FOAMSTOP 5025 antifoam reduced Si contamination by more than 60% Challenge Incumbent antifoam product was causing silicon poisoning, forcing the refiner to spend millions of dollars to change out the catalyst in the naphtha hydrotreater Results ? Reduced silicon content in coker naphtha by 64% and NHT naphtha by 73% ? Doubled the reactor bed catalyst life, delivering annual savings of $400,000 USD ? Controlled foaming while reducing antifoam usage rate over incumbent product To resolve the persistent problem of foaming in their processing units, refiners commonly implement one or more antifoam chemistries. In delayed coker processes, traditional silicone- based antifoams have been used for many years due to their relative thermal stability. However

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