典型文献
Synthesis of alumina-nitrogen-doped carbon support for CoMo catalysts in hydrodesulfurization process
文献摘要:
More stringent environmental legislation imposes severe requirements to reduce the sulfur content in diesel to ultra-low levels with high efficient catalysts.In this paper,a series of CoMo/NDC@alumina cat-alysts were synthesized by combination of the chemical vapor deposition of nitrogen-doped carbon(NDC) using 1,10-phenanthroline and co-impregnation of Mo and Co active components.The optimal cat-alyst with additive of 25% 1,10-phenanthroline was screened by a series of property characterization and the hydrodesulfrization (HDS) active test.The amount of "CoMoS" active phase of the optimal CoMo/C3 catalyst increased 5.3% as compared with the CoMo/γ-Al2O3.The introduction of NDC improved the sul-fidation degree of Mo by 21.8% as compared to the CoMo/γ-Al2O3 catalyst,which was beneficial to form more active sites.The HDS conversion of the NDC supported catalysts are higher than CoMo/γ-Al2O3 whether for the dibenzothiophene (DBT) or 4,6-dimethyl dibenzothiophene (4,6-DMDBT).Further hydroprocessing evaluation with Dagang diesel revealed that the CoMo/C3 catalyst possessed higher HDS property and the removal rate of DBTs in the diesel increased by 4%-11% as compared to the CoMo/γ-Al2O3 catalyst.
文献关键词:
中图分类号:
作者姓名:
Zhentao Chen;Yaxin Liu;Jian Chen;Yang Zhao;Tao Jiang;Fangyu Zhao;Jiahuan Yu;Haoxuan Yang;Fan Yang;Chunming Xu
作者机构:
State Key Laboratory of Heavy Oil Proceeing,China University of Petroleum,Changping,Beijing 102249,China
文献出处:
引用格式:
[1]Zhentao Chen;Yaxin Liu;Jian Chen;Yang Zhao;Tao Jiang;Fangyu Zhao;Jiahuan Yu;Haoxuan Yang;Fan Yang;Chunming Xu-.Synthesis of alumina-nitrogen-doped carbon support for CoMo catalysts in hydrodesulfurization process)[J].中国化学工程学报(英文版),2022(01):392-402
A类:
hydrodesulfrization,CoMoS,fidation,hydroprocessing,Dagang,DBTs
B类:
Synthesis,alumina,nitrogen,doped,carbon,catalysts,hydrodesulfurization,More,stringent,environmental,legislation,imposes,severe,requirements,reduce,content,diesel,ultra,low,levels,efficient,In,this,paper,series,NDC,were,synthesized,by,combination,chemical,vapor,deposition,using,phenanthroline,impregnation,active,components,optimal,additive,was,screened,property,characterization,HDS,test,amount,phase,C3,increased,compared,Al2O3,introduction,improved,degree,which,beneficial,form,more,sites,conversion,supported,higher,than,whether,dibenzothiophene,dimethyl,DMDBT,Further,evaluation,revealed,that,possessed,removal,rate
AB值:
0.414289
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