Octaviani, Tia (2017) PENGARUH ADSORBEN ARANG AKTIF DARI VARIASI BAHAN BAKU TERHADAP BILANGAN ASAM DAN BILANGAN PEROKSIDA MINYAK JELANTAH. Skripsi thesis, Universitas Setia Budi Surakarta.
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Abstract
The waste cooking oil has decreased the quality of the change of color, taste, smell, chemical composition and contain carcinogenic compounds. The activated carbon is an adsorbent that can reduce the level of acid and peroxide in waste cooking oil. The raw material of an active carbon is a waste that containing many cellulose, hemicellulose and lignin. This study aims to determine the level of acid and peroxide of the waste cooking oil before and after the addition of each variation of the type of activated carbon as well as to know the type of activated carbon which is made from what the most optimum raw materials in decreasing level of acid and peroxide. This study uses the variation on the raw material of the activated carbon that is sugarcane dregs, coconut shell, coconut husk, and rice husk. Carbonation process uses furnace with the temperature 400 oC for 30 minutes and it’s activated with KOH 2 N solvent. The purification of waste cooking oil is made by adding the activated carbon and stirring with the tempo 400 rpm for 1 hour. The determination of acid number is made with alkalimetry method while peroxide number with iodometry method. The average results of the level of acid number on the waste cooking oil after adding the activated carbon of sugarcane dregs, coconut shell, coconut husk and sugarcane dregs successively, that is 0,87 mg KOH/g; 0,35 mg KOH/g; 0,41 mg KOH/g; 0,46 mg KOH/g and 0,48 mg KOH/g. The average results of the level of peroxide number on the waste cooking oil after adding the activated carbon of sugarcane dregs, coconut shell, coconut husk and sugarcane dregs successively, that is 13,45 mek O2/kg, 4,89 mek O2/kg; 5,89 mek O2/kg; 7,22 mek O2/kg dan 8,22 mek O2/kg. The results show that the activated carbon of sugarcane dregs is the most optimum in decreasing the number of acid and peroxide. Keywords : Waste Cooking Oil, Active Carbon, Acid Number, Peroxide Number
| Item Type: | Thesis (Skripsi) |
|---|---|
| Uncontrolled Keywords: | Keywords : Waste Cooking Oil, Active Carbon, Acid Number, Peroxide Number |
| Subjects: | R Medicine > R Medicine (General) |
| Divisions: | Fakultas Ilmu Kesehatan > Prodi D4 Analis Kesehatan |
| Depositing User: | Herera Gadys USB |
| Date Deposited: | 23 Feb 2019 02:58 |
| Last Modified: | 23 Feb 2019 02:58 |
| URI: | http://repo.setiabudi.ac.id/id/eprint/619 |
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