() A wastewater sample is being analyzed to determine its BOD content. The sample is diluted in order to perform the test 295 ml, of distilled water are added to 5 ml of sample to fill the 300 ml BOD bottle. The bottle has an initial dissolved oxygen concentration of7.9 mg/L After incubating 5 days, the dissolved oxygen concentration is 45 mg/L a. What is the S-day BOD of the wastewater? h. The deoxygenation rate constant, k. is 0.013 day What is the ultin BOD of the wastewater?

Solid Waste Engineering
3rd Edition
ISBN:9781305635203
Author:Worrell, William A.
Publisher:Worrell, William A.
Chapter5: Separation Processes
Section: Chapter Questions
Problem 5.18P
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(0 Awastewater sample is being analyzed to determine its BOD content. The sample is
diluted in order to perform the test: 295 ml. of distilled water are added to 5 ml of
sample to fill the 300 ml BOD bottie. The bottle has an initial dissolved oxygen
concentration of 7.9 mg/L After incubating 5 days, the dissolved oxygen concentration
is 45 mg/L
a. What is the S-day BOD of the wastewater?
h. The deoxygenation rate constant, k. is 0.013 day What is the ultin
BOD of the wastewater?
) A community normally levies a sewer charge of 20 cents/m' (S0.20/m).
Transcribed Image Text:(0 Awastewater sample is being analyzed to determine its BOD content. The sample is diluted in order to perform the test: 295 ml. of distilled water are added to 5 ml of sample to fill the 300 ml BOD bottie. The bottle has an initial dissolved oxygen concentration of 7.9 mg/L After incubating 5 days, the dissolved oxygen concentration is 45 mg/L a. What is the S-day BOD of the wastewater? h. The deoxygenation rate constant, k. is 0.013 day What is the ultin BOD of the wastewater? ) A community normally levies a sewer charge of 20 cents/m' (S0.20/m).
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