August 2000

Process Technology

Revamped FCC debutanizer yields flexibility with more capacity

Since not achieving goals from an earlier retrofit, a refiner investigated this column's distillation internals to maximize value creation

Hanson, D. W., Process Consulting Services, Inc.; Becker, T., BP Amoco Oil Co.

Refiners and petrochemical operating companies actively seek opportunities that maximize value creation for individual processing units within the plant. Maximum value creation involves optimizing unit capacity by debottlenecking process/equipment limitations. Equally important, the competitive marketplace has created a perplexing operating dilemma. HPI companies must find ways to operate major equipment at full/maximum capacities while maintaining reliable processing operations over extended run lengths—four to six years or even longer. Goals. To achieve maximum capacity and reliability, more economic emphasis is directed toward revamp projects that are done during scheduled unit shu

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