Batch and continuous processes

Advantages and disadvantages of batch and continuous processes.

OCR Salters B F332

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Batch process


  • Cost effective for small quantities
  • Low capital costs for the plant
  • Different products can be made using the same vessel


  • Filling, emptying and cleaning reaction vessel is time-consuming
  • May require a large workforce
  • Contamination possible if different products are being made
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Continuous process


  • Suited to high-tonnage products
  • Can operate for months at a time without needing to be shut-down
  • More easily automated, so workforce can be smaller


  • Less flexible - usually designed to make one product
  • Much higher capital costs in building the plant
  • Not cost effective if run below full capacity
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