Design a rectangular sedimentation tank treating 2.5×106 litre/day. The size of tank is  17.5 × 5.5 × 3.5 m. if 80 ppm suspended solids are present in the water, assuming 75% removal in the basin and the average specific gravity as 2.0, determine:  i) Average flow of water through tank ii) Detention time iii) Deposition of the solids in the tank iv) Over flow rate

Q: Determine the diameter of a settling tank required to remove particles from a depth of 2.4 m when…

A: Given: Depth, H = 2.4 m Overflow rate = 15 m/day Discharge, Q = 900 m3/day

Q: Water inflow to the sedimentation tank is 0.1X m³/sec, water retention time is 1X0 min and depth of…

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Q: A settling basin is designed based on a surface overflow rate that can achieve a removal efficiency…

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Q: 2. For discrete settling, the experimental data of a wastewater settlement are as follows: the…

A: Given data- Discrete settling-Initial concentration Co=400 mg/LWater depth H=1.2 mTo Find-The…

Q: .A domestic wastewater contains 350 mg/L of suspended solids. Primary sedimentation facilities…

A: According to given data .A domestic wastewater contains 350 mg/L of suspended solids.Primary…

Q: A sewage sample is tested for BOD5 at 20°C in laboratory and the data obtained are as follows:…

A:

Q: the required backwash velocity is

A: Given data: Determine the required backwash velocity? Where, data as follows:  diameter,d= 0.4 mm…

Q: A water filtration unit is made of uniform-size sand particles of 0.4 mm diameter with shape factor…

A:

Q: settling basin is designed based on a surface overflow rate that can achieve a removal efficiency of…

A: d1=0.05mm d2=0.1mm

Q: A water filtration unit is made of uniform-size sand particles of 0.4 mm diameter with a shape…

A:

Q: A rapid sand filter is designed to treat (18000 m³/day) of rate of (1.8 l/m².sec). The filter…

A: Give Data A rapid sand filter is designed to treat (18000 m³/day) of rate of (1.8 l/m².sec). The…

Q: Q/ A water treatment plant has a flow rate of 0.6 m’/s, of discrete particles with specific…

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Q: 4. A water treatment plant has a sedimentation basin with a width of 10.0 m a depth of 3.0 m, a…

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Q: Estimate the maximum flow of leachate from the bottom of a landfill lined with a 0.2 m thick clay…

A: To estimate the maximum flow of leachate from the bottom of a landfill, we can use Darcy's law.…

Q: Settling test on a sample drawn from an aeration tank liquor of ASP (MLSS = 3600 mg/l) was carried…

A:

Q: A soil has the following soil properties for use in the Green-Ampt equation: K = 1.5 in/hr = -9.8 in…

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Q: 3. The concentration of total solids in water can be considered as a conservative chemical property.…

A: Given, Q1 = 10 MGD  Q2 = 4 MGD Q3 = 0.5 MGD

Q: A 0.80 m deep bed of sand filter (length 4m and width 3m) is made of uniform particles (diameter =…

A: Given- Length L=4 mWidth B=3 mDischarge Q=3.6 m3/minDepth of bed D=0.8 mBed porosity n=0.4 It is…

Q: Q3 (a) Describe briefly the main objective water quality and state the main parameters involved in…

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Q: Using the following primary settling tank data, determine the daily sludge production. Operating…

A: As math type is not available, Providing Hand written solution to you,

Q: 6. Following is the result of 8 trials of a standard proctor test. Determine the optimum water…

A: The dry density of the given samples of soil are calculated below:

Q: A water filtration unit is made of uniform-size sand particles of 0.4 mm diameter with a shape…

A:

Q: Question A water filtration unit is made of uniform-size sand particles of 0.4 mm diameter with a…

A: Given- Terminal settling velocity Vs=4.5 cm/s, Porosity n=0.65, G=2.55 It is needed to find the back…

Q: Two sedimentation tanks operate in parallel. The combined flow of the tanks is 0.2 m³/s. The depth…

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Q: Example 5.2: - Formation water sample with solids concentrations of calcium (Ca) = 460 ppm, sulfate…

A: The values and figure given in the question are as follows: The concentration of Ca=460 ppm The…

Q: 0.06mm and specific gravity of 1.08.given u=1.08x10 (N.sec/m2). percentage of particles will be…

A: solution Given discharge Q=157×103m3dayover flow rate v0=35m3m2.dayso the surface area will be…

Q: A detention pond is designed to achieve 100% removal of 0.1 mm fine sand particles at the design…

A: Since a detention pond is designed to achieve 100% removal of 0.1 mm fine sand particles at the…

Q: the required backwash velocity is

A: Given, A water filtration unit is made of uniform-size sand particles of, Diameter,d= 0.4 mmShape…

Q: The following data are available for a certain water treatment plant: t=30 min, t=1min, t-120 min,…

A:

Q: 0.02 mm silt particles are completely destabilized by adding alum and are passes through completely…

A: size of particle d= 0.02 mm  lenght= width =depth = 3.0 m Discharge Q= 0.09 m3/s specific gravity of…

Q: A soil has the following soil properties for use in the Green-Ampt equation: n = 0.464 K = 1.5 in/hr…

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Q: Find the depth of a rectangular sedimentation tank for Q-157x10 m'/d and surface overflow rate-35…

A: given data: L=50m Detention time (t)=3.5 hr specific gravity (G)=1.08 diameter(d)=0.06 mm

Q: Alum at a rate of 20 mg/l is added to an incoming discharge of 0.5 m3/s which carries 250 mg/1 of…

A: 1. Alum added at a rate of 20 mg/l.2. Incoming discharge: 0.5 m³/s3. Incoming discharge carries 250…

Q: Determine overall removal obtained for a sedimentation tank having following data: Surface overall…

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Q: The design capacity of the waterworks is 0.30 m³/s. Design the number and size of filters and…

A: As per our guidelines we can answer only 1 question so solution for Q1 is as follows

Q: Sedimentation is the process of allowing particles in suspension in water to settle out of the…

A: Given: Discharge for four clarifiersQ=1.5 MGD Q=1.5×3785.4 m3day       1 MGD=3785.4 m3day Q=5678.10…

Q: The following data were obtained in a laboratory study conducted for the determination of the…

A: Step 1

Q: A complete mixed activated sludge process (CMAS) is to be designed to treat 5MGD of primary effluent…

A: To determine the minimum MCRT, we can use the following equation: MCRTmin = 1 / kd MCRTmin = 1 /…

Q: Mass of container, Mc = 35 g. Mass of container + original sample, Mc+w = 520 g. Mass of container +…

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Q: Determine the Aeration Basin Dimensions for a town of 200,000 population. Mixed Liquor Suspended…

A: Following is the given information: Population = 200,000. Mixed Liquor Suspended Solids  =  3500…

Q: After initial mixing of a wastewater discharge in a 5-m-deep river, the DO concentration in the…

A: Please refer the attached image for complete solution. THANK YOU !

Storm Sewers and Detention

The storm drains system transports rainwater or stormwater and other runoff from roads, parking lots, and roof downpipes directly to nearby creeks, rivers, or the sea without any treatment.