以活性埃及粘土为支撑的异质纳米复合催化剂用于利用蓖麻油生产生物燃料

Q1 Earth and Planetary Sciences
N. Negm, M. A. Betiha, Nariman M.H. El-Wakeel, E. A. Mohammed
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引用次数: 0

摘要

研究人员获得了名为硅藻土的埃及粘土,并通过酸活化制备了两种异相催化剂,用于催化蓖麻油转化为生物柴油的反应。制备的催化剂是硅藻土铜和硅藻土铜/铝层双氢氧化物复合材料。利用傅立叶变换红外光谱、射线衍射和 N 2 吸附/解吸测量对催化剂进行了表征,并在不同条件下将其用于蓖麻油转化为生物柴油的反应,以确定其最佳性能,从而获得最大产率。硅藻土-铜复合材料的催化性能尚可,而碱性较强的硅藻土-铜/铝层双氢氧化物复合材料在蓖麻油的阳离子转化过程中表现出优异的催化性能。生成的生物柴油的规格(包括 40 (cid:1) C 时的粘度、15 (cid:1) C 时的密度、倾点、浊点、十六烷值、灰分和硫含量)与标准 ASTM 规格非常一致。对其转换机制进行了讨论。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Heterogeneous nanocomposite catalysts supported on activated Egyptian clay for biofuel production from castor oil
Egyptian clay named diatomite was obtained and acid-activated to prepare two heterogeneous catalysts to catalyze the conversion reaction of castor oil into biodiesel. The prepared catalysts were diatomite e copper and diatomite e copper/ aluminum-layered double hydroxide composites. The catalysts were characterized using FT-IR, radiography diffraction, and N 2 -adsorption/desorption measurements and used in the conversion reaction of castor oil into biodiesel under different conditions to determine their optimum performance for yielding the maximum yield. The diatomite e copper composite showed acceptable catalyzing performance, while the more alkaline diatomite e copper/aluminum-layered double hydroxide composite exhibited excellent catalyzing performance during the transesteri fi cation conversion of castor oil. Speci fi cations of the yielded biodiesels including viscosity at 40 (cid:1) C, density at 15 (cid:1) C, pour point, cloud point, cetane number, fl ash point, and sulfur content were in good agreement with the standard ASTM speci fi cations. The conversion mechanism has been discussed.
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来源期刊
Egyptian Journal of Petroleum
Egyptian Journal of Petroleum Earth and Planetary Sciences-Geochemistry and Petrology
CiteScore
7.70
自引率
0.00%
发文量
29
审稿时长
84 days
期刊介绍: Egyptian Journal of Petroleum is addressed to the fields of crude oil, natural gas, energy and related subjects. Its objective is to serve as a forum for research and development covering the following areas: • Sedimentation and petroleum exploration. • Production. • Analysis and testing. • Chemistry and technology of petroleum and natural gas. • Refining and processing. • Catalysis. • Applications and petrochemicals. It also publishes original research papers and reviews in areas relating to synthetic fuels and lubricants - pollution - corrosion - alternate sources of energy - gasification, liquefaction and geology of coal - tar sands and oil shale - biomass as a source of renewable energy. To meet with these requirements the Egyptian Journal of Petroleum welcomes manuscripts and review papers reporting on the state-of-the-art in the aforementioned topics. The Egyptian Journal of Petroleum is also willing to publish the proceedings of petroleum and energy related conferences in a single volume form.
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