| 水滑石负载钾盐催化酯交换反应合成生物柴油 |
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| 引用本文： | 吴雁,王豪,钟婷,肖乐,屈敏敏.水滑石负载钾盐催化酯交换反应合成生物柴油[J].化学研究与应用,2011,23(8):1042-1047. |
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| 作者姓名： | 吴雁 王豪 钟婷 肖乐 屈敏敏 |
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| 作者单位： | 西南石油大学化学化工学院,四川 成都 |
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| 基金项目： | 油气藏地质与开发工程国家重点实验室开放基金(PLN0907)资助; 四川省教育厅基金(08ZB003)资助 |
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| 摘 要： | 以水滑石为载体,负载钾盐作为酯交换合成生物柴油的催化剂,采用XRD、Hammett指示剂-苯甲酸滴定、N2吸附-脱附、TG-DSC研究了活性组分和载体类型、焙烧温度和时间以及负载量对催化剂碱性和酯交换活性的影响.H-介于9.3 ～15的中强碱量是决定催化剂活性的主要因素.钾与水滑石高温焙烧形成的相互作用物种是催化剂中强...
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| 关 键 词： | 水滑石 负载 钾盐 醑交换 碱性 |
Transesterification of rapeseed oil to biodiesel using hydrotalcite-supported potassium salt as catalyst |
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| WU Yah,WANG Hao,ZHONG Ting,XIAO Le,QU Min-min.Transesterification of rapeseed oil to biodiesel using hydrotalcite-supported potassium salt as catalyst[J].Chemical Research and Application,2011,23(8):1042-1047. |
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| Authors: | WU Yah WANG Hao ZHONG Ting XIAO Le QU Min-min |
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| Institution: | WU Yan,WANG Hao,ZHONG Ting,XIAO Le,QU Min-min(School of Chemistry and Chemical Engineering,Southwest Petroleum University,Chengdu,Sichuan,610500,China) |
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| Abstract: | A series of hydrotalcite-supported potassium salt catalysts were prepared to catalyze the transesterification of rapeseed oil for producing biodiesel.The hydrotalcite with Mg/Al molar ratio of 3.06 was synthesized by coprecipitation method.X-ray diffraction(XRD),Hammett indicator-benzoic acid titration,nitrogen adsorption-desorption and thermogravimetric-differential scanning calorimetry(TG-DSC)were used to determine the effect of active species,support,preparation conditions and potassium contents on the c... |
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| Keywords: | hydrotalcite support potassium salt transesterification basicity |
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