الفهرس 
MATERIALS AND EXPERrnENT.U. TECHNIQUESOnly 14 pages are availabe for public view
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Abstract
This work has btiP.n carried out to investigate the role of different factors affecting the
surface and calalytic properties of Ff>20,-Cr 03 / Al203 mi ed oxide catalysts.
These catalysts are comm on ly used in higb temperatu re stea m-gas ntQnufa cture of nitrogenous
fertilizers. Th fllciM’S investigated Include FC20J anti CrzOJ conl nts, mod e of preparation
1111d Activalion, caltination
cond ition s, doping with Li10 and 0 an d ion izing rad iatio n . The re3Ults showed that Cr20,
incnASes mark edly the surface area and the catalyst durabil ty. )’ 03 on lhc other hand , acts as
the most catalylically lldive constituents. Catalytic ae:livicy was found to increase tUarkedly by
subjecting the J talyst toy-irradiAtion as well a s by doping it with Li10 or K20.