Efficient production of biodiesel with promising fuel properties from Koelreuteria integrifoliola oil using a magnetically recyclable acidic ionic liquid

被引：84

作者：

Zhang, Heng ^{[1
]}

Li, Hu ^{[1
]}

Pan, Hu ^{[1
]}

Liu, Xiaofang ^{[1
]}

Yang, Kaili ^{[1
]}

Huang, Shan ^{[1
]}

Yang, Song ^{[1
,2
]}

机构：

[1] Guizhou Univ, State Key Lab Breeding Base Green Pesticide & Agr, Key Lab Green Pesticide & Agr Bioengn,Minist Educ, State Local Joint Lab Comprehens Utilizat Biomass, Guiyang 550025, Guizhou, Peoples R China

[2] East China Univ Sci & Technol, Sch Pharm, Shanghai 200237, Peoples R China

来源：

ENERGY CONVERSION AND MANAGEMENT | 2017年 / 138卷

基金：

对外科技合作项目（国际科技项目）; 中国国家自然科学基金;

关键词：

Biodiesel; Koelreuteria integrifoliola; Magnetic solid acidic catalyst; Simultaneous (trans)esterification; Fuel properties; WASTE COOKING OIL; HETEROGENEOUS CATALYST; NONEDIBLE FEEDSTOCK; SOYBEAN OIL; SEED OIL; TRANSESTERIFICATION; OPTIMIZATION; NANOPARTICLE; ESTERIFICATION; PURIFICATION;

D O I：

10.1016/j.enconman.2017.01.060

中图分类号：

O414.1 [热力学];

学科分类号：

摘要：

In the present study, catalytic production of biodiesel from a new alternative non-edible feedstock Koelreuteria integrifoliola (K. integrifoliola) with a Bronsted-Lewis acidic ionic liquid (IL) immobilized on a magnetic support Fe3O4@SiO2 (FS-B-L-IL) was investigated for the first time. Excitingly, K. integrifoliola contains a high oil content (54.05%) with an average acid value (AV) of 4.66 mg KOH/g. Furthermore, the FS-B-L-IL catalyst was characterized with XRD, FT-IR, SEM, HR-TEM, TG, pyridine-IR and VSM. It was found that FS-B-L-IL possessed a uniform core-shell structure with strong magnetic responsiveness, and showed high activity in simultaneously catalytic transesterification and esterification of crude K. integrifoliola seed oil (CKISO), giving fatty acid methyl ester (FAME) yield of 93.7% under optimal conditions. The reaction followed pseudo-first order kinetics and the activation energy was calculated to be 62.6 kJ/mol. In addition, FS-B-L-IL exhibited a heterogeneous catalytic behavior and could be recycled for at least five times with negligible loss of activity. The main fuel properties of the obtained K. integrifoliola biodiesel were also evaluated, which were comparable to specifications prescribed in the ASTM D6751 and EN 14214. (C) 2017 Elsevier Ltd. All rights reserved.

引用

页码：45 / 53

页数：9

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