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Title:Predelava odpadnega jedilnega olja in maščob : magistrsko delo
Authors:ID Kralj, Analina (Author)
ID Urbancl, Danijela (Mentor) More about this mentor... New window
ID Goričanec, Darko (Comentor)
Files:.pdf MAG_Kralj_Analina_2024.pdf (4,61 MB)
MD5: 2F01B57026E3F2F25B2DE87BE0FA9268
 
Language:Slovenian
Work type:Master's thesis/paper
Typology:2.09 - Master's Thesis
Organization:FKKT - Faculty of Chemistry and Chemical Engineering
Abstract:Nepravilno odlaganje odpadnega olja in maščob v današnji družbi predstavlja velik ekološki problem zaradi številnih posledic. Odpadno olje, ki ne pristane na posebej primernih odlagališčih onesnaži prst, uničuje mikroorganizme ter popolnoma spremeni biološke in kemijske procese v prsti. S pravilnim ravnanjem poskrbimo za njegovo predelavo in odpadno kuhinjsko olje spremenimo v dragoceno surovino za proizvodnjo metanola. Ena izmed možnih predelav je pretvorba odpadnih olj v metanol ali druge pomembne kemikalije. V magistrskem delu so prikazane simulacije uplinjanja 4 različnih odpadnih olj (sončničnega, palmovega, olivnega in repičnega olja) in nadaljnja proizvodnja metanola. Uplinjanje olja v sintezni plin je postopek, pri katerem se odpadno olje pretvori v plinasto obliko. Sintezni plin (sestavljen predvsem iz vodika, ogljikovega dioksida, ogljikovega monoksida) se uporabi kot surovina za pridobivanje metanola. V zaključnem delu želimo poiskati kritične parametre, ki ključno vplivajo na proces pridelave metanola. Z analizo občutljivosti ugotoviti, kako obratovalni pogoji vplivajo na množinski pretok metanola in določiti optimalne pogoje. Iz rezultatov sklepamo, da je proizvodnja metanola odvisna od vrste uporabljenega odpadnega olja in od obratovalnih pogojev. Ugotovili smo, da je največja proizvodnja metanola dosežena z uporabo repičnega olja. Z oceno stroškov pogonskih sredstev smo preračunali, da je takšen proces stroškovno dražji, saj potrebuje največ energije za delovanje. Povzamemo lahko, da so olja z višjo vsebnostjo ogljikovodikov bolj primerna za proizvodnjo metanola. Sledita olivno in sončnično olje, medtem ko se palmovo olje izkaže za najmanj učinkovito.
Keywords:Odpadno jedilno olje, uplinjanje, sintezni plin, metanol
Place of publishing:Maribor
Place of performance:Maribor
Publisher:[A. Kralj]
Year of publishing:2024
Number of pages:1 spletni vir (1 datoteka PDF (X, 70 f.))
PID:20.500.12556/DKUM-87378 New window
UDC:628.477.1(043.2)
COBISS.SI-ID:193772291 New window
Publication date in DKUM:28.03.2024
Views:502
Downloads:81
Metadata:XML DC-XML DC-RDF
Categories:KTFMB - FKKT
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Licences

License:CC BY-NC-ND 4.0, Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International
Link:http://creativecommons.org/licenses/by-nc-nd/4.0/
Description:The most restrictive Creative Commons license. This only allows people to download and share the work for no commercial gain and for no other purposes.
Licensing start date:13.03.2024

Secondary language

Language:English
Title:Reprocessing of waste oil and fat
Abstract:Improper disposal of waste oil and grease in today's society poses a significant ecological problem due to numerous consequences. Waste oil that does not end up in specifically designated landfills contaminates the soil, destroys microorganisms, and completely alters the biological and chemical processes in the soil. Proper management ensures its processing, transforming waste kitchen oil into a valuable raw material for methanol production. The master's thesis presents simulations of gasification of four different waste oils (sunflower, palm, olive, and rapeseed oil) and subsequent methanol production. Oil gasification is a process where waste oil is converted into a gaseous form. Synthetic gas (composed mainly of hydrogen, carbon dioxide, carbon monoxide) is used as a raw material for methanol production. In the concluding part, we aim to identify critical parameters that significantly effect the methanol production process. Through sensitivity analysis, we determine how operational conditions affect the mass flow of methanol and establish optimal conditions. From the results, we conclude that methanol production depends on the type of waste oil used and operational conditions. We found that the highest methanol production is achieved using rapeseed oil. Economic analysis showed that such a process is more expensive, as it requires the most energy to operate. In summary, oils with higher hydrocarbon content are more suitable for methanol production. Olive and sunflower oils follow, while palm oil proves to be the least efficient.
Keywords:Waste cooking oil, gasification, syngas, methanol


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