Ethanesulfonic acid-based esterification of industrial acidic crude palm oil for biodiesel production

Adeeb Hayyan, Farouq S. Mjalli*, Mohd Ali Hashim, Maan Hayyan, Inas M. AlNashef, Saeed M. Al-Zahrani, Mohammed A. Al-Saadi

*المؤلف المقابل لهذا العمل

نتاج البحث: المساهمة في مجلةArticleمراجعة النظراء

37 اقتباسات (Scopus)

ملخص

An industrial grade acidic crude palm oil (ACPO) pre-treatment process was carried out using ethanesulfonic acid (ESA) as a catalyst in the esterification reaction. ESA was used in different dosages to reduce free fatty acid (FFA) to a minimum level for the second stage of biodiesel production via alkaline transesterification reaction. Different process operating conditions were optimized such as ESA dosage (0.25-3.5% wt/wt), methanol to ACPO molar ratio (1:1-20:1), reaction temperature (40-70°C), and reaction time (3-150. min). This study revealed the potential use of abundant quantities of ACPO from oil palm mills for biodiesel production. The lab scale results showed the effectiveness of the pre-treatment process using ESA catalyst. Three consecutive catalyst recycling runs were achieved without significant degradation in its performance. Second and third reuse runs needed more reaction time to achieve the target level of FFA content. Esterification and transesterification using ESA and KOH respectively is proposed for biodiesel industrial scale production. The produced biodiesel meets the international standards specifications for biodiesel fuel (EN 14214 and ASTM D6751).

اللغة الأصليةEnglish
الصفحات (من إلى)9564-9570
عدد الصفحات7
دوريةBioresource Technology
مستوى الصوت102
رقم الإصدار20
المعرِّفات الرقمية للأشياء
حالة النشرPublished - أكتوبر 2011

ASJC Scopus subject areas

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