Deep hydrodesulfurization of diesel fuel: Design of reaction process and catalysts

被引:92
作者
Mochida, I
Sakanishi, K
Ma, XL
Nagao, S
Isoda, T
机构
[1] Institute of Advanced Material Study, Kyushu University, Kasuga
关键词
dehydrosulfurization; diesel fuel;
D O I
10.1016/0920-5861(95)00262-6
中图分类号
O69 [应用化学];
学科分类号
081704 ;
摘要
Deep hydrodesulfurization (HDS) of diesel fuel oil was designed based on the recognition that alkyl dibenzothiophenes such as 4-methyl- and 4,6-dimethyldibenzothiophenes were the main target for deep HDS. Multi-stage and fractional HDS were very effective to achieve satisfactory HDS in terms of both sulfur level and fluorescent color of desulfurized oil. Catalysts with the selective hydrogenation of refractory sulfur species in major aromatic partners and isomerization-disproportionation of their alkyl groups prior to HDS were also designed to promote the desulfurization of such sulfur species.
引用
收藏
页码:185 / 189
页数:5
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