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Oxidation of propane over substituted Keggin phosphomolybdate salts.pdf
Availableonlineatwww.
JOURNALOF
Direct NATURALGAS
CHEMISTRY
一 JournalofNaturalGasChemistry18(2009)319—324 www.elsevier.com/locatej/ngc
OxidationofpropaneoversubstitutedKegginphosphomolybdatesalts
T.M azari1 C.ROch.M archal2 S.Hocine1 N.Salhi1 C.Rabia1
, , , ,
,.LaboratoiredeChimieduGazNaturel,FacultddeChimie,UniversitddesSciencesetdelaTechnologieHouariBoumediOne,USTHB
BP32,El-Alia,Bab—Ezzouar,Alger,Algdrie;2.ILV-UMR8180CNRS—UniversitddeVersailles·StQuentin-en—Yvelines,
黪 BtimentLavoisier,45avenuedesEtats—Unis,78035VersaillesCedex,France
l
棼 [ReceivedFebruary4,2009;RevisedMarch31,2009;AvailableonlineJuly20,2009】
S
● ■l
C
Abstract
e
Ammonium salts,(NH4)6HPMol1MO40(M =Ni,Co,Fe),havebeeninvestigatedfortheoxidationofpropane,withmolecularoxygen,at
n
temperaturerangingbetween 380。C and420。C afterin—situ pre—treatmentperformedattwoheatingrateof5or9。C/min.Theywere
C
characterizedbyBET method,XRD,3lPNMR UV-VisandIR techniques.Thecatalystswerefoundactiveinthepropaneoxidationand
e ,
selectivetopropeneoracrolein,inparticularofrsamplespre—treatedwiththeheatingrateof9。C/min.
Keywords
propaneoxidation;p
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