Synthesis and Catalytic Properties of Large Single Crystal FeAPO-5 Molecular Sieves

Abstract

Abstract: FeAPO-5 molecular sieves large single crystals 30 μm×100 μm along a and c directions were synthesized in fluoride system by using organic amine(Et₃N) as the structure-directing agent. Its X-ray power diffraction pattern, thermal stability, scanning electron microscopy, etc. were studied. And its catalytic activity in hydroxylation of phenol with hydrogen peroxide as the oxidant was also investigated. The result shows that the phenol conversion is about 20.4% and the selectivities of catechol and hydroquinone are about 74.8% and 25.3%, respectively. It reveals that FeAPO-5 molecular sieve is a promising catalyst.

Key words: FeAPO-5, Synthesis, Catalysis

CLC Number:

O614

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WEI Bo, LIU Jian-Hong, SUN Jian-Min, XIN Ming-Hong, HONG Wei-Liang, XIAO Feng-Shou, QIU Shi-Lun . Synthesis and Catalytic Properties of Large Single Crystal FeAPO-5 Molecular Sieves[J]. Chem. J. Chinese Universities, 2005, 26(3): 418.

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Synthesis and Catalytic Properties of Large Single Crystal FeAPO-5 Molecular Sieves

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