Synthesis of biodiesel in supercritical fluids

Giridhar Madras; Chandana Kolluru; Rajnish Kumar

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Synthesis of biodiesel in supercritical fluids

机译：超临界流体中生物柴油的合成

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Biodiesel, an alternative biodegradable diesel fuel, is derived from triglycerides by transesterification with alcohols. In this work, the transesterification of sunflower oil was investigated in supercritical methanol and supercritical ethanol at various temperatures (200-400℃) at 200 bar. The rate coefficients and the activation energies of the reaction were also determined. Biodiesel was also enzymatically synthesized in supercritical carbon dioxide. The effect of enzyme loading, oil to alcohol ratio, reaction time and temperature was investigated. While nearly complete conversions were obtained for the thermal reactions in supercritical methanol and ethanol, only 30% conversions were obtained in the enzyme-catalyzed reactions in supercritical carbon dioxide.

机译：生物柴油是一种可生物降解的柴油替代燃料，是由甘油三酸酯通过与醇进行酯交换反应而得到的。在这项工作中，研究了葵花籽油在超临界甲醇和超临界乙醇中于200 bar的不同温度（200-400℃）下的酯交换反应。还确定了反应的速率系数和活化能。生物柴油也在超临界二氧化碳中酶促合成。研究了酶负载，油醇比，反应时间和温度的影响。尽管在超临界甲醇和乙醇中进行的热反应获得了近乎完全的转化，但在超临界二氧化碳中的酶催化反应中仅获得了30％的转化。

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来源
《Fuel》 |2004年第15期|p.2029-2033|共5页
作者
Giridhar Madras; Chandana Kolluru; Rajnish Kumar;
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作者单位

Department of Chemical Engineering, Indian Institute of Science, Bangalore 560012, India;

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收录信息美国《科学引文索引》(SCI);美国《工程索引》(EI);
原文格式 PDF
正文语种 eng
中图分类燃料化学工业（总论）;热力工程、热机;
关键词
biodiesel; transesterification; novozym-435 (candida antarctica); supercritical methanol; supercritical ethanol; supercritical carbon dioxide;

机译：生物柴油;酯交换反应;novozym-435（南极假丝酵母）;超临界甲醇;超临界乙醇;超临界二氧化碳;

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专利

1. Biodiesel synthesis from Calophyllum inophyllum oil with different supercritical fluids [J] . Lamba Neha, Gupta Kaveri, Modak Jayant M., Bioresource Technology: Biomass, Bioenergy, Biowastes, Conversion Technologies, Biotransformations, Production Technologies . 2017,第期

机译：生物柴油与不同超临界流体的Calophyllum inophyllum油合成
2. Synthesis of biodiesel from edible and non-edible oils in supercritical alcohols and enzymatic synthesis in supercritical carbon dioxide [J] . Vivek Rathore, Giridhar Madras Fuel . 2007,第17a18期

机译：在超临界醇中由食用和非食用油合成生物柴油，并在超临界二氧化碳中酶促合成
3. Synthesis of supported nanoparticles in supercritical fluids by supercritical fluid reactive deposition: Current state, further perspectives and needs [J] . Tuerk Michael, Erkey Can The Journal of Supercritical Fluids . 2018,第期

机译：超临界流体反应沉积的超临界流体中负载纳米颗粒的合成：当前状态，进一步的观点和需求
4. Biodiesel Purification using an Ion Exchange/Adsorbent Resin with Regeneration through Supercritical Fluids [C] . A. E. Costa, A. Santana, M. B. Quadri, European Meeting on Supercritical Fluids . 2012

机译：使用具有超临界流体的离子交换/吸附树脂使用离子交换/吸附树脂的生物柴油纯化
5. Biodiesel synthesis via transesterification reaction in supercritical methanol: a) A kinetic study, b) Biodiesel synthesis using microalgae oil. [D] . Liu, Jiuxu. 2013

机译：在超临界甲醇中通过酯交换反应合成生物柴油：a）动力学研究，b）使用微藻油合成生物柴油。
6. Supercritical Synthesis of Biodiesel [O] . Juana M. Bernal, Pedro Lozano, Eduardo García-Verdugo, 2012

机译：生物柴油的超临界合成
7. Supercritical Fluid Synthesis and On-Line Preparative Supercritical Fluid Chromatography of 11C-Labelled Compounds in Supercritical Ammonia. [O] . Gunilla B. Jacobson, Karin E. Markides, Bengt Långström, 1997

机译：超临界氨的11C标记化合物的超临界流体合成和在线制备超临界流体色谱法。
8. Fischer-Tropsch synthesis in supercritical fluids. Final report [R] . Akgerman, A., Bukur, D. B. 1998

机译：Fischer-Tropsch在超临界流体中的合成。总结报告

Synthesis of biodiesel in supercritical fluids

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