Case Study

New Delayed Coker Antifoam Reduced Silicon Carryover

New Delayed Coker Antifoam Reduced Silicon Carryover

Pages 2 Pages

Case History A West Coast US re? nery using 600,000 cSt antifoam in their delayed coker was experiencing higher than desired silicon carryover in the streams exiting the main fractionator. Base case coker liquid product samples collected at identical periods in the drum cycle showed silicon levels of 20.0 ppm, 4.5 ppm and 2.5 ppm in coker naphtha, LCGO, and HCGO, respectively. This silicon carryover was having a negative impact on cataly

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