High-silica nanocrystalline Beta zeolites: efficient synthesis and catalytic application.
High-silica nanocrystalline Beta zeolites: efficient synthesis and catalytic application.
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DOI:
10.1039/c5sc03019f
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发表时间:
2016-01-01
期刊:
影响因子:
8.4
通讯作者:
Corma A
中科院分区:
文献类型:
--
作者:
Martínez-Franco R;Paris C;Martínez-Armero ME;Martínez C;Moliner M;Corma A
An efficient synthesis methodology to obtain homogeneous nanosized high-silica Beta zeolites (∼10–20 nm) with high solid yields (above 95%) using simple alkyl-substituted flexible dicationic OSDAs is described. An efficient synthesis methodology to obtain homogeneous nanosized high-silica Beta zeolites (∼10–20 nm) with high solid yields (above 95%) using simple alkyl-substituted flexible dicationic OSDAs is described. These dicationic OSDAs allow the synthesis of nanosized Beta zeolites with different Si/Al ratios (15–30) in alkaline and fluoride media, resulting in nanocrystalline materials with different physico-chemical properties. These nanosized Beta zeolites show better catalytic behavior towards the industrially-relevant alkylation of benzene with propylene to obtain cumene compared with other commercially available nanosized Beta zeolites.
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