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6. Energy Management (SEC and other indices)
6. Energy Management (SEC and other indices)
II. Crucial Factors affecting EE&C
    1. Feedstock properties
    2.* Product pattern and specifications
    3. Refinery configuration
    4.* Flexibility in operation (Capacity utilization)
    5. Process technology and plant reliability
    6. *Deterioration in performance, on-stream maintenance and turnaround work
    7. Constraints including environmental regulations
    8. Others
    Remarks: Items with * are discussed from now on
Product pattern and specifications
    To avoid quality giveaway:
    - To avoid excess quality over spec.
    - Examples of quality giveaway
      Distillation (IBP, FBP, FP, etc.)
      HDS Process (Total Sulfur)
      Catalytic Reformer (Octane No.)
    - Examples of measures
      On-line or off-line monitoring
      with historical data analysis
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