Triglycerides Hydrocracking Reaction of Nyamplung Oil with Non-sulfided CoMo/γ-Al2O3 Catalysts

*Rismawati Rasyid -  Department of Chemical Engineering, Universitas Muslim Indonesia, Makassar 90231,, Indonesia
Rahmaniah Malik -  Department of Industrial Engineering, Universitas Muslim Indonesia, Makassar 90231, Indonesia
Heri Septya Kusuma -  Department of Chemical Engineering, Institut Teknologi Sepuluh Nopember, Surabaya 60111, Indonesia
Achmad Roesyadi -  Department of Chemical Engineering, Institut Teknologi Sepuluh Nopember, Surabaya 60111, Indonesia
Mahfud Mahfud -  Department of Chemical Engineering, Institut Teknologi Sepuluh Nopember, Surabaya 60111, Indonesia
Received: 20 Oct 2016; Published: 11 Jun 2018.
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Section: Original Research Articles
Language: EN
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In 2018: BCREC Volume 13 Issue 2 Year 2018 (SCOPUS and Web of Science Indexed, August 2018)
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Abstract

The purpose of this research are to study the temperature influence in hydrocracking process of the nyamplung oil (Calophyllum inophyllum) using a non-sulfided CoMo/γ-Al2O3 catalyst and to develop a simple kinetic model in interpreting the data of hydrocracking products. The experiment was carried out in a pressurized batch reactor operated pressure up 30 bar. The CoMo catalyst supported with γ-Al2O3 was prepared through impregnation method without sulfidation process. The operating temperature varied from 200 to 350 oC. The results show that the non-sulfided CoMo/γ-Al2O3 catalysts, nyamplung oil triglycerides can converted into gasoil and gasoline-like hydrocarbons. The triglyceride hydrocracking reaction of nyamplung oil followed a several stages, i.e., hydrogenation, dehydrogenation, and cracking. Based on the compounds contained in liquid product, hydrocracking reaction was dominated by decarboxylation. The products obtained in hydrocracking process of nyamplung oil are classified to gasoil (C11-C18) and gasoline (C5-C10).  The triglycerides hydrocracking reaction of nyamplung oil was assumed by following a series reaction mechanism and a simple kinetic model used for determined the kinetics constants. The highest reaction conversion is 99.10% obtained at temperature of 350 °C for 160 minutes reaction time. Copyright © 2018 BCREC Group. All rights reserved

Received: 20th October 2017; Revised: 8th September 2017; Accepted: 17th September 2017; Available online: 11st June 2018; Published regularly: 1st August 2018

How to Cite: Rasyid, R., Malik, R., Kusuma, H.S., Roesyadi, A., Mahfud, M. (2018). Triglycerides Hydrocracking Reaction of Nyamplung Oil with Non-sulfided CoMo/γ-Al2O3 Catalysts. Bulletin of Chemical Reaction Engineering & Catalysis, 13 (2): 196-203 (doi:10.9767/bcrec.13.2.734.196-203)

Keywords
Triglyceride; hydrocracking; gasoil; gasoline

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