Lesson 1, Topic 4
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Process Evaluation

Abdulaziz July 7, 2020
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After utilizing the experienced‐based principles (heuristics) to build a conceptual design, the following steps are taken to form the base‐case design and to evaluate the alternatives and optimize the process.

  1. Preliminary Base Case Process Flow Diagrams (PFD)
    • Different alternatives are constructed with emphasis on reaction paths
    and separation schemes and sequence.
    • Mass and energy balances are conducted
  2. Advanced Stages of Process Flow diagrams
    • Unit operation designs (distillation columns, reactors, etc.)
    • Mass and heat integration (Pinch Analysis)
  3. Economical Analysis
    1. Process capital and operating costs
    2. Profitability Analysis

If the process is deemed economically feasible and profitable, the plant will be built.