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Sintesis Biopelumas Dari Minyak Biji Karet: Pengaruh Rasio Molar Minyak Dan Oktanol Serta Suhu Reaksi Terhadap Yield Biopelumas

A lubricant is a liquid that is given between two moving metal objects to reduce the friction. Lubricants are applied to industrial machinery and automotive engines. Rubber seed oil is an oil that cannot be consumed because it is poisonous, so it has the potential to be a biolubricant. This research aims to synthesize biolubricant by using rubber seed oil as raw material and determine the effect of oil and octanol mole ratio and reaction temperature to the biolubricant yield. This research was carried out in several stages: preparation of raw materials including extraction of rubber seed oil by pressing method, then continued by degumming process using phosphoric acid (85%) of 0.5% (b/b) oil at a temperature of 90oC for 1 hour and separated by centrifuge for 20 minutes. Then the esterification process used mole ratio of fatty acids : methanol was 1:9 and sulfuric acid (98%) 1% (b/b) oil as a catalyst, this process was did at 65oC and stopped when the oil ALB was < 2%. Then the Transesterification process did to make biolubricant with variations of mole ratio oil : octanol was 1:3, 1:5 and 1:7 and variations temperature reaction of 150oC, 170oC and 190oC. This process was did for 6 hours by adding 3% (v/v) oil of NaOCH3 as a catalyst. The highest yield produced was 86,105%. The best biolubricant characteristics were produced at a mol ratio of 1: 5 and reaction temperature of 190°C with a density of 0.832 gr/ml, viscosity index 198.658, flash point 324oC, pour point 5oC and yield 84.357%. FTIR analysis results showed the formation of ester groups in biolubricant.

Keywords: biolubricants, rubber seed oil, octanol, transesterification

Ketersediaan
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Perpustakaan Universitas Riau 07 02. 119 (0095)
07 02. 119 (0095)
Tersedia
Informasi Detail
Judul Seri
-
No. Panggil
07 02. 119 (0095)
Penerbit
Pekanbaru : Universitas Riau – Fakultas Teknik – Teknik Kimia.,
Deskripsi Fisik
xv, 52 hlm.; ill.; 29 cm
Bahasa
Indonesia
ISBN/ISSN
-
Klasifikasi
07 02. 119 (0095)
Tipe Isi
-
Tipe Media
-
Tipe Pembawa
-
Edisi
-
Subjek
KIMIA
Info Detail Spesifik
-
Pernyataan Tanggungjawab
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Tidak tersedia versi lain

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