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Hydrodeoxygenation and hydrocracking of oxygenated compounds over CuPd/γ-Al2O3–ZSM-5 catalyst
Reaction Kinetics, Mechanisms and Catalysis ( IF 1.7 ) Pub Date : 2021-07-23 , DOI: 10.1007/s11144-021-02029-1
Mihai Marinescu 1 , Daniela Roxana Popovici 1 , Dorin Bombos 1 , Paul Rosca 1 , Elena-Emilia Oprescu 1 , Ion Bolocan 1 , Gabriel Vasilievici 2 , Elena-Emilia Oprescu 2
Affiliation  

Biomass is one of the most important renewable energy resources to produce sustainable liquid fuel. This study presents the process of hydrodeoxygenation/hydrocracking on a model of oxygenated compounds such as fatty acid methyl esters using a bifunctional catalyst that contains a metallic function based on copper and palladium and an acid function type ZMS-5. Hydrocracking of methyl esters on the bifunctional catalyst CuPd/γ-Al2O3–ZSM-5 realized on a fix bed reactor led to obtaining of n-alkanes, iso-alkanes, saturated and aromatic cyclic hydrocarbons with 9 to 18 carbon atoms. The conversion reach 100% value at temperature higher than 350 °C. The yield in n-alkanes varies with a maximum at temperature of 325 °C, meanwhile, the yield in iso-alkanes remains approx. constant. The cyclization and aromatization reactions are favored at temperatures higher than 350 °C.



中文翻译:

CuPd/γ-Al2O3-ZSM-5催化剂上含氧化合物的加氢脱氧和加氢裂化

生物质是生产可持续液体燃料的最重要的可再生能源之一。本研究介绍了使用双功能催化剂对含氧化合物(例如脂肪酸甲酯)进行加氢脱氧/加氢裂化的过程,该催化剂包含基于铜和钯的金属功能以及酸功能类型 ZMS-5。双功能催化剂CuPd/γ-Al 2 O 3上甲酯的加氢裂化–在固定床反应器上实现的 ZSM-5 导致获得具有 9 至 18 个碳原子的正烷烃、异烷烃、饱和和芳香环烃。在高于 350 °C 的温度下,转化率达到 100%。正构烷烃的产率在 325 °C 时达到最大值,同时,异烷烃的产率保持在 325 °C 左右。持续的。在高于 350 °C 的温度下有利于环化和芳构化反应。

更新日期:2021-07-23
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