Deactivation of HDS catalyst in two-stage RDS process - II. Effect of crude oil and deactivation mechanism

被引：21

作者：

Seki, H ^{[1
]}

Yoshimoto, M ^{[1
]}

机构：

[1] Petr Energy Ctr, Adv Catalysts Res Lab, KSP R&D 1237, Takatsu Ku, Kanagawa 2130012, Japan

来源：

FUEL PROCESSING TECHNOLOGY | 2001年 / 69卷 / 03期

关键词：

catalyst deactivation; residue desulfurization; asphaltene aromaticity; fouling rate;

D O I：

10.1016/S0378-3820(00)00143-0

中图分类号：

O69 [应用化学];

学科分类号：

081704 ;

摘要：

Aging tests of HDS catalyst in two-stage RDS process (HDM/HDS) were performed with Arabian light atmospheric residue as feedstock and the deactivation mechanism was discussed by comparison with previous results using Kuwait residue. It was found that the HDS catalyst in the second stage was deactivated by coke deposition rather than by metals and that asphaltene aromaticity in the feed was a good index for the HDS catalyst deactivation. Furthermore, it was confirmed that fouling rate was strongly affected by the combination of asphaltene aromaticity in HDS feed and reaction temperature in HDS itself. (C) 2001 Elsevier Science B.V. All rights reserved.

引用

页码：229 / 238

页数：10

共 33 条

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