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Coupling membrane pervaporation with a fixed-bed reactor for enhanced esterification of oleic acid with ethanol
Ying Han a, Enmin Lv a, Lingling Maa, Jie Lu b, Kexun Chen a,⇑, Jincheng Ding a,⇑


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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
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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
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ͨ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
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»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
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PERGAMON-ELSEVIER SCIENCE LTD, THE BOULEVARD, LANGFORD LANE, KIDLINGTON, OXFORD OX5 1GB, ENGLAND
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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
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Impact Factor (Ó°ÏìÒò×Ó): Journal Citation Reports®
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IDS ºÅ: CX9YU
Web of Science ºËÐĺϼ¯ÖÐµÄ "ÒýÓõIJο¼ÎÄÏ×": 34
Web of Science ºËÐĺϼ¯ÖÐµÄ "±»ÒýƵ´Î": 0
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