Size-controlled synthesis of hierarchical ferrierite zeolite and its catalytic application in 1-butene skeletal isomerization

被引：44
作者：
Chu, Weifeng [1 ,2 ]
Li, Xiujie [1 ]
Zhu, Xiangxue [1 ]
Xie, Sujuan [1 ]
Guo, Ce [1 ,2 ]
Liu, Shenglin [1 ]
Chen, Fucun [1 ]
Xu, Longya [1 ]
机构：
[1] Chinese Acad Sci, Dalian Inst Chem Phys, Dalian Natl Lab Clean Energy, 457 Zhongshan Rd, Dalian 116023, Liaoning, Peoples R China
[2] Univ Chinese Acad Sci, Beijing 100049, Peoples R China
来源：
MICROPOROUS AND MESOPOROUS MATERIALS | 2017年 / 240卷
基金：
中国国家自然科学基金;
关键词：
Hierarchical; Ferrierite; Nano-zeolite; Aggregates; 1-butene skeletal isomerization; FER ZEOLITE; SYSTEM; ACID; PYRIDINE; ZSM-5; NMR;
D O I：
10.1016/j.micromeso.2016.11.015
中图分类号：
O69 [应用化学];
学科分类号：
081704 ;
摘要：
Nano-ferrierite zeolite aggregates with hierarchical porosity were successfully prepared by using pyrrolidine as sole organic structure-directing agent. SEM and TEM images revealed that nano-sized crystals (40-60 nm) stacked together loosely to form irregular clusters. Influence of crystallization temperature and initial gel compositions (pyrrolidine content, alkalinity, water content) on the synthesis of ferrierite zeolite were investigated in detail. Low crystallization temperature and high alkalinity were beneficial to form nano-ferrierite zeolite aggregates with high hierarchical porosity (total pore volume: 0.461 cm(3)/g). Compared with commercialized ferrierite zeolite, hierarchical nano-ferrierite aggregates showed better catalytic stability and product selectivity in the 1-butene skeletal isomerization reaction. (C) 2016 Elsevier Inc. All rights reserved.
引用
收藏
页码：189 / 196
页数：8
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