Trial run of FCCU additive reduces fuel-oil production in heavy feed

08/28/2000
In a trial run at the National Petroleum Refiners (Pty.) Ltd. (Natref) refinery, Sasolburg, South Africa, a bottoms-cracking additive reduced the fluid-catalytic cracking unit (FCCU) fuel-oil bottoms yields by about 2.4 wt %, giving the refinery flexibility in dealing with high bottoms-making feeds.Natref tested Intercat Inc.'s BCA-105 bottoms-cracking additive for 2 months. To ensure that the results of the trial were meaningful, Natref used several methods to analyze the additive performance.These methods included:KBC Advanced Technologies plc's Profimatics FCC-SIMOPT modeling.Direct data averaging for selected periods.Yield-scatter plots.Analysis of unit yield data by Akzo Nobe...
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