In-situ synthesis and catalytic activity of ZSM-5 zeolite

被引：70
|
作者：
Feng, Hui [1 ,2 ]
Li, Chunyi [1 ]
Shan, Honghong [1 ]
机构：
[1] China Univ Petr, State Key Lab Heavy Oil Proc, Dongying 257061, Peoples R China
[2] Univ Michigan, Ann Arbor, MI 48109 USA
来源：
APPLIED CLAY SCIENCE | 2009年 / 42卷 / 3-4期
关键词：
Kaolinite; ZSM-5; In-situ synthesis; Light olefins; KAOLIN; PRECURSOR;
D O I：
10.1016/j.clay.2008.05.004
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：
ZSM-5 zeolite has been hydrothermally synthesized in-situ on the external surface of calcined kaolinite in the presence of n-butylamine. This supported zeolite was characterized by X-ray diffraction (XRD), scanning electron microscopy (SEM), Fourier transform infrared (FT-IR) spectroscopy and N-2 adsorption. Several synthesis variables were systematically investigated, including SiO2 to Al2O3 ratio, pH, crystallization time, and crystallization temperature. After mixing the ZSM-5 with a Fluid Catalytic Cracking (FCC) catalyst, catalytic performance was evaluated by cracking vacuum gas oil (VGO) in a micro-fixed bed reactor. ZSM-5 addition was favorable for the production of light olefins by catalytic cracking of VGO. (C) 2008 Elsevier B.V. All rights reserved.
引用
收藏
页码：439 / 445
页数：7
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