Solved Q. A CSTR reactor is used for treatment of 50 m3 /d - Chegg
A CSTR reactor is used for treatment of 50 m3 /d of wastewater (BODu =10,000 mg/L) by fermentation to methane. Assume Y= 0.04 mg VSSa/mg BODu, q_hat =8/d, K = 200 mg/L, …
Solved A city of 200,000 people disposes of 1.05m3/s of - Chegg
Question: A city of 200,000 people disposes of 1.05m3/s of treated sewage that still has a BODu of 28.0 mg/L and 1.8 mg/L of DO into a river. Upstream from the outfall, the river has a …
Solved A waste stream with a flow of 2 m3/s containing a - Chegg
(Hint, because k values are different, convert all BOD5 to BODu for calculating BOD values after mixing and decay, and convert BODu back to BOD5 for final answer) (8 pts) a. What are the …
Solved 5. A wastewater discharge permit typically limits - Chegg
Engineering Civil Engineering Civil Engineering questions and answers 5. A wastewater discharge permit typically limits both the pollutant concentration (mass/volume) and mass loading …
Solved A city of 200,000 people disposes of 1.05 m3/s of - Chegg
A city of 200,000 people disposes of 1.05 m3/s of treated sewage that still has a BODu of 28.0mg/L and 1.8mg/L of DO into a river. Upstream from the outfall, the river has a florate of …
Solved Question 41 pts24BOD5 measurements were made on …
Science Biology Biology questions and answers Question 41 pts24BOD5 measurements were made on a simple sugar solution and a sample of municipal wastewater. If the BOD5 …
Solved a. Here shown below are DO measurements for a primary
a. Here shown below are DO measurements for a primary effluent sample. (1) Pick the best dilution and calculate the BOD7. (2) Using your calculated BOD7, calculate the BODu and …
Solved Assuming the degradation of BOD follows first-order - Chegg
Assuming the degradation of BOD follows first-order kinetics. (10 points) If given an initial BOD concentration (ultimate BOD, BODu) of 200 mg/L, what is the remaining BOD after five days …
Solved 3. (25 points) Assuming the degradation of BOD - Chegg
Engineering Mechanical Engineering Mechanical Engineering questions and answers 3. (25 points) Assuming the degradation of BOD follows first-order kinetics. a. (10 points) If given an …
Solved BOD5 = BOD (1-e *t) In above equation k is base e BOD5
To determine the ultimate Biochemical Oxygen Demand (BODu), start with the formula relating BODt to BODu, B O D t = B O D u [1 e k t]. Given B O D 7 = 2,080 × 1.094 and k = 0.15 day 1, …