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Heat removal becomes more difficult as a batch reactor is scaled up because

  • A.area rises more slowly than volume
  • B.the reaction itself becomes faster
  • C.the heat of the reaction increases
  • D.the coolant becomes less effective

Answer: A

Volume grows with the cube of the linear dimension and jacket area only with the square, so the area per unit volume falls. Internal coils or an external loop are the usual remedies. The ratio falls in proportion to the linear dimension.

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