Synthesis of Magnetic Base Catalyst from Industrial Waste for Transesterification of Palm Oil

IF 1.3 Q3 ENGINEERING, CHEMICAL
S. Krishnan, F. Pua, H. Lim
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引用次数: 0

Abstract

Industrial waste is produced in large amounts annually; without proper planning, the waste might cause a serious threat to the environment. Hence, an industrial waste-based heterogeneous magnetic catalyst was synthesized using carbide lime waste (CLW) as raw material for biodiesel production via transesterification of palm oil. The catalyst was successfully synthesized by the one-step impregnation method and calcination at 600 °C. The synthesized catalyst, C-CLW/g-Fe2O3, was characterized by temperature-programmed desorption of carbon dioxide (CO2-TPD), scanning electron microscopy (SEM), electron dispersive X-ray spectroscopy (EDX), X-ray Diffraction (XRD), Brunauer-Emmett-Teller (BET), vibrating sample magnetometer (VSM), and Fourier transform infrared spectroscopy (FT-IR). The catalyst has a specific surface area of 18.54 m2/g and high basicity of 3,637.20 µmol/g. The catalytic performance shows that the optimum reaction conditions are 6 wt% catalyst loading, 12:1 methanol to oil molar ratio with the reaction time of 3 h at 60 °C to produce 90.5% biodiesel yield. The catalyst exhibits good catalytic activity and magnetism, indicating that the CLW can be a potential raw material for catalyst preparation and application in the biodiesel industry. Copyright © 2021 by Authors, Published by BCREC Group. This is an open access article under the CC BY-SA License (https://creativecommons.org/licenses/by-sa/4.0). 
利用工业废料合成棕榈油酯交换用磁性碱催化剂
工业废料每年产生大量;如果没有适当的规划,废物可能会对环境造成严重威胁。因此,以棕榈油为原料,通过酯交换反应合成了一种工业废渣为基础的多相磁性催化剂。采用一步浸渍法,在600℃下煅烧,成功地合成了催化剂。采用程序升温解吸二氧化碳(CO2-TPD)、扫描电镜(SEM)、电子色散x射线能谱(EDX)、x射线衍射(XRD)、布鲁诺尔-埃米特-泰勒(BET)、振动样品磁强计(VSM)和傅里叶变换红外光谱(FT-IR)对合成的C-CLW/g-Fe2O3催化剂进行了表征。催化剂的比表面积为18.54 m2/g,碱度为3637.20µmol/g。催化性能表明,最佳反应条件为催化剂负载6 wt%,甲醇与油的摩尔比为12:1,反应时间为3 h,反应温度为60℃,产率为90.5%。该催化剂表现出良好的催化活性和磁性,表明其在生物柴油工业中具有潜在的催化剂制备和应用前景。版权所有©2021作者,BCREC集团出版。这是一篇基于CC BY-SA许可(https://creativecommons.org/licenses/by-sa/4.0)的开放获取文章。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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来源期刊
CiteScore
3.20
自引率
6.70%
发文量
52
审稿时长
12 weeks
期刊介绍: Bulletin of Chemical Reaction Engineering & Catalysis, a reputable international journal, provides a forum for publishing the novel technologies related to the catalyst, catalysis, chemical reactor, kinetics, and chemical reaction engineering. Scientific articles dealing with the following topics in chemical reaction engineering, catalysis science and engineering, catalyst preparation method and characterization, novel innovation of chemical reactor, kinetic studies, etc. are particularly welcome. However, articles concerned on general chemical engineering process are not covered and out of scope of this journal
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