Hydrodeoxygenation of biodiesel-related fatty acid methyl esters to diesel-range alkanes over zeolite-supported ruthenium catalysts
Chen, Jinzhu1; Xu, Qiyong1,2
刊名CATALYSIS SCIENCE & TECHNOLOGY
2016
卷号6期号:19页码:7239-7251
DOI10.1039/c6cy01242f
文献子类Article
英文摘要The reaction medium shows a significant effect on the distribution of alkane products for the hydro-deoxygenation of fatty acid methyl esters (FAMEs) over a bifunctional catalyst. Biodiesel-related methyl stearate was hydrodeoxygenated to heptadecane and octadecane over Ru/HZSM-5. In aqueous medium, heptadecane is a predominant product owing to a suppression effect of water on the octadecanol dehydration process. In the case of cyclohexane medium, the C-17/(C-17 + C-18) ratio significantly decreases with the temperature due to a promotion effect of reaction temperature on the octadecanol hydro-deoxygenation process. Our research results further reveal that solvent water can remarkably promote the methyl stearate-to-stearic acid transformation in the network of hydrodeoxygenation of methyl stearate via hydrolysis and hydrogenolysis steps. The hydrodeoxygenation temperature required for methyl stearate is approximately 40 degrees lower in water than in cyclohexane. The reaction pathway involves methyl stearate hydrogenolysis over Ru/HZSM-5 (in water or organic phase) and methyl stearate hydrolysis over HZSM-5 (in water) to generate stearic acid. Octadecanal is a key "intermediate" for subsequent stearic acid-to-octadecanol transformation and is responsible for heptadecane production via the decarbonylation pathway over Ru/HZSM-5, while hydrodeoxygenation of octadecanol leads to the formation of octadecane.
WOS关键词NIMO/GAMMA-AL2O3 CATALYST ; SULFIDED NIMO/GAMMA-AL2O3 ; VEGETABLE-OILS ; STEARIC-ACID ; PD CATALYSTS ; UNSATURATED-HYDROCARBONS ; LIGNOCELLULOSIC BIOMASS ; GUAIACYL GROUPS ; DEOXYGENATION ; COMO/GAMMA-AL2O3
语种英语
WOS记录号WOS:000384876400025
资助机构National Natural Science Foundation of China(21472189) ; National Basic Research Program of China (973 Program)(2012CB215304) ; Natural Science Foundation of Guangdong Province, China(2015A030312007) ; Science and Technology Planning Project of Guangdong Province, China(2015A010106010)
内容类型期刊论文
源URL[http://ir.giec.ac.cn/handle/344007/13958]  
专题中国科学院广州能源研究所
作者单位1.Chinese Acad Sci, Guangzhou Inst Energy Convers, Key Lab Renewable Energy, Guangzhou 510640, Guangdong, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
推荐引用方式
GB/T 7714
Chen, Jinzhu,Xu, Qiyong. Hydrodeoxygenation of biodiesel-related fatty acid methyl esters to diesel-range alkanes over zeolite-supported ruthenium catalysts[J]. CATALYSIS SCIENCE & TECHNOLOGY,2016,6(19):7239-7251.
APA Chen, Jinzhu,&Xu, Qiyong.(2016).Hydrodeoxygenation of biodiesel-related fatty acid methyl esters to diesel-range alkanes over zeolite-supported ruthenium catalysts.CATALYSIS SCIENCE & TECHNOLOGY,6(19),7239-7251.
MLA Chen, Jinzhu,et al."Hydrodeoxygenation of biodiesel-related fatty acid methyl esters to diesel-range alkanes over zeolite-supported ruthenium catalysts".CATALYSIS SCIENCE & TECHNOLOGY 6.19(2016):7239-7251.
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