Different role of H2S and dibenzothiophene in the incorporation of sulfur in the surface of bulk MoP during hydrodesulfurization

被引：43

作者：

Bai, Jin ^{[1
]}

Li, Xiang ^{[1
,2
]}

Wang, Anjie ^{[1
,2
]}

Prins, Roel ^{[3
]}

Wang, Yao ^{[2
]}

机构：

[1] Dalian Univ Technol, Sch Chem Engn, State Key Lab Fine Chem, Dalian 116024, Peoples R China

[2] Dalian Univ Technol, Liaoning Key Lab Petrochem Technol & Equipments, Dalian 116024, Peoples R China

[3] ETH, Inst Chem & Bioengn, CH-8093 Zurich, Switzerland

来源：

JOURNAL OF CATALYSIS | 2013年 / 300卷

关键词：

Hydrodesulfurization; Molybdenum phosphide; H2S; Dibenzothiophene; Sulfur incorporation; METAL PHOSPHIDES; CATALYSTS; KINETICS; SILICA; SPECTROSCOPY; PERFORMANCE; NI2P; HDN;

D O I：

10.1016/j.jcat.2013.01.015

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

The surface of MoP becomes sulfided during hydrodesulfurization (HDS) of dibenzothiophene (DBT), and the HDS activity increases with time on stream, showing that the sulfided MoP surface is more active than the fresh MoP surface. MoP pretreated with H2S/H-2 under HDS reaction conditions showed the same activity increase as fresh MoP, but XPS did not show any sulfur at the surface of the pretreated Mop. Hence, the sulfur that is incorporated into the MoP surface during the HDS of DBT originates from DBT rather than from H2S. (C) 2013 Elsevier Inc. All rights reserved.

引用

页码：197 / 200

页数：4

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