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首页> 外文期刊>Kinetics and catalysis >Promoter Nature Effect on the Sensitivity of Ni-Mo/Al2O3, Co-Mo/Al2O3, and Ni-Co-Mo/Al2O3 Catalysts to Dodecanoic Acid in the Co-Hydrotreating of Dibenzothiophene and Naphthalene
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Promoter Nature Effect on the Sensitivity of Ni-Mo/Al2O3, Co-Mo/Al2O3, and Ni-Co-Mo/Al2O3 Catalysts to Dodecanoic Acid in the Co-Hydrotreating of Dibenzothiophene and Naphthalene

机译：促进剂性质对Ni-Mo / Al2O3，Co-Mo / Al2O3和Ni-Co-Mo / Al 2 O 3催化剂在二苯并噻吩和萘的共加氢处理中对十二烷酸的敏感性

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摘要

The promoter nature effect on the sensitivity of Mo/Al2O3, Ni-Mo/Al2O3, Co-Mo/Al2O3, and Ni-Co-Mo/Al2O3 catalysts to dodecanoic acid in the hydrotreating of a mixture containing dibenzothiophene and naphthalene has been investigated. The experiments have been carried out using a flow-through setup. The catalysts have been prepared using the PMo12 heteropoly acid, Co(Ni) citrates, and Co2Mo10 heteropoly acid and have been characterized by high-resolution transmission electron microscopy. The highest hydrodesulfurization activity in the presence of dodecanoic acid is shown by the trimetallic catalyst Ni-Co-Mo/Al2O3. The introduction of Ni is favorable for dodecanoic acid conversion via the hydrogenation route, thus increasing the C-11 : C-12 ratio in the conversion products. Effective dodecanoic acid adsorption constants under the hydrotreating conditions have been calculated using the Langmuir-Hinshelwood model.
机译：研究了对含有二苯并噻吩和萘的混合物的加氢处理中，对Mo / Al 2 O 3，Ni-Mo / Al 2 O 3，Co-Mo / Al 2 O 3，Co-Mo / Al 2 O 3和Ni-Co-Mo / Al 2 O 3催化剂对十二烷酸的启动子性质作用。 使用流通式设置进行了实验。 催化剂已经使用PMO12杂多酸，CO（Ni）柠檬酸酯和CO 2 MO10杂多酸制备，并通过高分辨率透射电子显微镜表征。 在十二烷酸存在下的最高加氢脱硫活性由三烷基催化剂Ni-Co-Mo / Al 2 O 3显示。 Ni的引入是有利于十二烷酸酯转化通过氢化途径转化，从而增加转化产物中的C-11：C-12比。 利用Langmuir-Hinshelwood模型计算了加氢处理条件下的有效十二烷酸吸附常数。

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