Studies on the Catalytic Behaviors of NaBr/KZSM-5 Catalyst for the Oxidative Methylation of Toluene with Methane

Acta Scientiarum Naturalium Universitatis Pekinensis

Previous Articles Next Articles

Studies on the Catalytic Behaviors of NaBr/KZSM-5 Catalyst for the Oxidative Methylation of Toluene with Methane

ZHOU Lingping¹, DU Daming¹, LI Xuanwen¹, WANG Shaokun², ZHOU Aiqiu², LIU Jian²

¹College of Chemistry & Molecular Engineering, Perking University, Beijing, 100871, China; ²College of Chemistry, Shandong University, Jinan, 250100, China

Received:2000-09-27 Online:2002-03-20 Published:2002-03-20

NaBr/KZSM-5催化剂在甲苯氧化甲基化反应中的催化性能

周灵萍¹, 杜大明¹, 李宣文¹, 王少坤², 周爱秋², 刘建²

¹北京大学化学与分子工程学院，北京，100871; ²山东大学化学学院，山东，济南，250100

Abstract

Abstract: The effects of NaBr loading, reaction temperature and contact time on the catalytic behaviors of NaBr-promoted KZSM-5 zeolite for the oxidative methylation of toluene (OMT) were investigated systematically. It was found that the KZSM-5 zeolite catalyst promoted with proper NaBr loading was a very effective catalyst for the OMT. The optimum conditions for the OMT were found. The structure of catalysts have been characterized by XRD and framework IR. It was found that KZSM-5 zeolite exhibited excellent catalytic activity for the OMT and heat stability.

Key words: KZSM-5 zeolite, toluene, methane, oxidative methylation

摘要： 对NaBr/KZSM-5催化剂分别从NaBr负载量、反应温度及空速对甲苯氧化甲基化(OMT)反应性能即分别从甲苯转化率、C₈化合物的选择性及ST/EB值等方面的影响进行了系统的考察，发现NaBr/KZSM-5催化剂对OMT反应活性较高，适当的NaBr负载量能提高OMT反应活性，并能获得苯乙烯含量很高的C₈芳烃产物。找出了OMT反应合适的反应温区及适宜的空速。用XRD、骨架IR研究了催化剂的结构。

关键词: KZSM-5沸石, 甲苯, 甲烷, 氧化甲基化

CLC Number:

O643

ZHOU Lingping,DU Daming,LI Xuanwen,WANG Shaokun,ZHOU Aiqiu,LIU Jian. Studies on the Catalytic Behaviors of NaBr/KZSM-5 Catalyst for the Oxidative Methylation of Toluene with Methane[J]. Acta Scientiarum Naturalium Universitatis Pekinensis.

周灵萍, 杜大明, 李宣文, 王少坤, 周爱秋, 刘建. NaBr/KZSM-5催化剂在甲苯氧化甲基化反应中的催化性能[J]. 北京大学学报（自然科学版）.

Add to citation manager EndNote|Ris|BibTeX

URL: https://xbna.pku.edu.cn/EN/

https://xbna.pku.edu.cn/EN/Y2002/V38/I2/153

[1]	GE Hongxing, WEI Zhuorui, ZHANG Hongsheng, KANG Ling. Experimental Research of Methane Flux Measurement by the Relaxed Eddy Accumulation Method [J]. Acta Scientiarum Naturalium Universitatis Pekinensis, 2022, 58(3): 434-442.
[2]	LIN Chiumei, SONG Shuguang, CUI Ying. Abiotic Methane Inclusions in Olivine from the Yushigou Peridotite and Their Forming Conditions [J]. Acta Scientiarum Naturalium Universitatis Pekinensis, 2022, 58(2): 241-248.
[3]	XU Wenjie, ZHAO Quanlin, LUO Minghan, YE Zhengfang. Isolation and Identification of a 2,4-Dinitrotosylate Degrading Strain and Its Degradation Characteristics [J]. Acta Scientiarum Naturalium Universitatis Pekinensis, 2021, 57(4): 733-738.
[4]	LIN Yaxuan, DANG Chenyuan, ZHONG Sining, WANG Jiawen, ZHENG Tong, NI Jinren. Community Characteristics of Dominant Archaea before and after the Danjiangkou Dam [J]. Acta Scientiarum Naturalium Universitatis Pekinensis, 2020, 56(3): 509-517.
[5]	YANG Zhiqiang, HE Tao, ZHU He, LAN Kun, LU Hailong. Experimental Study of The Ultrasonic Velocity of Methane Hydrate-Bearing Unconsolidated Sediments [J]. Acta Scientiarum Naturalium Universitatis Pekinensis, 2020, 56(2): 271-282.
[6]	REN Zhaofang,PENG Lin,ZHANG Jianqiang,ZHANG Huimin. Stable Carbon Isotopic Composition and Source of Nonmethane Hydrocarbons in Urban Air, Lanzhou [J]. Acta Scientiarum Naturalium Universitatis Pekinensis, 2010, 46(3): 313-318.
[7]	RAN Liang,ZHAO Chunsheng,GENG Fuhai,PENG Li,ZHOU Guangqiang,YU Qiong,XU Jianming. Analysis of Nonmethane Organic Compounds (NMOCs) Measurements in Urban Shanghai [J]. Acta Scientiarum Naturalium Universitatis Pekinensis, 2010, 46(2): 199-206.
[8]	LI Peijun,JIN Huiran,SONG Benqin. Filtering of Ultra-Low Electromagnetic Detection Signal Using Independent Component Analysis [J]. Acta Scientiarum Naturalium Universitatis Pekinensis, 2009, 45(4): 621-627.
[9]	NAN Peng,QIN Qiming,YAO Yunjun . Land Surface Temperature Anomalies and Monitoring through Thermal Remote Sensing： A Case of Coal Bed Methane Area at Jiaozuo， Henan Province [J]. Acta Scientiarum Naturalium Universitatis Pekinensis, 2009, 45(1): 137-143.
[10]	WANG Yonghua. Estimation of Solid-Phase Microextraction Fiber Coated with Activated Charcoal [J]. Acta Scientiarum Naturalium Universitatis Pekinensis, 2008, 44(2): 257-261.
[11]	SU Fang,SHAO Min,ZHANG Min. Trends and Spatial Distributions of Methane Emissions in Beijing [J]. Acta Scientiarum Naturalium Universitatis Pekinensis, 2002, 38(4): 466-473.
[12]	SHAO Kesheng,LI Zhen. Effect of Rice Cultivars and Fertilizer Management on Methane Emission [J]. Acta Scientiarum Naturalium Universitatis Pekinensis, 1996, 32(4): 505-513.

Studies on the Catalytic Behaviors of NaBr/KZSM-5 Catalyst for the Oxidative Methylation of Toluene with Methane

NaBr/KZSM-5催化剂在甲苯氧化甲基化反应中的催化性能

Knowledge

Abstract

Cite this article

share this article

References

Related Articles 12

Recommended Articles

Metrics