Pemanfaatan Hasil Kondensasi Oli Bekas Menjadi Bahan Aditif Aspal dengan Metode Sulfonasi

Yunus Tonapa Sarungu, Agustinus Ngatin

Abstract


Increased use of motorized vehicles causes an increase in used oil waste. Waste used oil is classified into B3 waste which can damage the environment. This study aims to utilize the results of used oil condensation as raw material for the manufacture of asphalt additives by sulfonation method. The sulfonation process was carried out by reacting the results of used oil condensation using 98% H2SO4 reagent with volume variations (2.5 mL; 5 mL; 7.5 mL; 10 mL and 12.5 mL) and 70% HNO3 (1.5 mL; 2.5 mL and 3.5 mL) at a temperature of 25˚C with a stirring speed of 135 rpm for 30 minutes. The results obtained showed that the addition of 12.5 mL of 98% H2SO4 and 3.5 mL of 70% HNO3 resulted in the mass of the most sulfonated product. This sulfonation product was added with asphalt at a concentration of 60% sulfonation products at 150 ˚C resulting in a mixture of asphalt products with a penetration value of 36 mm, ductility of 60 cm, flash point 194 ˚ C, burn point 200 bakar C, and softening point 68.5 ek C. The results obtained show that asphalt still has sub-standard quality (pen type 60/70) for paving the road.


Keywords


waste lube oil, condensation, sulfonation, additives, asphalt

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