Development of ultra-deep HDS catalyst for production of clean diesel fuels

被引:98
作者
Fujikawa, T [1 ]
Kimura, H [1 ]
Kiriyama, K [1 ]
Hagiwara, K [1 ]
机构
[1] Cosmo Oil Co Ltd, Ctr Res & Dev, Satte, Saitama 3400193, Japan
关键词
hydrodesulfurization; ultra-deep HDS; ultra-low sulfur; cobalt molybdenum catalyst; Co-Mo-S phase; ULSD;
D O I
10.1016/j.cattod.2005.10.024
中图分类号
O69 [应用化学];
学科分类号
081704 ;
摘要
Cosmo Oil has successfully developed a new CoMo HDS catalyst, C-606A, for production of ultra-low sulfur diesel fuels. This catalyst was prepared by an impregnation method using a solution containing Co, Mo, P, and citric acid on a HY-Al2O3. The resulting catalyst air-dried only without calcination. The HDS activity was measured with straight-run light gas oil feedstocks under industrial hydrotreating conditions. C-606A had a three times higher HDS activity compared with the conventional CoMoP/Al2O3 catalyst. Commercial operation with C-606A has successfully demonstrated high performance. This catalyst has superior activity, which enables < 10-ppm sulfur content in products in a commercial hydrotreater designed to produce 500-ppm sulfur diesel fuels. (c) 2005 Elsevier B.V. All fights reserved.
引用
收藏
页码:188 / 193
页数:6
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