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Transesterification of canola oil over Li/Ca-La mixed oxide catalyst:Kinetics and calcination temperature investigations
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作者 hesam maleki Mohammad Kazemeini 《燃料化学学报》 EI CAS CSCD 北大核心 2017年第4期442-448,共7页
In this research,a solid 1%Li/Ca-La mixed oxide catalyst was prepared using co-precipitation method followed by wet impregnation.The prepared catalyst was used in the transesterification reaction of canola oil and met... In this research,a solid 1%Li/Ca-La mixed oxide catalyst was prepared using co-precipitation method followed by wet impregnation.The prepared catalyst was used in the transesterification reaction of canola oil and methanol for biodiesel synthesis.The effects of calcination and reaction temperatures were investigated on the activity of the catalyst.In addition,rate of the reaction was studied through a kinetic model for which parameters were determined.Surface properties and structure of the catalyst were characterized through the powder X-ray diffraction(XRD),thermogravimetry/derivative thermogravimetry(TG/DTG),and Fourier transform infrared spectroscopy analysis.All these emphasized that the performance of the catalyst corresponded to the generation of the active sites and their thermal activation. 展开更多
关键词 油共炼 基团相对含量 固体残渣 干基无灰转化率
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