Enhancement of pyrolysis gasoline hydrogenation over Zn- and Mo-promoted Ni/γ-Al2O3 catalysts

被引：36
|
作者：
Qian, Ying [1 ,2 ,3 ]
Liang, Shunqing [3 ]
Wang, Tinghai [1 ,2 ,3 ]
Wang, Zongbao [3 ]
Xie, Wei [3 ]
Xu, Xianlun [1 ]
机构：
[1] Chinese Acad Sci, Lanzhou Inst Chem Phys, Stake Key Lab Oxo Synthsis & Select Oxidat, Lanzhou 730000, Peoples R China
[2] Chinese Acad Sci, Grad Univ, Beijing 100049, Peoples R China
[3] Lanzhou Petrochem Res Ctr Petrochina, Lanzhou 730000, Peoples R China
来源：
CATALYSIS COMMUNICATIONS | 2011年 / 12卷 / 10期
关键词：
Pyrolysis gasoline; Styrene; Hydrogenation; Ni catalysts; Promoters; PRESULFIDED NI/AL2O3 CATALYSTS; ALUMINA CATALYSTS; SELECTIVE HYDROGENATION; NICKEL OXIDE; TRICKLE-BED; PALLADIUM; MIGRATION; PLATINUM; REACTORS;
D O I：
10.1016/j.catcom.2011.02.006
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：
Alumina-supported nickel catalysts modified by Zn and/or Mo were prepared and characterized using several techniques (XRF, BET, XRD, XPS, and TPR). The effect of Zn and Mo on catalytic hydrogenation activity was evaluated in hydrogenation of pyrolysis gasoline (PyGas) using styrene conversion for monitoring the activity trend in a fixed-bed reactor under the following conditions: temperature of 70-120 degrees C, H-2:PyGas volume ratio of 200:1, pressure of 2.8 MPa, and volume space velocity of 3.0 h(-1). The promoted Ni-based catalysts exhibited excellent catalytic activity for the hydrogenation of PyGas. The styrene conversion doubled after the introduction of Zn and Mo. (C) 2011 Elsevier B.V. All rights reserved.
引用
收藏
页码：851 / 853
页数：3
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