期刊
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY
卷 134, 期 2, 页码 836-839出版社
AMER CHEMICAL SOC
DOI: 10.1021/ja209950x
关键词
-
资金
- National Natural Science Foundation of China [20903091, 20973164, 20906089, 21103180]
The heptamethylbenzenium cation (heptaMB(+)) has been speculated to be one of the most important active intermediates involved in the hydrocarbon pool mechanism of methanol-to-olefin (MTO) conversion. By the use of DNL-6, a newly synthesized SAPO-type molecular sieve with large cavities, heptaMB(+) has for the first time been directly observed during methanol conversion under real working conditions. C-13-labeling experiments suggested that olefin formation mediated by heptaMB(+) mainly follows the side-chain mechanism.
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