Dividing Wall Column Feed Flexibility

Source: AIChE
  • Type:
    Conference Presentation
  • Conference Type:
    AIChE Spring Meeting and Global Congress on Process Safety
  • Presentation Date:
    August 19, 2020
  • Duration:
    60 minutes
  • Skill Level:
    Intermediate
  • PDHs:
    1.00

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Does process intensification reduce feed flexibility? This presentation compares and discusses the feed flexibility between a Two-Column design and a Dividing Wall Column (DWC) design for Reformate Fractionation. DWCs are known to reduce capital cost, energy consumption, and plot space. These benefits can easily save projects in the short-term. However, DWCs are fine-tuned to make specific product cuts. This process intensification inherently reduces the feed operability range. This effect begs the question of how much of a reduction. The case study discussed should reveal insight into these questions.
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