CatCracking-Cyclone Erosion

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Cyclone Eerosion
Tony Schmitz, Emtrol

Cyclone Operation: Not having erosion is better than having erosion
-Crossover duct configuration can eliminate erosion (see introductory photos)
-Diplegs diamters are generally designed too big. Emtrol believes 8 dia is typically optimum slows catalyst velocity, eliminates eddy currents.
-Cyclone cone angles need to be sharp, not shallow
-When repairing holed cones/dust bowls
-Preferred method is full-surrouod, hex-anchored refractory, encased in steel jacket
-Consider using thicker lining (2 vs or 1)

Preferred Wed Patterns:
-regen every other hex, every other row
-reactor every hex, every row

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