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Sustainable biodiesel production via transesterification by using recyclable Ca2MgSi2O7 catalyst
Wang, Jiayan1,2,3,4; Yang, Lingmei1,3,4; Luo, Wen1,3,4; Yang, Gaixiu1,3,4; Miao, Changlin1,3,4; Fu, Junying1,3,4; Xing, Shiyou1,3,4,6; Fan, Pei1,3,4,6; Lv, Pengmei1,3,4,5; Wang, Zhongming1,3,4
2017-05-15
Source PublicationFUEL
Volume196Pages:306-313
AbstractCa2MgSi2O7 has been investigated in the transesterification of rapeseed oil with a view to determining its viability as a solid base catalyst for use in biodiesel synthesis. This catalyst exhibited both high catalytic activity and reusability, giving a fatty acid methyl ester (FAME) conversion of 99% when the reaction was conducted with 20 wt% catalyst and a methanol/oil molar ratio of 10:1 at 190 degrees C over 6 h. The FAME conversion remained >85% after 16 cycles without catalyst compensation. BET test illustrates that Ca2MgSi2O7 has a narrow pore size distribution centred at 5.0 nm. Transesterification takes place on the catalyst surface, the basic characteristics or basicity of the catalyst decide greatly catalytic activity. CO2-TPD analysis showed that the total number of basic sites of akermanite is 0.8822 mmol.g(-1). This includes three different oxygen anions exhibiting different chemical environments on the catalyst surface. The basic strength of oxygen anions increased in the order 02 < 03 < 01, which were identified by XPS. In addition, the excellent reusability of the catalyst was associated with the presence of stable [MgO4] and [CaO8] structures. These results suggest that Ca2MgSi2O7 is a promising catalyst for biodiesel synthesis. (C) 2017 Elsevier Ltd. All rights reserved.
SubtypeArticle
KeywordCa2mgsi2o7 (Akermanite) Solid Basic Catalyst Biodiesel Transesterification
WOS HeadingsScience & Technology ; Technology
DOI10.1016/j.fuel.2017.02.007
WOS Subject ExtendedEnergy & Fuels ; Engineering
WOS KeywordSOLID BASE CATALYST ; HETEROGENEOUS CATALYSTS ; CARBON-DIOXIDE ; SOYBEAN OIL ; AKERMANITE ; WASTE ; TRIGLYCERIDES ; TEMPERATURE ; OXIDE ; ACID
Indexed BySCI
Language英语
Funding OrganizationNational Natural Science Foundation of China(21576260) ; Natural Science Foundation of Guangdong Province(2016A030308004 ; Special Funds of Applied Science and Technology Research of Guangdong Province(2015B020241002) ; 2015A030313720)
WOS SubjectEnergy & Fuels ; Engineering, Chemical
WOS IDWOS:000397360200030
Citation statistics
Document Type期刊论文
Identifierhttp://ir.giec.ac.cn/handle/344007/14106
Collection中国科学院广州能源研究所
Affiliation1.Chinese Acad Sci, Guangzhou Inst Energy Convers, Guangzhou 510640, Peoples R China
2.Univ Sci & Technol China, Nano Sci & Technol Inst, Suzhou 215123, Peoples R China
3.Chinese Acad Sci, Key Lab Renewable Energy, Guangzhou 510640, Peoples R China
4.Guangdong Key Lab New & Renewable Energy Res & De, Guangzhou 510640, Peoples R China
5.Collaborat Innovat Ctr Biomass Energy, Zhengzhou 450002, Henan Province, Peoples R China
6.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
First Author AffilicationGuangZhou Institute of Energy Conversion,Chinese Academy of Sciences
Recommended Citation
GB/T 7714
Wang, Jiayan,Yang, Lingmei,Luo, Wen,et al. Sustainable biodiesel production via transesterification by using recyclable Ca2MgSi2O7 catalyst[J]. FUEL,2017,196:306-313.
APA Wang, Jiayan.,Yang, Lingmei.,Luo, Wen.,Yang, Gaixiu.,Miao, Changlin.,...&Wang, Zhongming.(2017).Sustainable biodiesel production via transesterification by using recyclable Ca2MgSi2O7 catalyst.FUEL,196,306-313.
MLA Wang, Jiayan,et al."Sustainable biodiesel production via transesterification by using recyclable Ca2MgSi2O7 catalyst".FUEL 196(2017):306-313.
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