Japan refiner improves FCC operations using catalyst separation technology

In September 1999, Kyokuto Petroleum Industries (KPI) commissioned a MagnaCat catalyst-separation unit in its resid fluid catalytic cracker (RFCC) at its Chiba, Japan, refinery.KPI observed these operating benefits, in order of economic importance:Yield improvements at a constant catalyst-makeup rate.Higher feed vacuum resid content due to improved coke selectivity.Reduced catalyst makeup rate at constant equilibrium activity.The economic benefit attributable to MagnaCat is as much as $0.47/bbl of feed when the unit operates in a maximum gasoline mode against a catalyst cooler limitation.These results confirm studies1-6 showing that removing the oldest FCC catalyst particles via magnetic ...

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