Synthesis of ZSM-22 Zeolite Nanosheets with Improved Stability in the Catalytic Conversion of Methanol to Hydrocarbons

被引：4
作者：
Liu, Chuang [1 ,2 ]
Liang, Jun [3 ]
Ma, Duozheng [1 ,2 ]
Li, Xiangcheng [1 ]
Li, Liyuan [1 ]
Wang, Yu [1 ]
Zhang, Tiezhu [1 ]
Fu, Wenhua [1 ]
Wang, Zhendong [1 ]
Yang, Weimin [1 ,2 ]
机构：
[1] SINOPEC Shanghai Res Inst Petrochem Technol Co Ltd, State Key Lab Green Chem Engn & Ind Catalysis, Shanghai 201208, Peoples R China
[2] East China Univ Sci & Technol, Sch Chem Engn, Shanghai 200237, Peoples R China
[3] Anhui Normal Univ, Coll Chem & Mat Sci, Anhui Engn Res Ctr Carbon Neutral, Minist Educ,Key Lab Funct Mol Solids,Anhui Key Lab, Wuhu 241002, Peoples R China
来源：
INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH | 2023年 / 62卷 / 26期
基金：
中国国家自然科学基金;
关键词：
ACID SITES; PERFORMANCE; ISOMERIZATION; DIFFUSION; HZSM-22; MFI; HYDROISOMERIZATION; DIFFRACTION; SELECTIVITY; CRYSTALS;
D O I：
10.1021/acs.iecr.3c00732
中图分类号：
TQ [化学工业];
学科分类号：
0817 ;
摘要：
The synthesis of zeolite nanosheets is an effective strategytoobtain advanced catalysts with enhanced catalytic performance dueto the improved diffusion properties. ZSM-22 zeolite nanosheets (F-ZSM-22,U-ZSM-22) with a controllable orientation and a thickness of lessthan 20 nm were obtained through hydrothermal crystallization by introducingNaF or urea into the synthetic system of conventional ZSM-22 (C-ZSM-22).In the presence of both NaF and urea, a zeolite nanosheet (FU-ZSM-22)with a decreased width was synthesized. In comparison with C-ZSM-22,all ZSM-22 nanosheets displayed better diffusion properties. On testingcatalysts in the methanol-to-hydrocarbon reaction, ZSM-22 nanosheetsshowed better stability than C-ZSM-22, and FU-ZSM-22 was the bestcatalyst.
引用
收藏
页码：10080 / 10089
页数：10
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