Page 219 - Fluid Catalytic Cracking Handbook

Products and Economics

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ZSM-5 wt% in Catalyst Inventory

Figure 6-2. The effect of ZSM-5 on light-ends yield [5].

* Increasing reactor temperature (if the increase does not over-crack
the already produced gasoline)

Gasoline Quality

The Clean Air Act Amendment (CAAA), passed in November 1990,
has set new quality standards for U.S. gasoline. A complete discussion
of the new gasoline formulation requirements can be found in Chap-
ter 10.