NH4+-tetraalkyl ammonium systems in the synthesis of zeolites
NH4+-tetraalkyl ammonium systems in the synthesis of zeolites
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DOI:
10.1038/285030a0
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发表时间:
1980-05
期刊:
影响因子:
64.8
通讯作者:
D. Bibby;N. Milestone;L. Aldridge
中科院分区:
文献类型:
--
作者:
D. Bibby;N. Milestone;L. Aldridge
ZSM-5 (ref.1) and ZSM-11 (ref. 2) are silica-rich aluminosilicate zeolites with similar two-dimensional intersecting channel structures. They are conventionally synthesised from Na+–tetraalkylammonium (Na+–TAA) systems at high pH and temperatures around 160°C (refs 3–6). We report here what we believe to be the first use of systems free of alkali metal ions in the synthesis of the zeolites ZSM-5 and ZSM-11.