What is it about?
The abundance of local palm oil stocks in Indonesia makes a reason to process palm oil based oleochemical products into biolubricant products. Besides that, there is a demand to find a bio-based lubricant that is more environmentally friendly. Chemical modification is one way to process palm kernel oil through an esterification reaction using Bayah natural zeolite as a catalyst. The Bayah zeolite is modified by wet impregnated with nickel salt. In this study, the palm kernel oil was reacted with ethyleneglycol and refluxed at 150 ℃ for 3 h to produce a biolubricant product BP-EG-NiZB. The preliminary analysis of biolubricant was conducted by gas chromatography and Fourier Transform Infra Red. The GC-MS analysis performed formation compound of biolubricant such as hexadecanoid acid, methyl ester and octanoic acid, 2-butyl ester. Spectra infrared from FT-IR also support formation of the changes in particular functional groups of O-H alcohol at 3400 nm−1 and C-O ester at 1233 nm−1. Moreover, the oxidation number of biolubricant is 66.01 abs/0.1 mm.
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Why is it important?
The results of this study indicate that impregnation of nickel precursor on Bayah Naturalzeolite (ZB) has changed the physical and chemical properties of Bayah zeolite. Theseare proved by several changes in spectral intensity and surface area of Bayah zeolite.The presence of modified catalyst Ni-ZB during synthesis of biolubricant increasedthe viscosity of PKO slightly. Formation of ester carboxylic compounds as a potentialbiolubricant was obtained during synthesis of PKO. However, further investigation onBayah zeolite to increase the performance is recommended for the future.
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This page is a summary of: Performance of Bayah Natural Zeolite in Biolubricant Synthesis of Palm Kernel Oil, January 2022, Springer Science + Business Media,
DOI: 10.1007/978-981-16-9949-8_37.
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