Andira, Ayu (2023) KINETIKA REAKSI TRANSESTERIFIKASI PADA MINYAK JELANTAH DENGAN MENGGUNAKAN KATALIS NATRIUM HIDROKSIDA HOMOGEN. Undergraduate thesis, Universitas Pembangunan Nasional "Veteran" Jawa Timur.
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Abstract
Used cooking oil has considerable potential to be developed into biodiesel fuel because it has high levels of fatty acids. Biodiesel is known as an environmentally friendly fuel because it produces relatively cleaner exhaust emissions compared to diesel derived from plant oils or animal fats. NaOH and KOH are commonly used catalysts. Based on previous research using a heterogeneous NaOH catalyst inserted into methanol, the kinetic model chosen in the research is based on the assumption that transesterification is a first order reaction and is a function of the concentration of non-methyl ester (NME) and reaction temperature. The rate of the tranesterification reaction is also greatly influenced by the reaction temperature. Therefore, researchers tried to conduct research with the title "Kinetics of Transesterification Reactions in Used Cooking Oil Using a Homogeneous Sodium Hydroxide Catalyst". This research aims to determine the speed of the transesterification reaction rate and the activation energy in the transesterification process. Put the used cooking oil into a beaker glass, then add methanol in a ratio of 12:1, then set the temperature and stirring speed on the magnetic stirrer according to what has been determined. The temperature used is 40oC; 45oC; 50oC; 55oC; 60oC with reaction time 10 minutes; 20 minutes; 30 minutes; 40 minutes; 50 minutes. After the temperature and stirring speed are appropriate, add methanol and catalyst according to the specified concentration. Then wait according to the specified stirring time. Once finished, leave the solution for 24 hours so that the solution separates and 2 layers form. The top layer is methyl ester (biodiesel) and methanol residues while the bottom layer is triglycerol. The two layers were separated with a separating funnel. Then a kinetic analysis of the transesterification reaction was carried out The activation energy resulting from the transesterification reaction is 1.49134.
| Item Type: | Thesis (Undergraduate) | ||||||||
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| Subjects: | T Technology > TP Chemical technology T Technology > TP Chemical technology > TP155 Chemical engineering |
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| Divisions: | Faculty of Engineering > Departement of Chemical Engineering | ||||||||
| Depositing User: | Ayu andira | ||||||||
| Date Deposited: | 21 May 2024 03:33 | ||||||||
| Last Modified: | 21 May 2024 03:33 | ||||||||
| URI: | https://repository.upnjatim.ac.id/id/eprint/21803 |
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