A wastewater treatment plant discharges water into a river, and…

A wastewater treatment plant discharges water into a river, and…

A wastewater treatment plant discharges water into a river, and each flow has the followingcharacteristics

:Parameter Wastewater RiverFlow (m3/s) 0.3 0.9Ultimate BOD (mg/L) 80.0 0DOinit (mg/L) – 6.0kd (day-1) – 0.2kr (day-1) – 0.37Speed (m/s) – 0.065DOsat (mg/L) 8.0 8.0a. Graph DO (in mg/L) as a function of distance in miles. Print out the graph and attach it to yourhomework (with the proper information in the heading (name, course, etc.)).

(Hint: you must account for dilutionwhen considering your ultimate BOD).b. Using your graph, find minimum downstream DO value that would be expected. (Answer = 2.2 mg/L)c. How far downstream (in km) would the minimum DO value occur?