摘要：

Pure 2 %raws-2-butenendheixturef 1 %is-and 1 %rans-2-bvXene weresedseedoeact with ethylene inetathesiseaction inrdero produce propyleneotudyhe effectfeedn WO3/SiO2atalysts with variousungstenxide loadings (5, 7, 9,nd 11 wt%), which were preparedy incipient wetness impregnation.heseatalysts wereharacterizedy X-ray diffraction, nitrogendsorption (BET),canning electronicroscopy, energy dispersive X-raypectroscopy, ion-exchangeitration,T-Raman,mmoniaemperature programmed desorption (NH3-TPD)ndeactant-TPD.tighungstenxide loading, whenheixturefis-andrans-2-butene wassedsheeactioneedheonversionf 2-butene was lowerhan when pureran.s-2-butene wassed.owever,he effectfw-2-butene isomernheonversionf 2-butene was less pronouncedt lowungstenxide loading.he dispersionfungsten was keyactoro improvehectivityfheungstenatalysts whenheixturefis-andrans-2-butene wassedseedoretathesiseaction.

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