THE EFFECT OF UV LIGHT ON THE YIELD AND CHARACTERISTICS OF BIODIESEL FROM CANDLENUT OIL USING A TiO2-K2O/NATURAL ZEOLITE COMPOSITE

Muhammad Triyogo Adiwibowo, Indar Kustiningsih, Alia Badra Pitaloka, Wardalia Wardalia, Tati Jumiarti, Hani Mulyani

Abstract


This study examines the effect of UV irradiation on the yield and physical characteristics of biodiesel from candlenut oil using a TiO2-K2O/natural zeolite composite. Natural zeolite was activated with KOH and impregnated with TiO2. The formed composite was analyzed with an X-ray diffractometer. Biodiesel was synthesized with candlenut oil to methanol molar ratio and catalyst loading (w/w oil) 1:4, 1:6, 1:8, and 2, 4, and 6%, respectively. The XRD analysis shows peak patterns of anatase and rutile TiO2, K2O, and zeolite. UV light can increase biodiesel yield, with the highest yield at 82.08% at oil to methanol molar ratio of 1:8 and a catalyst loading of 2%. The physical properties of biodiesel are in accordance with national standard SNI 7182:2015. GCMS results shows that the main components of fatty acid methyl ester from biodiesel are methyl oleate, methyl palmitate, and methyl linoleate.  


Keywords


Biodiesel; Candlenut oil; Yield; Ultraviolet (UV) light; TiO2-K2O/natural zeolite

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DOI: http://dx.doi.org/10.36055/jip.v12i1.19881

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