CD Skripsi
Analisis Pengaruh Konsentrasi Aktivator H2so4 Dan Naoh Serta Ukuran Partikel Zeolit Menggunakan Gabungan Metode Terhadap Kualitas Hasil Pemurnian Oli Bekas
ABSTRACT
The rising quantity of automobiles has resulted in a heightened need for engine
lubricating oil, which has an impact on the increasing amount of used oil waste.
Used oil is classified as B3 waste that has the potential to pollute the environment
if not managed properly. One way to manage it is by refining used oil into an
alternative diesel fuel. This is because used oil still contains base oil that can be
reused as fuel. This study aims to determine the best variation of the use of H2SO4
and NaOH and the size of zeolite particles in refining used oil using a combination
of purification methods. In this study, the characteristics of the purified used oil
fuel were tested for density, specific gravity, viscosity, water content, calorific
value, and visual appearance. The research method used was the acid and clay
method with variations of H2SO4 and NaOH with values of 5%, 6%, and 7%
respectively and variations in zeolite particle size of 0,098 mm, 0,090 mm, and
0,074 mm, then purification by distillation method at a temperature of 400oC. The
results of the study showed that fuel with an activator concentration of H2SO4 and
NaOH of 7% and a zeolite particle size of 0,074 mm with a combination of methods
is the best variation that has met the diesel quality standards according to the
Decree of the Director General of Oil and Gas 146 K/10/DJM/2020. In addition,
the combination of acid-clay and distillation methods can improve the quality of
fuel from used oil refining compared to using only one refining method. The density
value obtained is 837,68 kg/m3, specific gravity of 0,8377, viscosity of 2,13 mm2/s,
water content of 13,45 mg/kg, calorific value of 10.964 kcal/kg, and the visual
appearance looks clear and bright.
Keywords: Used Oil, H2SO4, NaOH, Zeolite Particle Size, Distillation
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