Inside Battery Limits

ISBL refers to a specific process operation or area within an oil refinery.  This is often a physical boundary separating the process units from the supporting equipment.  C&I has worked extensively on the units associated with the following ISBL areas.

• Amine Treating
• Aromatics Extraction
• CCR Reforming
• Crude Distillation
• Delayed Coking
• FCCU - Gas Plants
• Gas Oil Hydrotreating
• Gasoline Hydrotreating
• H₂S
• HF Alkylation
• Hydrocracking
• Isomerization
• Kerosene/Distillate Hydrotreating
• Sat Gas Plants
• Semi-Regen Reforming
• Sour Water
• SRU
• Steam Systems
• Sulfur - Other Processes
• Sulfuric Acid Alkylation

• Tail Gas Treating