Homework Answers
![V = 0.65 misec = 56.16 km/day De = kot [lokot loket] + Do loket KR-ko DOatany distance - Doset - De time- Distancy - 2 m = 0.](http://img.homeworklib.com/questions/2e78cd90-d424-11ea-93c0-398c7762568c.png?x-oss-process=image/resize,w_560)
i don't complete full spreadsheet because i
dont feel data is feasible you should have provided the saturation
value os stream disolved oxygen
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6-3 (1 point) The you have been asked to determine whether the discharge of a town's...
The Audhumla town council has asked that you determine whether the discharge of the town's wastewater...
The Audhumla town council has asked that you determine whether the discharge of the town's wastewater into the Einherjar River will reduce the DO below the state standard of 5,00 mg.L-1 at Gotterdämmerung, 5.79 km downstream or at any other point downstream. The pertinent data are as follows: Parameter Wastewater Einherjar River Flow (in m3 5-1) 0.280 0.877 for Ult-BOD at 15°C (mg L-1) 6.44 7.00 DO (in mg L-1) 1.00 6.00 kd at 28°C (in day-1) N/A 0.199 kr...
The Big Bear town council has asked that you determine whether the discharge of the town's wastewater into the Salmon River will reduce the DO below the state standard of 3.00 mg/L. The DO at sat...
The Big Bear town council has asked that you determine whether the discharge of the town's wastewater into the Salmon River will reduce the DO below the state standard of 3.00 mg/L. The DO at saturation at 28 C is 7.81 mg/L. The other pertinent data follow. (16 pts) 2. Salmon River Big Bear Wastewater Parameter0,580 Flow, m/sec BODs, mg/L Ultimate BOD, mg/L DO, mg/L ka, d k d Speed, m/sec Temp, C 0.580 9 mg/L 7.00 6.70 0.322 0.852...
is proposed to discharge a wastewater to a small river (wastewater and river characteristics given below)....
is proposed to discharge a wastewater to a small river (wastewater and river characteristics given below). The temperature of the river and wastewater i and velocity downstream of the discharge is 1.5 m/s. Saturation DO concentr:a 25°C is 8.2 mg/L 2. It s 25°C, Wastewater 1.5 w 31.5 6.1 River Parameter Flow (m/s) BODu( mg/L) DO (mg/L) negligible 8.0 kra20c 0.41 day kd@20c = 0.26 day. Determine: a. Ultimate BOD just downstream of the point of discharge (8 pts) b....
Q4) A town of discharges 15,000 m'd of treated wastewater into a Creck. The treated wastewater ha...
Q4) A town of discharges 15,000 m'd of treated wastewater into a Creck. The treated wastewater has The treated wastewater has a BOD, of 10 mg/L and a ko of 0.12 d'. The creek has a flow rate of 0.6 m's and an ultimate BOD of 6 mg/L. The DO of the creek is 7 mg/L and the DO of the waste water is 1 mg/L. The creek has the temperature of 7 °C while the wastewater has a temperature...
Please answer #5 4. What is the theoretical oxygen demand for a wastewater flow of 25...
Please answer #5
4. What is the theoretical oxygen demand for a wastewater flow of 25 MGD (million gallons per day) containing 100 mg/L ethanol (C2H5OH)? 5. If this wastewater was discharged into a stream flowing at 10 m/s with an ultimate BOD of 5 mg/L, dissolved oxygen (DO) of 5mg/L, and deoxygenation rate coefficient ka of 0.2/day: (a) Find ultimate BOD of mixture just downstream of wastewater discharge. State all assumptions used. (b) In your opinion, is the wastewater...
The East Hartford WWTP discharges 150 MGD of treated wastewater into the CT river. The treated was tested in the lab and found to have aBOD5 of 17.5 mg/L and an ultimate BOD (Lo) of 92 mg/L at 20oC....
The East Hartford WWTP discharges 150 MGD of treated wastewater into the CT river. The treated was tested in the lab and found to have aBOD5 of 17.5 mg/L and an ultimate BOD (Lo) of 92 mg/L at 20oC. Find the reaction rate K, for the treated wastewater. The CT river has a flow of 250 m2/s and an ultimate BOD (Lo) of 6 mg/L. the DO of the river is 4.5 mg/L and the DO of the wastewater is0.2...
A wastewater discharge has a flow equal to upstream flow of the river it is being...
A wastewater discharge has a flow equal to upstream flow of the river it is being discharged into. The river upstream has a DO of 7 mg/L, and negligible BOD. The wastewater discharge has an ultimate BOD of 50 mg/L, and negligible DO. It is determined that it would cost an equal amount of money to reduce the BOD to 25 mg/L or to increase the DO to 8 mg/L. Which alternative, considering DO sag, would you judge to be...
7. You work for the Ministry of Environment to evaluate the maximum ultimate BOD concentration in...
7. You work for the Ministry of Environment to evaluate the maximum ultimate BOD concentration in the effluent of a new wastewater treatment plant such that the oxygen deficit never exceeds 1.5 mg/L in the receiving river. During dry weather (i.e., lowest river flow), the wastewater will be diluted 10 times in the river water and the river water contains 3.5 mg/L of ultimate BOD. Also during dry weather, you know that the river velocity after the wastewater discharge would...
Determine the minimum dissolved oxygen (DO) concentration in a river downstream from a wastewater treatment plant (W...
Determine the minimum dissolved oxygen (DO) concentration in a river downstream from a wastewater treatment plant (WWTP) discharging at a flow rate of 5.00 million gallons per day (MGD). The WWTP achieves secondary treatment standards (BOD5 = 30 mg/L). The wastewater temperature is 25.0 °C and contains 4.0 mg/L of DO. The characteristics of the river upstream from the point of discharge are Q=20.0 cubic feet per second (cfs), T = 20.0°C, BODu = 3.0 mg/L. and DO = 7.0...
e3 (20) LEMery has asked you to assist them in preparations to file for a NPDES germit toad discharge wastewater into t Rive r is 5 mg/L of DO. They have asked you the following questions: What i...
e3 (20) LEMery has asked you to assist them in preparations to file for a NPDES germit toad discharge wastewater into t Rive r is 5 mg/L of DO. They have asked you the following questions: What is the cr where (at what distance) he Zmellsbad River. The DNR water quality criterion for the downstream does it occur? Is ther d oxygen? They have provided you with the following data. They pertaitn a problem with the cinicau and following data....
The Audhumla town council has asked that you determine whether the discharge of the town's wastewater into the Einherjar River will reduce the DO below the state standard of 5,00 mg.L-1 at Gotterdämmerung, 5.79 km downstream or at any other point downstream. The pertinent data are as follows: Parameter Wastewater Einherjar River Flow (in m3 5-1) 0.280 0.877 for Ult-BOD at 15°C (mg L-1) 6.44 7.00 DO (in mg L-1) 1.00 6.00 kd at 28°C (in day-1) N/A 0.199 kr...
The Big Bear town council has asked that you determine whether the discharge of the town's wastewater into the Salmon River will reduce the DO below the state standard of 3.00 mg/L. The DO at saturation at 28 C is 7.81 mg/L. The other pertinent data follow. (16 pts) 2. Salmon River Big Bear Wastewater Parameter0,580 Flow, m/sec BODs, mg/L Ultimate BOD, mg/L DO, mg/L ka, d k d Speed, m/sec Temp, C 0.580 9 mg/L 7.00 6.70 0.322 0.852...
is proposed to discharge a wastewater to a small river (wastewater and river characteristics given below). The temperature of the river and wastewater i and velocity downstream of the discharge is 1.5 m/s. Saturation DO concentr:a 25°C is 8.2 mg/L 2. It s 25°C, Wastewater 1.5 w 31.5 6.1 River Parameter Flow (m/s) BODu( mg/L) DO (mg/L) negligible 8.0 kra20c 0.41 day kd@20c = 0.26 day. Determine: a. Ultimate BOD just downstream of the point of discharge (8 pts) b....
Q4) A town of discharges 15,000 m'd of treated wastewater into a Creck. The treated wastewater has The treated wastewater has a BOD, of 10 mg/L and a ko of 0.12 d'. The creek has a flow rate of 0.6 m's and an ultimate BOD of 6 mg/L. The DO of the creek is 7 mg/L and the DO of the waste water is 1 mg/L. The creek has the temperature of 7 °C while the wastewater has a temperature...
Please answer #5
4. What is the theoretical oxygen demand for a wastewater flow of 25 MGD (million gallons per day) containing 100 mg/L ethanol (C2H5OH)? 5. If this wastewater was discharged into a stream flowing at 10 m/s with an ultimate BOD of 5 mg/L, dissolved oxygen (DO) of 5mg/L, and deoxygenation rate coefficient ka of 0.2/day: (a) Find ultimate BOD of mixture just downstream of wastewater discharge. State all assumptions used. (b) In your opinion, is the wastewater...
A wastewater discharge has a flow equal to upstream flow of the river it is being discharged into. The river upstream has a DO of 7 mg/L, and negligible BOD. The wastewater discharge has an ultimate BOD of 50 mg/L, and negligible DO. It is determined that it would cost an equal amount of money to reduce the BOD to 25 mg/L or to increase the DO to 8 mg/L. Which alternative, considering DO sag, would you judge to be...
7. You work for the Ministry of Environment to evaluate the maximum ultimate BOD concentration in the effluent of a new wastewater treatment plant such that the oxygen deficit never exceeds 1.5 mg/L in the receiving river. During dry weather (i.e., lowest river flow), the wastewater will be diluted 10 times in the river water and the river water contains 3.5 mg/L of ultimate BOD. Also during dry weather, you know that the river velocity after the wastewater discharge would...
Determine the minimum dissolved oxygen (DO) concentration in a river downstream from a wastewater treatment plant (WWTP) discharging at a flow rate of 5.00 million gallons per day (MGD). The WWTP achieves secondary treatment standards (BOD5 = 30 mg/L). The wastewater temperature is 25.0 °C and contains 4.0 mg/L of DO. The characteristics of the river upstream from the point of discharge are Q=20.0 cubic feet per second (cfs), T = 20.0°C, BODu = 3.0 mg/L. and DO = 7.0...
e3 (20) LEMery has asked you to assist them in preparations to file for a NPDES germit toad discharge wastewater into t Rive r is 5 mg/L of DO. They have asked you the following questions: What is the cr where (at what distance) he Zmellsbad River. The DNR water quality criterion for the downstream does it occur? Is ther d oxygen? They have provided you with the following data. They pertaitn a problem with the cinicau and following data....
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