γ- Al2O3-supported Cobalt and Zinc as heterogeneous catalyst for biodiesel production assisted by ultrasonic wave

IF 3.8 2区材料科学 Q2 MATERIALS SCIENCE, MULTIDISCIPLINARY

Vacuum Pub Date : 2025-06-13 DOI:10.1016/j.vacuum.2025.114502

Fildzah Adany , Sugeng Priyanto , Yustia Wulandari Mirzayanti , Maja Pranata Marbun , Muhammad Ilyas Zainul Furqon , Amalia Kurnia Amin , Hasanudin Hasanudin , Abdul Aziz , Reva Edra Nugraha , Sudibyo Sudibyo , Sun Theo Constan Lotebulo Ndruru , Dicky Annas , Indri Yati , Anny Sulaswatty , Muhammad Nur Khoiru Wihadi , Robertus Wahyu N Nugroho , Muhammad Al Muttaqii

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Abstract

The investigation of the transesterification process of castor oil using γ-Al₂O₃ and Co-Zn catalysts supported by γ-Al₂O₃ was carried out with the assistance of ultrasonic waves. The amplitude was measured at 37 % and 66 % for a duration of 10 min during the reaction. According to the study's findings, castor oil can be transesterified using ultrasonic waves to produce biodiesel or FAME with the inclusion of different catalysts. The amplitude of the ultrasonic waves significantly affects the production of biodiesel. The highest FAME product yield (89.84 %) was obtained with a Co-Zn/γ-Al₂O₃ 5 % (1:1) catalyst at an amplitude of 66 %. The most abundant FAME compound identified was 9-Octadecenoic acid, 12-hydroxy-methyl ester, accounting for 73.46 % of the total area.

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超声波辅助下γ- al2o3负载钴锌异相催化剂制备生物柴油

在超声波辅助下，研究了γ-Al2O3和γ-Al2O3负载的Co-Zn催化剂对蓖麻油的酯交换反应过程。在反应过程中，在37%和66%的持续时间为10分钟时测量振幅。根据这项研究的发现，蓖麻油可以用超声波进行酯交换，在不同催化剂的作用下生产生物柴油或FAME。超声波的振幅对生物柴油的生产有显著的影响。当Co-Zn/γ-Al2O3比例为5%(1:1)，反应幅度为66%时，FAME的收率最高（89.84%）。鉴定出的最丰富的FAME化合物为9-十八烯酸- 12-羟基甲酯，占总面积的73.46%。

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来源期刊

Vacuum 工程技术-材料科学：综合

CiteScore

6.80

自引率

17.50%

发文量

审稿时长

34 days

期刊介绍： Vacuum is an international rapid publications journal with a focus on short communication. All papers are peer-reviewed, with the review process for short communication geared towards very fast turnaround times. The journal also published full research papers, thematic issues and selected papers from leading conferences. A report in Vacuum should represent a major advance in an area that involves a controlled environment at pressures of one atmosphere or below. The scope of the journal includes: 1. Vacuum; original developments in vacuum pumping and instrumentation, vacuum measurement, vacuum gas dynamics, gas-surface interactions, surface treatment for UHV applications and low outgassing, vacuum melting, sintering, and vacuum metrology. Technology and solutions for large-scale facilities (e.g., particle accelerators and fusion devices). New instrumentation ( e.g., detectors and electron microscopes). 2. Plasma science; advances in PVD, CVD, plasma-assisted CVD, ion sources, deposition processes and analysis. 3. Surface science; surface engineering, surface chemistry, surface analysis, crystal growth, ion-surface interactions and etching, nanometer-scale processing, surface modification. 4. Materials science; novel functional or structural materials. Metals, ceramics, and polymers. Experiments, simulations, and modelling for understanding structure-property relationships. Thin films and coatings. Nanostructures and ion implantation.