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Adsorpcija kovin iz odpadnih vod na mikroplastiko
ID
Simončič, Mojca
(
Avtor
),
ID
Kalčikova, Gabriela
(
Mentor
)
Več o mentorju...
PDF - Predstavitvena datoteka,
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(1,39 MB)
MD5: AA337425BE501567946957D3513BF0B6
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Izvleček
Mikroplastika so plastični delci manjši od 1 mm, ki jih lahko najdemo v zraku, vodi, zemlji in sedimentih, v zelo različnih oblikah, barvah in kemijskih sestavah. Mikroplastika v naravnem okolju adsorbira in akumulira različna onesnaževala, kot so obstojna organska onesnaževala in kovine. Koncentracije onesnaževal na mikroplastiki so lahko tudi od 10 do 100-krat višje od tistih, ki jih najdemo v okolju. V magistrskem delu smo se osredotočili na adsorpcijo kovin na mikroplastiko. Najprej smo preiskovali adsorpcijo kovin iz odpadne vode na mikroplastiko pridobljeno iz kozmetičnih izdelkov. To mikroplastiko smo tudi okarakterizirali s pomočjo analize porazdelitve velikosti delcev in s SEM/EDS analizo. V drugem delu smo adsorbirali kadmij na mikroplastiko, ki je bila obraščena z biofilmom in je tako najbolj podobna mikroplastiki v okolju. Ugotovili smo, da je adsorpcija kadmija bistveno višja na mikroplastiki obdani z biofilmom, kot na mikroplastiki brez biofilma.
Jezik:
Slovenski jezik
Ključne besede:
adsorpcija
,
biofilm
,
kadmij
,
kovine
,
mikroplastika
Vrsta gradiva:
Magistrsko delo/naloga
Tipologija:
2.09 - Magistrsko delo
Organizacija:
FKKT - Fakulteta za kemijo in kemijsko tehnologijo
Leto izida:
2022
PID:
20.500.12556/RUL-138878
COBISS.SI-ID:
120546819
Datum objave v RUL:
24.08.2022
Število ogledov:
1006
Število prenosov:
63
Metapodatki:
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:
SIMONČIČ, Mojca, 2022,
Adsorpcija kovin iz odpadnih vod na mikroplastiko
[na spletu]. Magistrsko delo. [Dostopano 5 april 2025]. Pridobljeno s: https://repozitorij.uni-lj.si/IzpisGradiva.php?lang=slv&id=138878
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Objavi na:
Sekundarni jezik
Jezik:
Angleški jezik
Naslov:
Adsorption of metals from wastewater onto microplastics
Izvleček:
Microplastics are small plastic pieces up to one millimetre long. They can be found in air, water, soil and sediments in different shapes, colours and chemical compositions. Microplastics in the environment can adsorb and accumulate different pollutants, such as pharmaceuticals, persistent organic pollutants and metals. Concentrations of pollutants accumulated on such particles can be 10–100 times higher than the concentrations in the surrounding environment. The aim of the master's thesis was to evaluate if metals can be adsorbed onto microplastics. We first investigated the adsorption of metals from wastewater onto microplastics, which are obtained from cosmetic products. The morphological properties of this microplastic were characterized by particle size distribution analysis and SEM/EDS analysis. In the second part, we verified the adsorption of cadmium onto microplastics with biofilm, which are the most similar to microplastics in the environment. Adsorption of cadmium is significantly higher on microplastics with biofilm, than on microplastics without it.
Ključne besede:
adsorption
,
biofilm
,
cadmium
,
metals
,
microplastic
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