QUESTION: A city of 5000 persons is to be served by a low rate trickling filter with a synthetic packing (K = 2.2 at 20 oC, n = 0.5). Pertinent data are: wastewater flow = 380 L/cap-d, BOD5 after primary sedimentation basin = 140 mg/L, BOD5 after final sedimentation basin = 20 mg/L, and filter bed depth = 2.5 m. The winter wastewater temperature is 15 o Calculate the filter diameter (m).

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Answered: QUESTION: A city of 5000 persons is to…

Fundamentals of Geotechnical Engineering (MindTap Course List)

5th Edition

ISBN:9781305635180

Author:Braja M. Das, Nagaratnam Sivakugan

Publisher:Braja M. Das, Nagaratnam Sivakugan

Chapter7: Seepage

Section: Chapter Questions

Problem 7.6P

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QUESTION: A city of 5000 persons is to be served by a low rate trickling filter with a synthetic packing (K = 2.2 at 20 ^oC, n = 0.5). Pertinent data are: wastewater flow = 380 L/cap-d, BOD₅ after primary sedimentation basin = 140 mg/L, BOD₅ after final sedimentation basin = 20 mg/L, and filter bed depth = 2.5 m. The winter wastewater temperature is 15 ^o Calculate the filter diameter (m).

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