Atmojo, Sudibyo (2023) Interesterifikasi Biodiesel Dengan Enzim Lipase Komersial Berbahan Dasar Minyak Jelantah Dan Acyl Acceptor Metil Asetat. Undergraduate thesis, Politeknik Negeri Jember.
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Abstract
Indonesia needs an alternative energy as an effort to increase the renewable energy uses so that it is able to supply its energy demand, one type of the renewable energies that need to be increased is biodiesel. Biodiesel in this research is made through interesterification reaction between waste cooking oil with methyl acetate. Interesterification is a reaction between oil with alkyl acetate group as acyl acceptor. This research aims to generate biodiesel sample with the highest yield through eco-friendly method by using a lipase enzyme catalyst. This research uses a variation of molar ratio waste cooking oil to methyl acetate 1:6, 1:9, and 1:12 with reaction temperature 40, 45, and 50°C, each sample was reacted for 10 hours with addition of 30% lipase enzyme catalyst based on oil weight, then stirred using a magnetic stirrer at 150 rpm. The highest yield shows in the MM2T2 sample or sample with variation of molar ratio 1:9 and reaction temperature 45 °C with 80,5 % of biodiesel yields. The MM2T2 sample was tested for characteristics based on SNI 7182:2015 and obtained the characteristics of biodiesel which has a 904 Kg/m3 of density, 29,18 cSt of kinematic viscosity, ≥100 of cetane number, 2,1 mg-KOH/g of acid number, 58 g-I2/100g of iodium number, 10,86 % of methyl ester values, 37,91 MJ/Kg of calorific values, 1,06 % of FFA degrees.
| Item Type: | Thesis (Undergraduate) | ||||||
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| Uncontrolled Keywords: | Biodiesel, Lipase Enzyme, Interesterification, Methyl Acetate, Waste Cooking Oil | ||||||
| Subjects: | 410 - Rumpun Ilmu Teknik > 470 - Teknologi Kebumian > 474 - Teknik Perminyakan (Perminyakan) | ||||||
| Divisions: | Jurusan Teknik > Prodi D4 Teknik Energi Terbarukan > Tugas Akhir | ||||||
| Depositing User: | Sudibyo Atmojo | ||||||
| Date Deposited: | 07 Jul 2023 03:32 | ||||||
| Last Modified: | 07 Jul 2023 03:33 | ||||||
| URI: | https://sipora.polije.ac.id/id/eprint/24450 |
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