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RE: Decoke Interval Question

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#6287

Anonymous

The fouling rate is very dependent on the feed quality (concarbon) and the heater flux rate. Generally an anode coker that has a normal flux rate will operate with a 8 to 14 month window.  One year operations used to be normal for sponge (anode) coke.  In today’s world with vey heavy sour (SDA pitch) feeds the normal run time is about 3 to 6 months.  We also design for online spalling and pigging to help this issue.
 
Sim Romero
210-764-1159

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