Facile synthesis of hierarchical hollow Mn-ZSM-5 zeolite for enhanced cyclohexane catalytic oxidation

被引：16
作者：
Niu, Xiaoran [1 ]
Sun, Yinyong [1 ]
Lei, Zuotao [1 ,2 ]
Qin, Guoshi [1 ]
Yang, Chunhui [1 ,2 ]
机构：
[1] Harbin Inst Technol, Sch Chem & Chem Engn, MIIT Key Lab Crit Mat Technol New Energy Convers, Harbin 150001, Peoples R China
[2] Harbin Inst Technol, Key Lab Microsyst & Microstruct Mfg, Minist Educ, Harbin 150001, Peoples R China
来源：
PROGRESS IN NATURAL SCIENCE-MATERIALS INTERNATIONAL | 2020年 / 30卷 / 01期
关键词：
Hierarchical ZSM-5; Mild oxidation of cyclohexane; Cyclohexanol; Cyclohexanone; METAL-CONTAINING ZSM-5; SELECTIVE OXIDATION; SINGLE-CRYSTALS; ACIDITY; SYSTEM;
D O I：
10.1016/j.pnsc.2019.09.006
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
ZSM-5 zeolite with hollow structure has gained considerable attention due to their unique properties and great potential applications in catalysis field. In this study, hierarchical hollow ZSM-5 zeolite was synthesized via a facile one-pot hydrothermal process during which a few amount of polyvinylpyrrolidone (PVP) was added. The synthesized ZSM-5 zeolite catalysts were characterized by the XRD, BET-BJH, TEM, FE-SEM, EDS, ICP-AES, XPS and intrusion/extrusion mercury analysis. The results showed that such hierarchical hollow ZSM-5 zeolite as micro-reactor after the modification by Mn species displayed excellent activity with a conversion of 98.7% and an overall selectivity of 97.6% for mild oxidation of cyclohexane to cyclohexanol and cyclohexanone (KA oil) at 70 degrees C, making this type of catalyst a candidate for the production of industrial KA oil. Also, this approach is proved to be a desirable strategy for constructing hollow zeolite micro-ellipsoids by simple and cost-effective manner, thereby, providing a new avenue to be explored in catalysis field.
引用
收藏
页码：35 / 40
页数：6
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