Batch processing : modeling and design by Urmila Diwekar

By Urmila Diwekar

Although batch processing has existed for a very long time, designing those approaches and unit operations has been thought of an laborious activity that required computational efforts. layout of those approaches is made extra complicated as a result time established nature of the method and the allowable flexibility. generally, each unit encounters optimum keep watch over difficulties. accordingly, conventional layout books haven't coated batch processing intimately. Filling this void, Batch Processing: Modeling and Design describes quite a few unit operations in batch and bio-processing in addition to layout equipment for those units.

Topics include:

  • Batch distillation working modes and configurations
  • Batch absorption operations according to the solubility difference
  • Batch adsorption in response to differential affinity of assorted soluble molecules to stable absorbents
  • Batch chromatography for measuring a large choice of thermodynamic, kinetic, and physico-chemical properties
  • Batch crystallization the place a section is used to discover the supersaturation at which aspect fabric crystallizes
  • Batch drying that stresses the section diagram of water to explain this operation
  • Batch filtration utilizing a porous medium or display to split solids from liquids
  • Batch centrifugation the place centrifugal strength is used for separation

Batch techniques are regular in pharmaceutical, nutrients, and area of expertise chemical substances the place excessive price, low quantity items are synthetic. fresh advancements in bio-based production additionally desire batch methods simply because feed diversifications might be simply dealt with in batch methods. additional, the rising region of nanomaterials production at the moment makes use of batch strategies as they're low quantity, excessive power in depth strategies. With examples, case stories, and greater than a hundred homework difficulties, this booklet describes the unit operations in batch and bioprocessing and provides scholars an intensive grounding within the numerical tools essential to remedy those layout problems.

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Example text

1 Simple Distillation . . . . . . . . . . . . . . . . . . . . . . . 2 Operating Modes . . . . . . . . . . . . . . . . . . . . . . . . 2 Hierarchy of Models . . . . . . . . . . . . . . . . . . . . . . . . . 1 Rigorous Model . . . . . . . . . . . . . . . . . . . . . . . . 2 Low Holdup Semirigorous Model . . . . . . . . . . . . . . . 3 Shortcut Model . . . . . . . . . .

23 approaches the Galerkin approximation [19], which has been shown to be the most accurate method of weighted 15 Numerical Methods for Integration residuals. The difference is that the Galerkin method is not suitable for machine computation while orthogonal collocation is easily programmable and is as accurate as the Galerkin method. In the orthogonal collocation method, the collocation points are taken as roots of orthogonal polynomials. This procedure was first advanced by Lanczos [18] and was developed further for the solution of ordinary differential equations using the Chebyshev series.

5 Complex Systems . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 Azeotropic Distillation . . . . . . . . . . . . . . . . . . . . . 2 Reactive Distillation . . . . . . . . . . . . . . . . . . . . . . 6 Computer Aided Design Software . . . . . . . . . . . . . . . . . . . 7 Summary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Notations . .

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