2020
DOI: 10.17576/jsm-2020-4901-04
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Optimization of Response Surface Methodology by D-Optimal Design for Alkaline Hydrolysis of Crude Palm Kernel Oil

Abstract: Crude palm kernel oil (CPKO) was converted into its free fatty acids (FFAs) via alkaline hydrolysis. The reaction optimization was performed using Response Surface Methodology (RSM) through D-optimal design to optimize the conducted hydrolysis parameters. The optimization parameters were varied from 1.5 to 2.5 h of reaction time, 50-70°C of reaction temperature, and ethanolic KOH concentration 1-2 M. The highest percentage of free fatty acids was 98 ± 0.7 % with a percentage fatty acid yield of 84.7 ± 0.6 % un… Show more

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Cited by 13 publications
(2 citation statements)
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“…The crossed D-optimal approach conjugates the mixture component (enzyme composition) and process factors (S/E ratio and hydrolysis time) in a single experimental design and generates a relatively smaller number of experimental runs, which has made it more viable in terms of cost and time, especially when each variable comes with multiple levels [11]. In fact, crossed D-optimal design had been successfully implemented to optimize different hydrolysis conditions for other purposes [12,13]. Therefore, this technique was used in this study.…”
Section: Introductionmentioning
confidence: 99%
“…The crossed D-optimal approach conjugates the mixture component (enzyme composition) and process factors (S/E ratio and hydrolysis time) in a single experimental design and generates a relatively smaller number of experimental runs, which has made it more viable in terms of cost and time, especially when each variable comes with multiple levels [11]. In fact, crossed D-optimal design had been successfully implemented to optimize different hydrolysis conditions for other purposes [12,13]. Therefore, this technique was used in this study.…”
Section: Introductionmentioning
confidence: 99%
“…Sebagai salah sebuah negara pengeluar minyak kelapa sawit utama dunia, industri ini merupakan industri berasaskan pertanian yang sangat penting di Malaysia (Bahadi et al 2020). Namun begitu, industri ini telah menjana sekitar 40 juta tan sisa pepejal hasil pemprosesan buah kelapa sawit setahun.…”
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