal conditions for degradation of MP. In the purpose to determine the changes in the surface of MP, FTIR spectroscopy was applied. Comparing the results obtained after the Fenton and photo-Fenton processes, the photo-Fenton process proved more efficient in most of the tested conditions for both examined MP.

Izvorni jezik
Engleski

Znanstvena područja
Kemija, Kemijsko inženjerstvo, Interdisciplinarne tehničke znanosti

POVEZANOST RADA