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Chemcial Industry and Engineering 2016, Vol. 33 Issue (1) :21-24    DOI: 10.13353/j.issn.1004.9533.20141032
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Synthesis and Sulfonation of Ordered Mesoporous Carbons for Solid Acid Catalyst
Gao Zhenhua1, Tang Shaokun1,2, Tian Songjiang1, Zhang Minhua3
1. Key Laboratory for Green Chemical Technology of Ministry of Education, School of Chemical Engineering & Technology, Tianjin University, Tianjin 300072, China;
2. Collaborative Innovation Center of Chemical Science and Engineering (Tianjin), Tianjin University, Tianjin 300072, China;
3. R&D Center for Petrochemical Technology, Tianjin University, Tianjin 300072, China

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Abstract 

For oil materials with high acid values, deacidification is necessary before transesterification for biodiesel preparation. However, the conventional method with H2SO4 as a catalyst is always accompanied with equipment corrosion and environmental pollution problems. In this paper ordered mesoporous carbons(OMCs) were synthesized by soft template method. Transmission electron microscope (TEM), small angle X-ray diffraction (SAXRD) and nitrogen adsorption-desorption were applied to investigate the influences of the mass ratio of the template agent to the precursor, thermal polymerization time and calcination temperature on the mesostructures of OMCs materials. Highly-Ordered mesoporous carbons with 2D hexagonal structure were obtained, possessing 3—4 nm pore diameter and more than 600 m2/g BET specific surface areas. OMCs were then sulfonated through benzenesulfonic acid-containing aryl radical in situ generated from the reaction of 4-aminobenzenesulfonic acid and isoamyl nitrite. The sulfonated OMCs can be used in deacidification of crude oil with high acid value for biodiesel production.

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Gao Zhenhua
Tang Shaokun
Tian Songjiang
Zhang Minhua
Keywordsordered mesoporous carbons;   soft template;   synthesis;   sulfonation     
Received 2014-03-14;
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Gao Zhenhua, Tang Shaokun, Tian Songjiang, Zhang Minhua.Synthesis and Sulfonation of Ordered Mesoporous Carbons for Solid Acid Catalyst[J]  Chemcial Industry and Engineering, 2016,V33(1): 21-24
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