A thermal process is being used to reduce the microbial population on product contact surfaces of the
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Question:
A thermal process is being used to reduce the microbial population on product contact surfaces of the packages
needed for aseptic packaging of the liquid product. The spoilage microorganism has a D 121 = 10 min and a z = 8°C. The microbial population on the surface is 100 per cm 2 and the product contact surface area is 8 cm 2 for each package. A 9D process has been recommended.
a. Determine the process time for the containers at 140°C.
b. Estimate the number of containers with spoilage based on survivors on the package surface when 10 million packages have been filled.
Related Book For
Probability & Statistics for Engineers & Scientists
ISBN: 978-0130415295
7th Edition
Authors: Ronald E. Walpole, Raymond H. Myers, Sharon L. Myers, Keying
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