• It employs a process called transesterification, which reacts the grounds with an alcohol in the presence of a catalyst.

    它需要进行一个被称作“酯交换”的过程,就是在催化剂的作用下,将咖啡渣与乙醇进行反应。

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  • Biodiesel is a kind of clean and renewable energy, which can be produced by transesterification reaction of vegetable oils or animal fat.

    生物柴油作为一种清洁的可再生能源,可以由动植物油脂通过酯交换反应来制备。

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  • Esterification and transesterification are the most common methods of producing biodiesel. It is important to select an appropriate catalyst based on the properties of raw oil.

    酯化及转酯化法是目前研究最多、最具优势的生物柴油制备方法,根据原料特性选择合适的催化剂是该法成功的重要保证。

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  • The calcium-based solid base catalysts were promising solid base catalysts for biodiesel production due to their high activities for transesterification and lower cost resources.

    钙基固体碱具有较高的醋交换制备生物柴油催化活性,且原料来源广、价格相对较低,是一类具有前景的用于生物柴油清洁生产的固体碱催化剂。

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  • The transesterification obeys a second order reaction kinetics.

    该酯交换反应遵循二级反应动力学。

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  • The solid acid catalyst attracted much attention as the transesterification catalyst in recent research.

    固体酸性催化剂作为酯交换的催化剂是当前的研究热点。

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  • The oil transesterification catalysts include usually used acid-base catalyst, solid base, lipase, iodine, metal complex, et al.

    油脂酯交换催化剂有:常用酸碱催化剂、酶、固体碱、碘、金属配合物等。

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  • Reinforcing the research on the route of transesterification and realizing industrialization as soon as possible were put forward.

    认为国内应先加强酯交换法合成碳酸二苯酯的研究,尽快实现工业化。

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  • The biodiesel production through transesterification reaction from tallow with methanol was studied, and KOH was used as catalyst.

    该文以牛油为原料,在KOH的催化作用下与甲醇酯交换反应制备生物柴油。

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  • Butyl methacrylate (BMA) was synthesized from n? Butanol and methyl methacrylate at homogeneous reaction by transesterification process.

    采用酯交换工艺,在均相条件下,由甲基丙烯酸甲酯和正丁醇合成了甲基丙烯酸丁酯(BMA)。

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  • The process for the esterification and transesterification of waste restaurant grease catalyzed by solid KHSO4 was studied in this paper.

    对固体酸性催化剂KHSO4催化地沟油的酯化及转酯化反应进行了研究。

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  • Optimized the immobilized lipase catalyze transesterification reaction of rapeseed oil with methanol which was in emulsified reaction system.

    在乳化反应体系中,对固定化脂肪酶催化菜籽油与甲醇的酯交换反应条件进行了优化。

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  • The transesterification, caused by the addition of catalyst, affects the structure of blends and the mechanical properties of blends decrease.

    加入催化剂所引起的酯交换反应改变了共混物的结构,使共混物的力学性能有所下降。

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  • The paper describes the transesterification reaction of oil and fat with alcohol to make fatty acid ester in presence of a solid base catalyst.

    本文采用固体碱催化油脂和醇进行酯交换反应制备脂肪酸酯,着重于固体碱催化剂的研制及工艺优化。

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  • Reaction thermodynamics of diphenyl carbonate (DPC) synthesis by the transesterification reaction from dimethyl carbonate and phenol is introduced.

    介绍了碳酸二甲酯与苯酚酯交换合成碳酸二苯酯的反应热力学。

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  • Biodiesel fuel (BDF) has been made by transesterification of extracted oil of soybean oil sediment with methanol in the presence of KOH as catalyst.

    大豆油脚浸出油与甲醇在催化剂koh作用下通过酯交换反应制得生物柴油(BDF)。

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  • In the process of preparation of biodiesel, the immiscibility of oil and alcohol leads to low transesterification rate and low production efficiency.

    在生物柴油生产过程中,由于原料油与醇不互溶,导致生物柴油生产过程中酯交换速率低,影响了生产效率。

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  • The transesterification of waste oils and methanol to biodiesel catalyzed by immobilized Candida lipase in three stages fixed bed reactors was studied.

    研究了地沟油和甲醇在三段式反应器中固定化脂肪酶上合成生物柴油。

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  • Using Novozym 435 as catalyst, transesterification of ethyl ferulate(EF)with triolein(TO)to form ferulyl oleins in solvent-free medium was investigated.

    对无溶剂体系中脂肪酶催化合成新型油脂抗氧化剂阿魏酸双油酸甘油酯进行了研究。

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  • It was found that acyl migration occurred during lipase-catalyzed transesterification, which caused the production of byproduct and affected the quality.

    酶法制备结构酯的过程中,由于酰基位移的发生而生成了副产品,并影响了产品质量。

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  • It is obvious that the reaction of synthesizing DMC by transesterification of PC and methanol can be promoted preferably by the reactive extraction technique.

    可见,反应-萃取技术对PC与甲醇酯交换合成DMC反应具有较好的促进作用。

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  • The present invention may have application in any process involving hydrolysis, esterification, transesterification, interesterification or acylation reactions.

    本发明可以应用于包括水解、酯化、酯基转移、酯交换或酰化反应的任意方法中。

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  • Current situation of biodiesel synthesis catalyzed by lipase transesterification was introduced from the aspects of enzyme immobilization and non-aqueous media.

    从固定化和非水介质两方面介绍了脂肪酶催化合成生物柴油的现状。

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  • The analysis of transesterification kinetics shows that the transesterification obeys a second-order reaction kinetics model when the transform ratio is under 95%.

    动力学分析表明:酯交换反应在转化率为95%之前,符合二级反应动力学模型。

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  • The applications of transesterification process in preparing several methacrylates were introduced, especially the research progress of used catalysts was reviewed.

    介绍了酯交换法在制备几种重要的甲基丙烯酸类酯中的应用,重点对酯交换法所用催化剂的研究进行了综述。

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  • The variety and characteristics of solid base catalyst were summarized. And the application of solid base catalyst in the transesterification of lipid was discussed.

    综述了固体碱催化剂的种类及其特点,讨论了固体碱催化剂在油脂酯交换反应中的应用。

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  • Biodiesel and material is separated effectively through water vapour distillation, and the high pure degree biodiesel is acquired without double transesterification.

    水蒸汽蒸馏技术实现生物柴油与未反应原料的有效分离,不需要二次酯交换反应就获得了高纯度的生物柴油。

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  • Effect of transesterification on high-pressure crystallization behaviour of PET/PC blend system was investigated by torque rheometer, DSC, SEM and WAXD measurements.

    利用转矩流变仪、DSC、SEM及WAXD等表征手段研究了PET/PC共混体系的酯交换反应对其高压结晶行为的影响。

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  • Effect of transesterification on high-pressure crystallization behaviour of PET/PC blend system was investigated by torque rheometer, DSC, SEM and WAXD measurements.

    利用转矩流变仪、DSC、SEM及WAXD等表征手段研究了PET/PC共混体系的酯交换反应对其高压结晶行为的影响。

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