Special Report: Dynamic programming determines optimum catalyst life strategy

A well-established mathematical algorithm known as dynamic programming, combined with advances in personal computing power, now allows straightforward optimization of fixed-bed catalyst life strategy. This article uses an FCC feed hydrotreater example to demonstrate dynamic programming.Dynamic programming is a systematic method that balances present-day rewards against future penalties that are a direct result of today's actions. An Excel-based framework allows straightforward input of the pertinent relationships and event data.The output graphically depicts the profit function and all variables as functions of time. The output also clearly identifies optimum turnarounds and catalyst ...

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