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A splitter differs from a separator in that

  • A.every outlet has the same composition as the feed
  • B.it has rather more than two outlet streams leaving it
  • C.it operates at a quite different pressure
  • D.it requires an energy input to work at all

Answer: A

A split changes only the flow rates, so a single balance fixes everything once the split fraction is known. A separator changes composition and needs a species balance for each component. Recognising the difference saves a great deal of algebra.

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