Primastiyaningayu, Andini (2025) Sintesa dan Karakteristik Karbon Aktif dari Batang Pisang Kepok (Musa Acuminata) sebagai Adsorben pada Penjernihan Minyak Goreng Bekas. Undergraduate thesis, UPN Veteran Jawa Timur.
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Abstract
Kepok banana stems contain 58.6% cellulose. That cellulose content makes kepok banana stems can be used as raw materials for making activated carbon. Activated carbon is a material that has high porosity and can be used for the process of adsorbing impurities in the liquid and gas phases. Making activated carbon begins by cutting and washing the kepok banana stems, then drying it under the sun for 7 days. After that, carbonize the dried banana stems at 300℃ for 1 hour. The carbonized carbon is mashed and sieved using a 100 mesh sieve, then activated it using NaOH 0.5; 0.75; 1; 1.25 and 1.5 N for 12; 18; 24; 30; and 36 hours. After activation, the activated carbon is dried using an oven at 100 ℃ until its weight is constant. The best analysis results were obtained on activated carbon that activated with 1.5 N NaOH for 12 hours, which contained 7.8496% water, 9.7186% ash, and 65.3479% fixed carbon. SEM analysis results of activated carbon, before the adsorption process, showed a porous morphological structure and after the adsorption process, its pores are closed. The percentage of FFA reduction reached 94.8057% and the peroxide number reduction reached 86.8978%.
| Item Type: | Thesis (Undergraduate) | ||||||||
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| Subjects: | T Technology > TP Chemical technology > TP155 Chemical engineering | ||||||||
| Divisions: | Faculty of Engineering > Departement of Chemical Engineering | ||||||||
| Depositing User: | Andini Primas | ||||||||
| Date Deposited: | 28 Jul 2025 07:29 | ||||||||
| Last Modified: | 28 Jul 2025 07:29 | ||||||||
| URI: | https://repository.upnjatim.ac.id/id/eprint/41216 |
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