Liquid-phase a-Pinene Isomerization over Fe-doped Sulfated Zirconia Prepared by a Hydrothermal Treatment-assisted Process.pdfVIP
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Liquid-phase a-Pinene Isomerization over Fe-doped Sulfated Zirconia Prepared by a Hydrothermal Treatment-assisted Process.pdf
FULLPAPER
Liquid--phasea-PineneIsomerizationoverFe--dopedSulfated
ZirconiaPreparedbyaHydrothermalTreatment-assisted
Process
Liu,Jianfeng(刘剑锋) Zhao,Jie。(赵杰) Miao,Changxi。(缪长喜)
Yue,Yinghong(乐英红) Hua,Weiming,。(华伟明) Gao,Zi。(高滋)
。ShanghaiResearchInstituteofPetrochemicalTechnology,Shanghai201208,China
ShanghaiKeyLaboratoryofMolecularCatalysisandInnovativeMaterials,DepartmentofChemistry
FudanUniversity,Shanghai200433,China
AseriesofFe—doped(0.5%一3%)sulfatedzirconiahavebeenpreparedbyahydrothermaltreatment—assisted
process.Texturalandstructuralchraacterizationsoftheas—synthesizedmaterialswereperformedbymeansofN2
adsorption,X—ray diffraction,transmissionelecrtonmicroscopy,scanningelectron microscopy andthemr ogravi—
metricnaalysis.Temperature—programmeddesoprtionofammoniawasusedtodetemr inetheacidityofthesma ples.
TheeffectsofFe—dopingonthestructure.acidityandcatalyticactivityofsulfatedzirconiaforliquid—phase —pinene
isomerizationwereinvestigated.Theincoproration ofsmallamountsofFeinto sulfatedzirconiaresultsinhte
increaseofsulfatecontentandthenumberofacidsites,whichisresponsibleofrhteenhnacedactivityofFe—doped
catalystsincomparisonwiht theundopedone.M eanwhile,hydrohtemr alrteatmenthelpstoimprovehteactivityof
thecatalyst.
Keywords sulfatedzirconia,Fe—doping,hydrothermaltreatment,promotingeffect,acidity,isomerization
lntroduction highly value.addedproductssuch ascamphene,limo-
nene,rticylene,terpinoleneand terpinene can bepro—
Inth
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