MODIFIED MAT AND GC HELP PREDICT FCC GASOLINE QUALITY

Carolyn A. Yatsu, Donald A. Keyworth Akzo Chemical Division Bayport, Tex. The modified micro-activity test (MAT), which differs from the ASTM MAT, has higher reactor temperatures, shorter oil feed durations, and better reactor design. In combination with improved gas chromatographic (GC) analysis of the MAT liquid, the modified MAT is a powerful approach to predicting the effects of FCC variables on FCC gasoline quality. The approach can be used to provide GC-RON, GC-MON gasoline front-end

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