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负载型Cs2O固体碱催化剂的制备及催化酯交换反应性能
引用本文:宋华民,李继红,徐桂转,张百良,尚 升.负载型Cs2O固体碱催化剂的制备及催化酯交换反应性能[J].农业工程学报,2009,25(3):189-192.
作者姓名:宋华民  李继红  徐桂转  张百良  尚 升
作者单位:农业部可再生能源重点实验室,河南农业大学机电工程学院,郑州 450002;生物质发电成套设备国家工程实验室,华北电力大学可再生能源学院,北京 102206;农业部可再生能源重点实验室,河南农业大学机电工程学院,郑州 450004;农业部可再生能源重点实验室,河南农业大学机电工程学院,郑州 450005;农业部可再生能源重点实验室,河南农业大学机电工程学院,郑州 450006
基金项目:河南省杰出人才创新基金项目(0321001300)
摘    要:以Cs2CO3作为催化剂前驱体,利用γ-Al2O3、TiO2、MgO、SiO2、CaO和NaY型分子筛6种不同的载体,在700℃下焙烧,制备Cs2O固体碱催化剂,并用其催化菜籽油酯交换反应制取生物柴油。结果表明,以γ-Al2O3、MgO和CaO均能制备出超强固体碱,根据制备出的固体碱催化酯交换反应的酯交换率和产物分离性能分析,γ-Al2O3是最适合的载体。以Cs2CO3为前驱体,以γ-Al2O3为载体开展的催化剂试验结果表明:固体碱的最佳制备工艺条件为:煅烧温度700℃,煅烧时间5 h,煅烧气氛为N2。在此工艺条件下,制取的催化剂用于催化菜籽油的酯交换率达到了95.5%。

关 键 词:固体碱催化剂,载体,生物柴油,Cs2O,酯交换反应
收稿时间:2008/1/19 0:00:00
修稿时间:2008/12/30 0:00:00

Preparation of supported Cs2O solid base catalysts and performance of catalyzing transesterification reaction
Song Huamin,Li Jihong,Xu Guizhuan,Zhang Bailiang and Shang Hua.Preparation of supported Cs2O solid base catalysts and performance of catalyzing transesterification reaction[J].Transactions of the Chinese Society of Agricultural Engineering,2009,25(3):189-192.
Authors:Song Huamin  Li Jihong  Xu Guizhuan  Zhang Bailiang and Shang Hua
Institution:1. Key Laboratory of Renewable Energy of Ministry of Agriculture, College of Mechanical and Electrical Engineering, Henan Agricultural University, Zhengzhou 450002, China,2. National Engineering Laboratory of Biomass Power Generation Equipment, School of Renewable Energy, North China Electric Power University, Beijing 102206, China,1. Key Laboratory of Renewable Energy of Ministry of Agriculture, College of Mechanical and Electrical Engineering, Henan Agricultural University, Zhengzhou 450002, China,1. Key Laboratory of Renewable Energy of Ministry of Agriculture, College of Mechanical and Electrical Engineering, Henan Agricultural University, Zhengzhou 450002, China and 1. Key Laboratory of Renewable Energy of Ministry of Agriculture, College of Mechanical and Electrical Engineering, Henan Agricultural University, Zhengzhou 450002, China
Abstract:
Keywords:solid base catalysts  supports  biodiesel  Cs2O  transesterification reaction
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