微波辅助酸樱桃核油酯交换以生产生物柴油:与超声波浴、超声波探针和欧姆辅助酯交换方法的比较

IF 16.4 1区 化学 Q1 CHEMISTRY, MULTIDISCIPLINARY
M. Golmakani, M. Niakousari, A. Peykar, T. Safaeipour
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引用次数: 0

摘要

本研究通过微波辅助酯交换反应将酸樱桃核油转化为生物柴油。对几个变量进行了评估,即反应时间(1、2、3、4 和 5 分钟)、微波功率(100、200、300、400 和 500 瓦)、甲醇/油摩尔比(3、6、9、12 和 15)和催化剂(KOH)浓度(0.3%、0.6%、0.9%、1.2% 和 1.5%)。反应时间越长、微波功率越大、甲醇/油摩尔比越高、催化剂浓度越高,脂肪酸甲酯的效率就越高,直至达到最佳水平。微波辅助酯交换反应的最佳反应条件为微波功率 300 瓦、催化剂浓度 1.2%、甲醇/油摩尔比 1:2、反应时间 4 分钟。微波辅助酯交换反应比欧姆法、磁力搅拌法、超声波探针法和超声波浴辅助酯交换反应更有效。总之,与其他酯交换方法相比,微波辅助酯交换法是一种快速、高效、经济的方法。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Microwave-assisted transesterification of sour cherry kernel oil for biodiesel production: comparison with ultrasonic bath-, ultrasonic probe-, and ohmic-assisted transesterification methods
In this study, sour cherry kernel oil was converted to biodiesel by microwave-assisted transesterification. Evaluations were made of several variables, namely, reaction time (1, 2, 3, 4, and 5 min), microwave power (100, 200, 300, 400, and 500 W), methanol/oil mole ratio (3, 6, 9, 12, and 15), and catalyst (KOH) concentration (0.3%, 0.6%, 0.9%, 1.2%, and 1.5%). The efficiency of fatty acid methyl esters increased in response to lengthier reaction times, greater microwave power, higher methanol/oil mole ratio, and higher catalyst concentrations up to the optimal level. The optimal reaction conditions for microwave-assisted transesterification were 300 W microwave power, 1.2% catalyst concentration, a methanol/oil mole ratio of 1:2, and a reaction time of 4 min. Microwave-assisted transesterification was more effective than ohmic-, magnetic stirrer-, ultrasonic probe-, and ultrasonic bath-assisted transesterification methods. In conclusion, microwave-assisted transesterification can be suggested as a fast, efficient, and economical method compared to other transesterification methods.
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来源期刊
Accounts of Chemical Research
Accounts of Chemical Research 化学-化学综合
CiteScore
31.40
自引率
1.10%
发文量
312
审稿时长
2 months
期刊介绍: Accounts of Chemical Research presents short, concise and critical articles offering easy-to-read overviews of basic research and applications in all areas of chemistry and biochemistry. These short reviews focus on research from the author’s own laboratory and are designed to teach the reader about a research project. In addition, Accounts of Chemical Research publishes commentaries that give an informed opinion on a current research problem. Special Issues online are devoted to a single topic of unusual activity and significance. Accounts of Chemical Research replaces the traditional article abstract with an article "Conspectus." These entries synopsize the research affording the reader a closer look at the content and significance of an article. Through this provision of a more detailed description of the article contents, the Conspectus enhances the article's discoverability by search engines and the exposure for the research.
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