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Ludwig's Applied Process Design for Chemical and Petrochemical Plants, 4th Edition by A. Kayode Coker, PhD

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7.16 BATCH OR CONTINUOUS MIXING

Often pilot plant or research data for developing a process are obtained on a batch operation. Later, a continuous process will usually prove that smaller equipment can be used and that the operation will be more economical. Normally batch mixing requires 10–25% more power than continuous [14] for stable conditions; however, the reaction time for continuous flow is always longer than the reaction time for batch flow, but the practical result may show batch time cycle is increased by filling, cleaning, and emptying the reactor (Figures 7-37a and b).

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Figure 7-37a Illustration of chemical reaction in a batch system ...

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