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Coupling membrane pervaporation with a fixed-bed reactor for enhanced esterification of oleic acid with ethanol ×÷Õß:Han, Y (Han, Ying)[ 1 ] ; Lv, EM (Lv, Enmin)[ 1 ] ; Ma, LL (Ma, Lingling)[ 1 ] ; Lu, J (Lu, Jie)[ 2 ] ; Chen, KX (Chen, Kexun)[ 1 ] ; Ding, JC (Ding, Jincheng)[ 1 ] ENERGY CONVERSION AND MANAGEMENT ¾í: 106 Ò³: 1379-1386 DOI: 10.1016/j.enconman.2015.10.075 ³ö°æÄê: DEC 2015 ²é¿´ÆÚ¿¯ÐÅÏ¢ ÕªÒª Process intensification through membrane pervaporation (PV) integrated with a fixed-bed reactor could be successfully applied to the esterification of oleic acid and ethanol, which is a crucial step in the bio-diesel synthesis using waste oil and grease as resource. The properties of the NaA zeolite membrane such as structure, formulation and separation were investigated by scanning electronic microscopy-energy dispersive spectrometry (SEM-EDS), X-ray diffractometry (XRD) and PV dehydration. Results showed that the NaA zeolite membrane had good separating property for removing water from the organics mixture. The operating conditions were optimized as the ethanol to oleic acid molar ratio of 15:1, feedstock flow rate of 1.0 ml/min, reaction temperature of 80.0 degrees C and catalyst bed height of 132 mm. The final conversion of oleic acid increased from 84.23% to 87.18% by PV using the NaA zeolite membrane at 24.0 h of operation. The membrane showed good PV performance after used for eight successive runs in the PV-assisted esterification. The resin exhibited a much high catalytic activity and operation stability after used for 100 h in the consecutive single pass fixed-bed esterification. (C) 2015 Elsevier Ltd. All rights reserved. ¹Ø¼ü´Ê ×÷Õ߹ؼü´Ê:Esterification; Pervaporation; Fixed-bed reactor; Enhanced reactor; NaA zeolite membrane KeyWords Plus:CATION-EXCHANGE RESIN; BIODIESEL PRODUCTION; HETEROGENEOUS CATALYST; COMPOSITE MEMBRANES; ZEOLITE MEMBRANE; ACETIC-ACID; OIL; DEHYDRATION; PERFORMANCE; WATER ×÷ÕßÐÅÏ¢ ͨѶ×÷ÕßµØÖ·: Chen, KX (ͨѶ×÷Õß) ÏÔʾÔöÇ¿×éÖ¯ÐÅÏ¢µÄÃû³Æ Shandong Univ Technol, Coll Chem Engn, 12 Zhangzhou Rd, Zibo 255049, Shandong, Peoples R China. µØÖ·: ÏÔʾÔöÇ¿×éÖ¯ÐÅÏ¢µÄÃû³Æ [ 1 ] Shandong Univ Technol, Coll Chem Engn, Zibo 255049, Shandong, Peoples R China ÏÔʾÔöÇ¿×éÖ¯ÐÅÏ¢µÄÃû³Æ [ 2 ] Shandong Univ Technol, Dept Resources & Environm Engn, Zibo 255049, Shandong, Peoples R China µç×ÓÓʼþµØÖ·:kexunchen@ustc.edu; djclj@sdut.edu.cn »ù½ð×ÊÖúÖÂл »ù½ð×ÊÖú»ú¹¹ ÊÚȨºÅ Natural Science Foundation of Shandong Province ZR2013BL010 ZR2015EL044 Shandong University of Technology Zibo Technology Research and Development Program of China 2013GG04110 ²é¿´»ù½ð×ÊÖúÐÅÏ¢ ³ö°æÉÌ PERGAMON-ELSEVIER SCIENCE LTD, THE BOULEVARD, LANGFORD LANE, KIDLINGTON, OXFORD OX5 1GB, ENGLAND Àà±ð / ·ÖÀà Ñо¿·½Ïò:Thermodynamics; Energy & Fuels; Mechanics; Physics Web of Science Àà±ð:Thermodynamics; Energy & Fuels; Mechanics; Physics, Nuclear ÎÄÏ×ÐÅÏ¢ ÎÄÏ×ÀàÐÍ:Article ÓïÖÖ:English Èë²ØºÅ: WOS:000366063500126 ISSN: 0196-8904 eISSN: 1879-2227 ÆÚ¿¯ÐÅÏ¢ Ŀ¼£º Current Contents Connect® Impact Factor (Ó°ÏìÒò×Ó): Journal Citation Reports® ÆäËûÐÅÏ¢ IDS ºÅ: CX9YU Web of Science ºËÐĺϼ¯ÖÐµÄ "ÒýÓõIJο¼ÎÄÏ×": 34 Web of Science ºËÐĺϼ¯ÖÐµÄ "±»ÒýƵ´Î": 0 |

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