%0 Journal Article
%T HierarchicalZSM-5catalystsynthesizedbyaTritonX-100assistedhydrothermalmethod
%A S. Narayanan
%A J. Judith Vijaya
%A S. Sivasanker
%A Sihai Yang
%A L. John Kennedy
%J ´ß»¯Ñ§±¨
%P 1892-1989
%D 2014
%R 10.1016/S1872-2067(14)60177-7
%X £¿ZSM-5zeolitewithahexagonalcubicmorphologywassynthesizedbyahydrothermalmethodusingTritonX-100,anonionicsurfactant.ThesamplespreparedwithandwithoutthesurfactantwerecharacterizedbyX-raydiffraction(XRD),Fouriertransforminfraredspectroscopy,N2adsorption,highresolutiontransmissionelectronmicroscopy(TEM),highresolutionscanningelectronmicroscopy,energydispersiveX-rayanalysis,andNH3temperature-programmeddesorption.TheXRDpatternsconfirmedtheformationofapureZSM-5crystallinephasewithoutsecondaryphases.TEMimagesrevealedthatthehexagonalcubesweremadeofpeanut-shapednanoparticleswithvoids.Thecatalyticactivityofthezeolitesampleswasevaluatedusingtheselectiveoxidationofbenzylalcoholwithtertiary-butylhydrogenperoxideastheoxidantat90¡æ.Thesurfactant-assistedpreparationyieldedazeolitethatgaveahigherconversionthantheonepreparedintheabsenceofthesurfactant.Thecatalystwasretrievedandreusedfourtimeswithoutsignificantlossinactivityandselectivity.
%K Heterogeneouscatalysis
%K ZSM-5zeolite
%K Hydrothermalsynthesis
%K Selectiveoxidation
%K Surfactant
%K TritonX-100
%U http://www.chxb.cn/CN/abstract/abstract21434.shtml