Abstract
Publisher Summary This chapter discusses the synthesis of methyl isobutyl ketone (MIBK) over platinum (Pt) supported on NaX and CsX zeolites. The activity increased as both the temperature and the H 2 /Ac ratio are increased. Temperature also had a beneficial effect on the selectivity to MIBK but the H 2 /Ac ratio had an opposite effect. Activities and selectivities are always higher for Pt/NaX than for Pt/CsX. For Pt/NaX, increasing the reduction temperature increased the activity but decreased the selectivity to MIBK. Both catalysts are quite stable and selectivities to MIBK of 70% are obtained over Pt/NaX at 613 K and H 2 /Ac = 0.5. The absence of both strong acidic and strong basic sites and a proper balance between metallic and basic sites are responsible for behavior observed.
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