Corrosion inhibitor for coker units: the small chemical shield...

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2026-07-08 06:46:39 -

Corrosion inhibitor for coker units: the small chemical shield protecting billion-dollar refinery bottoms from chloride, acid and shutdown risk

A coker unit is where a refinery sends its heaviest molecules when every lighter fraction has already been pulled out. In a 250,000 barrels-per-day refinery, delayed coking can handle 25,000–60,000 barrels per day of vacuum residue, converting low-value bottoms into lighter gas oils, naphtha, LPG and petroleum coke. That single block often represents 10–25% of crude throughput but...

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