Suppose a stream with a velocity of 1 ft/s, a flow of 10 million gallons per day (mgd), and an ultimate BOD of 5 mg/L was hit with treated sewage at 5 mgd with an ultimate BOD (L,) of 60 mg/l. The temperature of the stream water is 20 °C, at the point of the sewage discharge the stream is 90% saturated with oxygen, and the wastewater is at 30°C and has no oxygen. Measurements show the deoxygenation constant k = 0.5 and the reoxygenation k, = 0.6, both as days1 Calculate: %3D

Suppose a stream with a velocity of 1 ft/s, a flow of 10 million gallons per day (mgd), and an ultimate BOD of 5 mg/L was hit with treated sewage at 5 mgd with an ultimate BOD (L,) of 60 mg/l. The temperature of the stream water is 20 °C, at the point of the sewage discharge the stream is 90% saturated with oxygen, and the wastewater is at 30°C and has no oxygen. Measurements show the deoxygenation constant k = 0.5 and the reoxygenation k, = 0.6, both as days1 Calculate: %3D

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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