Homogeneous models for hydrodenitrogenation catalysis

被引：70

作者：

Weller, KJ ^{[1
]}

Fox, PA ^{[1
]}

Gray, SD ^{[1
]}

Wigley, DE ^{[1
]}

机构：

[1] UNIV ARIZONA,DEPT CHEM,TUCSON,AZ 85721

来源：

POLYHEDRON | 1997年 / 16卷 / 18期

关键词：

hydrodenitrogenation; hydrotreating; catalysis; petroleum; tantalum;

D O I：

10.1016/S0277-5387(96)00610-9

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

Hydrodenitrogenation (HDN) catalysis is the process of removing nitrogen from petroleum feedstocks in the form of NH3 to provide more processable and environmentally compatible liquid fuels. In practice, HDN is carried out simultaneously with other catalytic hydrotreating reactions such as hydrodesulfurization (HDS), yet HDN is significantly less well-studied than HDS. This contribution provides an overview of the heterogeneous HDN process, then outlines various homogeneous models for hydrodenitrogenation catalysis including binding modes of HDN substrates, catalytic hydrogenation processes and recent C--N bond cleavage reactions of nitrogen heterocycles. Emphasis is placed on aryloxide and alkoxide complexes of the early metals that afford some of the best homogeneous models for hydrodenitrogenation catalysis to date. (C) 1997 Elsevier Science Ltd.

引用

页码：3139 / 3163

页数：25

共 156 条

[11] HOMOGENEOUS CATALYTIC-HYDROGENATION .6. SYNTHETIC AND MECHANISTIC ASPECTS OF THE REGIOSELECTIVE REDUCTIONS OF MODEL COAL NITROGEN, SULFUR, AND OXYGEN HETEROAROMATIC-COMPOUNDS USING THE (ETA-5-PENTAMETHYLCYCLOPENTADIENYL)RHODIUM TRIS(ACETONITRILE) DICATION COMPLEX AS THE CATALYST PRECURSOR [J].