The concentration of VSS in the returned flow rate to the aeration tank = 4000 mg/L while the MLVSS 2500 mg/L, estimate the concentration of total SS in the returned flow rate the aeration tank if the MLSS = 3500 mg/L. Select one: a. 5600 mg/L O b. 7300 mg/L Oc. 5200 mg/L O d. 6200 mg/L

The concentration of VSS in the returned flow rate to the aeration tank = 4000 mg/L while the MLVSS 2500 mg/L, estimate the concentration of total SS in the returned flow rate the aeration tank if the MLSS = 3500 mg/L. Select one: a. 5600 mg/L O b. 7300 mg/L Oc. 5200 mg/L O d. 6200 mg/L

Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

See similar textbooks

Related questions

Q: An activated sludge system is being used to treat 2000 m3/d of wastewater containing 250 mg/L BOD5.…

A: Given: Sewage flow = 2000 m3/day BOD5 = 250 mg/l; Ks = 40 mg Kd = 0.01d-1; MLVSS = 2000mg/l μmax…

Q: ENVIRONMENTAL ENGINEERING-WATER POLLUTION: Incoming wastewater, with BOD5 equal to 200mg/L, is…

A: We have been given the following informationBOD5 of incoming wastewater = 200mg/L.Initial DO is…

Q: 7. The emissions from a stack were measured by collecting a sample on a filter. The sampler was…

A: Given- Inlet area=12.5cm2Inlet Velocity=20m/sStack Gas temp =340KPressure=1.018 atmVolumetric flow…

Q: A sewage treatment plant discharges 4 ML/d of effluent with 20.17 mg/L BOD5 into a stream. The…

Q: Design an aeration tank in a sewage treatment plant with following information and report the…

A: The question is based on the aeration tank. The value of influent flow, BOD, and mixed liquor…

Q: CIVIL ENGINEERING (ii) A treatment plant disposes 50 MLD of treated effluent into a river. The river…

A: Given- Discharge Qw=50 MLDRiver discharge QR=20 m3/sRiver DO DOR=8 mg/LEffluent BOD yw=50 mg/LRiver…

Q: EA two-stage distiller system is used to remove TDS from sea water as shown in the figure. The…

A: Given:- two stage distiller To find:- concentration

Q: A waste water treatment plant produces 950 kg of dry solids per day with 70% of solids being…

A: Dry solid produced by waste water treatment plant=950kg/day Content of volatile solids=70% Specific…

Q: The hardness of a ground water sample was found to be 420 mg/L as Cac03. A softener containing ion…

Q: You have been asked to provide a design for a rapid mix tank at a water treatment plant which has an…

A: Introduction: Water is the most important molecule for life on Earth, and access to safe drinking…

Q: The data are given as follows: Weight of evaporating dish: 53.5430 g Weight of evaporating dish and…

Q: Q4: Wastewater mixed with a river at a point resulting in a mixture whose characteristics are…

Q: S 0 Water Gs=1 1. In a test to determine the discharge coefficient of a 70 by 35 mm Venturi meter,…

Q: Example Design a coagulation tank if Q=3000 m'/day, G=700s", D.T=60s, viscosity= 1.03*10 N.s/m²

A: Given, Q = 3000 m³/day = 3000/(24*3600)= 0.0347 m³/s G = 700 s-1 Detention time = 60 s Viscosity =…

Q: 01: A sample of industrial waste water have BOD: (1254 6mg/L) and biological oxidation (3.4 day) at…

A: biological oxygen demand - the amount of oxygen required for the decomposition of bio degradable…

Q: Consider the problem of draining a hemispherical tank of radius H* feet that is full of water and…

A: Solution Given data Circular drain hole radius= 3 inches at the bottom dVdt=-kA2gh(t)

Q: In a wastewater treatment plant, the supply of oxygen supply is 073 kgO2/h is necessary…

A: Given data: oxygen supply under operating conditions, Ns = 73 kgO2 /kwh = 73 MJ Liquid temperature:…

Q: 'O: Find out the volume of an anaerobic digestion tank for 5 MLD of domestic wastewater treatment…

Q: Exercise-2 A surface water treatment plant is to process 30000 m'/d for a large city. A cubic rapid…

A: Given: Water Demand= 30000 m3/day Dose of Alum= 35 mg/L Detention time= 2 minutes Viscosity =…

Q: (d) Biomass and substrate mass balance equations can be merged giving QwXR = () Y/Qo` X VX (SS) - ka…

A: Given:- SRT=20days HRT=20H So=350mg/l S=100mg/l Y=0.15 Kd=0.22per day Calculate :- 1) prove Given…

Q: 4. Tank A initially holds 100 gallons of brine that contains 100 pounds of salt, and tank B holds 10…

A: Given, Initial salt content in tank A = 100 lb Volume of tank A = 100 gallon Volume of tank B = 10…

Q: A factory is discharging its wastewater into a slowly moving stream that has a mean velocity of 3…

A: Dissolved oxygen sag curve

Q: The hardness of a ground water sample was found to be 420 mg/L as CaCO3. A softener containing ion…

Q: 6. A biodegradable fuel having a specific gravity of 0.95 and a viscosity of 0.04 grams per cen-…

A: Solution (6) Reynolds number of the biodegradable fuel is calculated by. Re =ρvDμv =Re ×μρD Where, ρ…

Q: A wastewater that has TOC concentration of 200 mg/L is to be treated by a fixed-bed granular carbon…

A: concentration=200mg/l flow=227m3/d Ceff=20mg/TOC

Q: passing the meter in 5 min. was 340 kg. A mercury differential gage connected to the inlet and…

Q: The flow measured with a d/p cell is 16,000 scfh. If the temperature correction factor is 1.4 and…

Q: Given concepts of water quality: Some of the more important general water quality parameters can be…

A: Some of the more important general water quality parameters can be listed as a) Turbidity b)…

Q: bread and breakfast facility is considering an ion exchange resī ndwater. The flow required is 1000…

A: Efficiency of the reaction :E=325-50325=85.62%so,

Q: Trickling filter is a fixed-bed biological reactor that operates under aerobic conditions. It is…

Q: A 200-gal tank is half full of distilled water. At time t=0, a solution containing 0.5 Ib/gal of…

A: Given: Volume of Tank = 200 gal At t=0, 0.5lb/gal of concentrate enters tank at rate 5gal/min Rate…

Q: Liquid alum is used as a coagulant and specific gravity of alum is 1.33. One gallon of alum weights…

Q: You have been asked to provide a design for a rapid mix tank at a water treatment plant which has an…

Q: Q.107 An activated sludge system is operating under equilibrium conditions with following…

Q: An aeration tank with a volume of 0.42 MG receives a primary effluent flowrate of 2.35 MGD. The…

A: Given data Volume of tank = 0.42 MG Discharge received in primary effluent = 2.35 MGD Suspended…

Q: Prepare a neat sketch of the dissolved oxygen concentration profile downstream of a wastewater…

A: Oxygen sag curve

Q: Please answer in 5 mins a tank is initially filled of capacity of 25 L with brine having a salt…

Q: What is the pH of a solution made by dissolving 3.71 grams of calcium fluoride in enough water to…

A: Given Data: The mass of the calcium fluoride is M=3.71 g. The volume of resulting solution is V=450…

Q: in) in the aeration basin. You can assume 0=1.024. is 24%, what would be the mass of air (kg)…

A: Data we have Tank volume v = (7.5*2.8*4) m Inlet waste water flow (Q0 )=6500m³/day BOD of primary…

Q: the overall mass transfer coefficient (1/sec) for an air stripping column removing chloroform…

A: Given:- water flow = 170 gal/mincolumn diameter = 3 ftcolumn packing iincluding rashig rings =…

Q: B) Chlorine usage in the treatment of 30 MLD of water is 10 kg/day. The residual after 10 minutes…

A: To find out the dosage and chloride demand of water.

Q: (i) The average operating data for conventional activated sludge process treatment is as follows:…

A: Environmental engineering is the discipline of engineering meant to protect humans from the negative…

Q: nsider a soap bubble of diameter 3.0 mm. If the surface tension of the soap solution is 0.072 N/m…

A: To find the internal gage pressure (Pint.) -

Q: Problem 2: Engineers sometimes use pipes as reactors in treatment plants. Suppose that the plant…

A: a.} Consider the continuity equation Qin=Qout=Q b.} Mass balance equation…

Q: 2. A wastewater treatment plant disposes of its effluents into a stream at a point A.…

Q: Example A storm water drain with a flow of 40 L/s and chloride concentration of 1200 mg/L is…

A: Given that: Discharge through storm water drain, Qs=40 L/sConcentration of…

Q: Computation: Ratio Strength, PPM, mg% Show your complete solution. 1. If a city water supply has a…

A: Given data, Amount of nitrate ion present = 250 ppm

Question

Give me right solution with clear hand writing

The concentration of VSS in the returned
flow rate to the aeration tank = 4000 mg/L,
while the MLVSS = 2500 mg/L, estimate
the concentration of total SS in the
returned flow rate the aeration tank if the
MLSS = 3500 mg/L.
Select one:
a. 5600 mg/L
O b. 7300 mg/L
O c. 5200 mg/L
O d. 6200 mg/L

Expert Solution

This question has been solved!

Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.

SEE SOLUTION Check out a sample Q&A here

Step 1

VIEW

Step 2

VIEW

Step by step

Solved in 2 steps

SEE SOLUTION Check out a sample Q&A here

Knowledge Booster

Learn more about

Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, civil-engineering and related others by exploring similar questions and additional content below.

Similar questions

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 conventional activated-sludge system treats 11,000 m3/day of wastewaterin an aeration tank with a volume of 3400 m3. The BOD after primary clarification is 180mg/l. Given the operation conditions below, calculate the sludge residence timeMLVSS in the rector = 2,100 mg/lMLSS = (1.25)*MLVSSQw = 160 m3/daySVI = 125 mL/g (Ans. SRT = 7.0 days)
The intermittent sand filter needs to be drained and cleaned. If the treated wastewater volume in the filter is 18,000 gal. How many minutes is needed to empty the filter if the withdrawal rate is 500 gal/min?
Dear I need solution for this problem also The system of two basins shown in the picture, full flow stream 3785x1000 l/day in which the concentration of non-conservative pollutant is 20mg/l. The rate of decomposition of a non-conservative pollutant is 0.3/day. The volume of the first pool is 18925x1000 l and the second one is 11355x1000 l. Assuming complete mixing in each basin, determine the concentration of the non-conservative pollutant that leaves the individual basins. Please se attachemnt . Thank You very much
PLEASE PUT ALL THE DECIMAL PLACES. THANK YOU The average hourly water consumption per person is 2.5 Liters anf there are 264 people in the area. Determine the following. a. the minimum rate of flow in L/s in the spring b. Total Daily water demand in L/day c. The daily yield is sufficient to the water demand of the community if the rate of flow is 0.182 L/s d. the height of the cylinder in cm thatt the minimum discharge can fill within 300 secs. diameter of the cylinder is 10 cm.
Plz, solve what you have been asked in this problem by giving detail information. Environmental Engineering-2 Determine the Aeration Basin Dimensions for a town of 30,000 population. Mixed Liquor Suspended Solids is 3000 mg/L. The BOD Loading rate is 0.48 kg/ (?3 –day), Sludge Volume Index is 100 mL/g; Return sludge is 40%; the concentration of BOD is 0.091 Kg/(Capita –day). Primary sedimentation tank remove 40% of BOD.
Problem 5Suppose there is a river that has a flow rate of 3.00 m3/s with negligible concentration of sodium chloride and astream discharges into this river at a flow rate of 0.05 m3/s. The concentration of sodium chloride of the out flowafter mixing is to be 1.0 mg/L.1. What should be the inflow concentration of sodium chloride in the stream to maintain a steady statecondition? Consider a completely mixed system.2. Calculate the mass rate (kg/d) of the sodium chloride in the stream?
At the point of mixing of a river and a wastewater point discharge, DO is 5.5 mg/L and DOs is 10.1 mg/L. Upstream, the BODu of the river is 3.2 mg/L and its volumetric flow rate is 3.2 m3/s.a) Calculate the maximum allowable volumetric flow rate of the wastewater dischargeif the maximum allowable BODu at the mixing point is 20.0 mg/L. The BODu of the wastewater is 250.1 mg/L.b) For a water temperature of 15 ℃, calculate kd and kr. At 20 ℃, kd is 0.30 per day. The combined stream and wastewater velocity and depth are 2.0 m/s and is 4.0 m.c) Calculate the critical time in days and critical distance in km.d) Calculate the maximum deficit and minimum DO in mg/L
QUESTION: An aerated lagoon wastewater treatment is to be designed for a municipal wastewater. The design population is 5000 persons, and the aerated lagoon is to provide secondary treatment. Pertinent data are: flow = 380 L/cap-d, influent BOD5 = 255 mg/L; effluent BOD5 = 20 mg/L, K = 2.18 d-1 oxygen required 1.6 kg O2/kg BOD5 applied to the lagoons, and the primary clarifier removes 33 % of the influent BOD5. Calculate the total lagoon volume (m3)
Plz, solve this problem one by one and show all the steps. Environmental Engineering-2 An activated sludge process is to be designed to treat a sewage flow of 8640 m3/day with BOD of 200 mg/l from a primary clarifiers using F : M = 0.4 per day and MLSS of 3000 mg/l calculate volume of aeration tank if SVI is 100. How much sludge should be returned (Qr)?
4. Tank A initially holds 100 gallons of brine that contains 100 pounds of salt, and tank B holds 10 gallons of water. Two gallons of water enter A each minute, and the mixture, assumed uniform, flow from A into tank B at the same rate. If the resultin mixture, also kept uniform, runs out of B at the rat of 2 gallons per minute, how much salt is in tank B a the end of one hour.
For what velocity of flow of water in a new, clean 6-inch schedule 40 steel pipe would an energy loss of 20 feet of head occur over a length of 1,000 ft? Compute the volume flow rate at that velocity. Then refigure the velocity using the design value of Ch for steel pipe.