Four products (A-D) are made in a batch processing plant. The times (in hours) required for each

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Four products (A-D) are made in a batch processing plant. The times (in hours) required for each piece of equipment for each product are shown in Table P3.15.Table P3.15 Equipment Processing Times for Problem 3.15 Product Mixer/Heater Reactor Filter

Using the information in Table P3.15, answer the following questions:

  • Is this a jobshop or flowshop plant?
  • Over a 600 h period (approximately 1 month), the required number of batches for products B and D is 25 and 10, respectively. 
  • The demand for products A and C is such that twice as many batches of A compared to C are required. Determine how many batches of A can be manufactured if single product campaigns are used. In your calculations, you should use the exact cycle time expression for each product.
  • Repeat Part (b) but use the limiting cycle time for each product.
  • For a process with unlimited intermediate storage (uis process) and an equal number of batches for each product, determine the maximum number of batches for each product using a mixed product campaign (ABCDABCD… or ACBDACBD…, etc.) in a 600 h operating period.
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Analysis Synthesis And Design Of Chemical Processes

ISBN: 9780134177403

5th Edition

Authors: Richard Turton, Joseph Shaeiwitz, Debangsu Bhattacharyya, Wallace Whiting

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