期刊
CATALYSIS COMMUNICATIONS
卷 4, 期 2, 页码 71-76出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/S1566-7367(02)00259-5
关键词
benzene methylation; methanol; methane; methanol-only conversion; benzene-only conversion; methane conversion; ZSM-5
The methanol to aromatics conversion is shown to contribute significantly to the benzene methylation with methanol at 400degreesC over acidic ZSM-5 catalysts but such contribution over all catalysts is negligible at 250degreesC. Benzene-only conversion shows only negligible contribution at both temperatures over the catalysts studied. However, it appears that the methanol-only conversion can be minimised, to enhance the benzene methylation with methanol (and indirectly the oxidative benzene methylation with methane), by using NaZSM-5 with highly reduced Bronsted acidity. (C) 2002 Elsevier Science B.V. All rights reserved.
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