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Journal : World Chemical Engineering Journal

THE EFFECT OF NAOH CATALYST RATIO ON MANUFACTURING BIODISEL FROM OFFGRADE CPO Hartono, Rudi; Muklis, Muklis; Pamungkas, Wisnhu
World Chemical Engineering Journal VOLUME 4 NO. 2 DECEMBER 2020
Publisher : Chemical Engineering Department, Engineering Faculty, Universitas Sultan Ageng Tirtayasa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.62870/wcej.v4i2.10595

Abstract

Biodiesel is a type of alternative diesel fuel derived from plant oils or animal fats produced through the transesterification process. Previous biodiesel studies have stated that esterification reactions are carried out when the content of free fatty acids in vegetable oil raw materials is greater than 2%. If the content of free fatty acids is smaller than 2% then the process of transesterification reaction is carried out.                The research aims to find out the optimum operating conditions of biodiesel manufacturing with low grade CPO raw materials using the esterification and transesterification process. The research began with the analysis of low grade CPO raw materials, then carried out the esterification process with the H2SO4 catalyst and continued the transesterification process with NaOH catalyst. Fixed variables in the study were oil volume, 1% of H2SO4 catalyst, mole ratio of oil and methanol 1:6, reaction time and reaction temperature of 60 oC. The fixed variables in the study were NaOH catalyst ratios in the transesterification process of 0.5%, 1% and 1.5%. The oil obtained is analyzed the content of free fatty acids, density, viscosity, and water content.                The results of the study obtained the physical and chemical properties of low grade CPO, namely water content 0.042% and free fatty acids 49.03. Optimum operating conditions are obtained with a catalyst ratio of NaOH of 1% with a methyl ester yield of 60.80%. The resulting methyl ester has a viscosity value of 5,381 cSt, a density of 870 kg/m3, an acidic content of 0.11 and a water content of 0.028.
Co-Authors Aditya Pradana, Aditya Adriyani, Annesa Agung Suharyanto Ahmad, Rivai Akbar, Muhammad Nur Alif Alfiana Alfiana Amaral, Leonardo Bele Bau Amir Razak Anantadjaya, Samuel PD Ani Purwanti Apria Dwi, Bagas Ardiani Ika Sulistyawati Arizsyah, Dliyaul Awlia Awaludin, Dipa Teruna Azizah, Rifka Noor Barkah, Siti Dewi Yanti, Nurjana Dion Awfa Ellyana, Cut Putri Emsa, Tasmiati Finasir Finasir Fitria, Laili Fuady, Fuady Gyta Sari Harahap, Dharma Hamsinah Hamsinah, Hamsinah Hanri Malau, Riki Harahap, Darmadi Erwin Henefryani, Septia Hermayani, Devita Ikhwani Ratna Imami, Ahmad Daudsyah Indradewa, Rhian Istiqomah Shariati Zamani Jaya, Rony Jayanti, Ansri KURNIA KURNIA, KURNIA Kusniyati Utami Larbiel Hadi M. Faisi Ikhwali M. Rachmadi, M. Malau, Riki Handri Martias, Dony Mukrodi, Mukrodi Muslim Muslim N. Nazaruddin Nahesson Hotmarama Panjaitan Nasrah, Hidayati Nawangwulan, Irma M Novrianty, Irma Nur Novilina Arifianingsih NURLIANA NURLIANA Nurwahidah, Ari Nuryadi Nuryadi Pamungkas, Wisnhu Panji Suroso Prayogo, Wisnu Purnawan Purnawan Putro, Rizki Listyono Rachmadi, M. Rachmadi Rachmat Mulyana Rafi, Mhd. Rahmawaty, Rahmawaty Ratnawati Ratnawati Rizqi, Miftahul Robby Hidajat Rokhimah, Rokhimah Romus, Mahendra Rudi Hartono Ruknan, Ruknan Sapiri, Muhtar Sarmento, Ângela Laura Sofia Sattar Sattar, Sattar Septiariva, Iva Yenis Shofwani, Siti Aniqoh Siti Munawaroh Sri Hastutik Sri Sunarsih Suryawan, I Wayan Koko Syahrizal, Onal Tobing, Toman Golfrid F Wasliah, Indah Wiflihani Wiflihani Yusrina Yusrina Zamzami