5(55.3).K1Brine Pond77565(47.1)3(39.1)3014(50.0)Scale: 1-in 50-ft6Depth to water(54.2) (Depth to Aquifer bottom)15(49.0)BreweryK2Figure 2. Flow lines and conductivity boundaries for the contaminated site.K3 An oil company has drilled a hydraulic fracturing well near your microbrewery in Anytown,U.S.A. It stores the wastewater in a holding pond on site until proper disposal techniques can beimplemented. On October 10 at 1200 hours, the company notified the town that they havedetected a leak in the holding pond and the brine water may have entered the water tableaquifer.Meanwhile, the Anytown Beer Brewery is happily making "Anytime Bitter IPA", known by itsslogan "Anytime you feel bitter, have an Anytime Bitter IPA". The source of water for theirproduct is a production well that taps the water table aquifer at a rate of 65 gpm. The monthlywater quality testing is due to occur on October 16 at 1600 hours.Complete the flow net using the angular relationships illustrated by the tangent law for refractedgroundwater.

Assessing the SituationHydraulic fracturing, or fracking, is a process of injecting high-pressure…

Answered: 5 (55.3). K1 Brine Pond 77 56 5 (47.1)…

Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

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Assume that all solutions are prepared at 25 degrees celsius and the solutes arr completely dissolved. In the lead content analysis of a wastewater sample, 75.00 mL of the original sample was taken and diluted with 125.00 mL deionized water. The diluted sample was found to have a lead content of 19.2 ppb. What is the lead content (in pbb) of the original wastewater sample?
After conventional filtration, the filtered water with turbidity less than 0.5 NTU, pH =7 and T=5 C on a day when the peak hourly flow is 4.0 mgd (million gallon per day). After filtration, the water is chlorinated in a contact with hydraulic characteristics shown in Figure 11.20 b. What is the applied chlorine dose if free chlorine is used for disinfection?
Dechlorination contact tank (Wastewater Treatment) An activated sludge plant has a design flow (average daily flow) of 11 MGD. Determine dimensions of dechlorination tank. The design parameters: use 1 tank. detention time = 30 sec, depth = 10 ft, rectangular tank: L = 4 W. use maximum hourly flow (3 * Average design flow)
For an activated sludge basin with a flow rate of 500 L/s if the influent BOD5 = 100 mg/L, the MLVSS = 3000 mg/L and the volume of the aeration basin = 766100 gallons Find the F/M ratio If the WAS X= 10000 mg/L, find the WAS flowrate (m3/d)
A wastewater with a BOD of 25mg/L is discharged through an outfall to a freshwater stream of mean velocity 0.1m/s. The DO downstream of the outfall is 8.5mg/L. Assume the deoxygenation rate is 0.25/d, the reaeration rate is 0.4 /d and the temperature of 20 degree C (DOs = 9.09mg/L). Compute for the ff: a) Critical distance b) minimum DO c) Oxygen deficit d) Critical time
Sketch a typical treatment process scheme for the treatment of raw water containing a turbidity of 19 NTU, Mn concentration of 0.07 mg/L, Fe concentration of 0.3 mg/L, TOC of 2 mg/L, coliform (#/mL) 800 and color of 18 CU.
3. A 100 mL of wastewater sample was drying on a 0.5 g empty dish weight at 104 °C to weight 0.5625 g. Another 100 mL of the same wastewater was first filtered and the filtrate was dried on a 0.5 g dish at 104 °C to weight 0.5325 g. Determine in mg/L the:a) TSb) TSSc) TDSd) VSS assuming it represents 70% of TSS
A drinking water treatment plant with conventional treatment uses on disinfection segment consisting of a rectangular basin, with a theoretical detention of 270 min with a baffling factor of 0.5. The average free chlorine residual recorded at the disinfection segment monitoring location in 1.6 mg/L. The lowest free chlorine residual recorded was 1.2 mg/L during peak flow. The water temperature is 5C and pH is 7.5 a) Determine the inactivation ratio if 0.5-log inactivation of Giardia lamblia cysts is required b) Under these design conditions, have Giardia lamblia cysts been adequently inactivated? c) Will the plant achieve adequete Giardia lamblia inactivation if 0.5-log inactivation is required but the water temperature is raised to 10C? d) Will the plant achieve adequete Giardia lamblia inactivation if 3-log inactivation is required and the water temperature remain at 5C? e) Will the plant achieve adequete Giardia lamblia inactivation if 3-log inactivation is required and the water…
A system is designed to treat contaminant X with two PFRs in series. The concentration of contaminant X entering the first PFR is 120 mg/L and the inflow is 420 L/s. The first PFR is 5000 m³ in size, and the contaminant reacts via first order kinetics with a k value of 0.50 (1/hr). The second tank is being built so that the treatment facility can meet the permit level for contaminant X of 9.4 mg/L. What size do they need to make the second tank in m³?
A small town has been directed to upgrade its primary wastewater treatment plant to a secondary plant that can meet an effluent standard of 25.0 mg/L BOD5 and 30.0 mg/L suspended solids. They have selected a completely mixed activated sludge system. The following data are available from the existing primary plant. Existing plant effluent characteristics: Flow = 0.2000 m3 /s soluble BOD5 = 80 mg/L Assume that the BOD5 of the suspended solids may be estimated as equal to 50% of the suspended solids concentration, the microorganism concentration in the aeration tank (MLVSS) is 2000 mg/L, and the net activated sludge produced is 400.0 kg/d; also assume the following values for the growth constants: bacterial decay rate = 0.10 day-1 , yield coefficient = 0.60 mgVSS ∙ mg-1 BOD5 removed, maximum specific growth rate constant = 2.50 day-1 , and half saturation constant = 100 mg/L. (1) Estimate the volume of the aeration tank; (2) Compute the F/M ratio; (3) If the BOD5 is 60% of the ultimate…
How many gallons of 12-percent sodium hypochlorite solution are needed to disinfect a reservoir 20 feet in diameter and 6 feet deep? An initial chlorine dose of 80 milligrams per liter (mg/L) is expected to maintain a chlorine residual of over 50 mg during the 24-hour disinfection period.
As an operator of a wastewater treatment facility, you have learned that your plant runs well at an SRT (based on MLVSS (X) in the aeration basin) of 12 days. If today’s MLVSS (X) concentration is 2,700 mg/L and the RAS (Xr) concentration is 5,500 mg/L, how many L of sludge should you waste from the secondary clarifier today? Other design conditions: Average influent flow = 12,000 m3/d Influent soluble BOD = 150 mg/L Required effluent TSS = 30 mg/L Aeration tank Volume = 1,000 m3

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