: A tracer a plastic mec recorded as
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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Transcribed Image Text:12.38 A tracer analysis was performed on a pilot trickling filter packed with a 10-ft depth of
12.30
plastic media. The time to the appearance of the peak of the tracer concentration was
recorded as a function of the hydraulic loading rate. The following data were collected:
0.9 1.2
Hydraulic loading rate (Q) gpm/ft² 0.2 0.6 0.9
Time to peak of tracer conc., min
28 21 15 14
Find the coefficients C and n in the model shown in equation 12.46.
dotermine the reaction-rate coefficient for cross-flow
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