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Title:
Določevanje stopnje depolimerizacije PET s pomočjo titracij
Authors:
ID
Spahič, Vanja
(Author)
ID
Fras Zemljič, Lidija
(Mentor)
More about this mentor...
ID
Vajnhandl, Simona
(Comentor)
Files:
UN_Spahic_Vanja_2016.pdf
(1,20 MB)
MD5: 6251569717368AAC7745B674D385E055
Language:
Slovenian
Work type:
Bachelor thesis/paper
Typology:
2.11 - Undergraduate Thesis
Organization:
FS - Faculty of Mechanical Engineering
Abstract:
Zaradi naraščanja svetovnega prebivalstva in posledično večje proizvodnje, uporabe in odlaganja polimernih materialov, je recikliranje le-teh postala nujnost . Polietilen tereftalat (PET) je v tekstilni industriji najbolj uporabljen sintetični material, kljub temu pa je recikliranje PET-a iz tekstilnih materialov manj raziskano področje. V diplomskem delu smo PET vlakna depolimerizirali s postopkom nevtralne hidrolize, stopnjo depolimerizacije pa določili s pomočjo titracij. Rezultati so pokazali, da se je PET najbolje razgradil pri temperaturi 250 oC, tlaku 39 barov, razmerju PET : voda 1:10 ter reakcijskem času 30 min. Titracije so se izkazale za primerno metodo za ocenitev stopnje razgradnje PET-a. Zaključki diplomske naloge so obetavni in odpirajo nove možnosti raziskav na področju titracij kot hitrih in enostavnih metod.
Keywords:
depolimerizacija
,
polietilen tereftalat
,
nevtralna hidroliza
,
recikliranje
,
titracije
Place of publishing:
Maribor
Publisher:
[V. Spahič]
Year of publishing:
2016
PID:
20.500.12556/DKUM-63313
UDC:
678.095.268(043.2)
COBISS.SI-ID:
20426518
NUK URN:
URN:SI:UM:DK:ATILNLYU
Publication date in DKUM:
05.10.2016
Views:
1875
Downloads:
111
Metadata:
Categories:
KTFMB - FS
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:
SPAHIČ, Vanja, 2016,
Določevanje stopnje depolimerizacije PET s pomočjo titracij
[online]. Bachelor’s thesis. Maribor : V. Spahič. [Accessed 14 March 2025]. Retrieved from: https://dk.um.si/IzpisGradiva.php?lang=eng&id=63313
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Secondary language
Language:
English
Title:
Determination of the degree of depolymerisation of PET by means of titrations
Abstract:
Due to the increasing world population and the resulting increased production, use and disposal of plastic materials and recycling them has become a necessity. Polyethylene terephthalate (PET) is in the textile industry the most used synthetic material, however, the recycling of PET textile materials is less researched area. In this thesis PET fibers were depolymerized with the procedure neutral hydrolysis and the rate of depolymerization was determined by titration. The results showed that PET was most degraded at a temperature of 250 °C, a pressure of 39 bar, a ratio of PET: water 1:10 and a reaction time of 30 min. Titration have proven to be an appropriate method to evaluate the degree of degradation of PET. The conclusions of the thesis are promising and opening up new possibilities for research in the field of titrations as quick and easy methods.
Keywords:
depolymerization
,
polyethylene terephthalate
,
neutral hydrolysis
,
recycling
,
titration
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