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Notes

EVALUATION OF FCC CATALYSTS USING A MICROACTIVITY TEST (MAT) REACTOR

The evaluation of FCC catalysts is typically performed using a microactivity test (MAT) unit. This Altamira Instrument Note reviews the MAT test and the unit.                

By Dr. George Marcelin

MEASURING SURFACE AREAS IN CATALYSTS

This Altamira Note gives a basic background on the measurement of BET surface area as applied to catalysts and catalytic supports as well as discusses the flow techniques for measurement of surface area.
 
 

Correlating Catalyst Characterization Measurements With Productivity in a Pharmaceutical Reaction Frank P. Gortsema, Ralph N. Landau, and Donna G. Blackmond Merck & Co., Inc

Heterogeneous catalytic hydrogenation is a common reaction in many multistep syntheses of pharmaceuticals and fine chemicals. The commercial scale reactions are typically carried out over supported noble metals in liquid-phase batch reactors under mild conditions of temperature and pressure. For this reason, the characteristics required of the catalyst differ somewhat from those of catalysts used in hydrogenation reactions in the petrochemical industry where high-temperature gas-phase conditions predominate. The most important characteristics are outlined below.