Methylation of biphenyl to 4-methylbiphenyl over NH4F modified nanosized hzsm-5 catalysts

Yanan Wang; Xinwen Guo; Chen Zhang; Xiangsheng Wang; Chunshan Song

Methylation of biphenyl to 4-methylbiphenyl over NH₄F modified nanosized hzsm-5 catalysts

Yanan Wang, Xinwen Guo, Chen Zhang, Xiangsheng Wang, Chunshan Song

Research output: Contribution to journal › Article › peer-review

Abstract

The process of methylation of biphenyl (BP) to 4-methylbiphenyl (4-MBP) over NH₄F modified nanosized HZSM-5 catalysts at different temperatures was investigated. The reaction temperature has a great influence on the activity of unmodified nanosized HZSM-5 and the high conversion and the good stability were found at 450°C. the stability of catalyst is improved greatly with the increase of the NH₄F loading and the calcination temperature, while the selectivity of 4-MBP increases slightly. The conversion of BP can keep constant for 10 hours when the catalyst is calcined at 500°C.

Original language	English (US)
Pages (from-to)	59-61
Number of pages	3
Journal	American Chemical Society, Division of Petroleum Chemistry, Preprints
Volume	50
Issue number	1
State	Published - Feb 1 2005

All Science Journal Classification (ASJC) codes

Fuel Technology

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title = "Methylation of biphenyl to 4-methylbiphenyl over NH4F modified nanosized hzsm-5 catalysts",

abstract = "The process of methylation of biphenyl (BP) to 4-methylbiphenyl (4-MBP) over NH4F modified nanosized HZSM-5 catalysts at different temperatures was investigated. The reaction temperature has a great influence on the activity of unmodified nanosized HZSM-5 and the high conversion and the good stability were found at 450°C. the stability of catalyst is improved greatly with the increase of the NH4F loading and the calcination temperature, while the selectivity of 4-MBP increases slightly. The conversion of BP can keep constant for 10 hours when the catalyst is calcined at 500°C.",

author = "Yanan Wang and Xinwen Guo and Chen Zhang and Xiangsheng Wang and Chunshan Song",

year = "2005",

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T1 - Methylation of biphenyl to 4-methylbiphenyl over NH4F modified nanosized hzsm-5 catalysts

AU - Wang, Yanan

AU - Guo, Xinwen

AU - Zhang, Chen

AU - Wang, Xiangsheng

AU - Song, Chunshan

PY - 2005/2/1

Y1 - 2005/2/1

N2 - The process of methylation of biphenyl (BP) to 4-methylbiphenyl (4-MBP) over NH4F modified nanosized HZSM-5 catalysts at different temperatures was investigated. The reaction temperature has a great influence on the activity of unmodified nanosized HZSM-5 and the high conversion and the good stability were found at 450°C. the stability of catalyst is improved greatly with the increase of the NH4F loading and the calcination temperature, while the selectivity of 4-MBP increases slightly. The conversion of BP can keep constant for 10 hours when the catalyst is calcined at 500°C.

AB - The process of methylation of biphenyl (BP) to 4-methylbiphenyl (4-MBP) over NH4F modified nanosized HZSM-5 catalysts at different temperatures was investigated. The reaction temperature has a great influence on the activity of unmodified nanosized HZSM-5 and the high conversion and the good stability were found at 450°C. the stability of catalyst is improved greatly with the increase of the NH4F loading and the calcination temperature, while the selectivity of 4-MBP increases slightly. The conversion of BP can keep constant for 10 hours when the catalyst is calcined at 500°C.

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JO - American Chemical Society, Division of Petroleum Chemistry, Preprints

JF - American Chemical Society, Division of Petroleum Chemistry, Preprints

SN - 0569-3799

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