Abstract
The purpose of this research was to obtain best consentration of CaO catalyst chicken eggshell in transesterification process on quality of biodiesel produced from pangi seed oil. The treatment of CaO catalyst concentrations in this research was S1 (1%), S2 (1.5%), S3 (2%), S4 (2.5%), and S5 (3%). The collected data were statistically analyzed by using Analysis of Variance (ANOVA) continued by Duncan’s New Multiple Range Test (DNMRT) test at 5% level. The parameters observed were acid value, density, iodium value, saponification value, and cetana number. The results of analysis showed that consentration of CaO catalyst chicken eggshell gave unsignificantly affect on acid value and cetana number but significantly affect on density, iodium value, and saponification value of biodiesel. The chosen treatment in this research was S5 (CaO catalyst 3%). The treatment of S5 has yield 97.99% with characteristics acid value 0.68 mg KOH/g, density 885.22 kg/m3, iodium value 81.41 g I2/100 g, saponification value 179.00 mg KOH/g, and cetana number 58.48. A post-publication change was made to this article on 11 Mar 2020 to correct the conference title in the PDF header.
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