1. For filtration are used identical 4 filter boxes with total surface area of 800m². When hydraulic loading is allowed

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1 For Filtration Are Used Identical 4 Filter Boxes With Total Surface Area Of 800m When Hydraulic Loading Is Allowed 1 (97.92 KiB) Viewed 27 times

1. For filtration are used identical 4 filter boxes with total surface area of 800m². When hydraulic loading is allowed to be 110 m'/d-m', how big flowrate, Q, can be handled (m/s) by those filtration units. 2. How many filter boxes are required to handle 0.5 m/s of flowrate and hydraulic loading rate of 300 m/d-m'. Assume the surface area of each box is 120 m² 3. Water from softening is directed to sedimentation. Find the surface are of the single sedimentation basin, knowing the following: -Number of sedimentation basins: 4 Flowrate (Q) is 0.1 m/s; -Overflow rate 12 m/d-m². 4. Find (a) surface overflow rate; and (b) horizontal flow-through velocity for the following conditions: -Sedimentation has ratio length (L) to width (W) of 4:1. -Depth of water in tank is 3.5 m -Average flow, Q = 900 m'/d. -Detention time is 2.4 hrs, and -The flow is distributed uniformly across the cross-sectional area of the tank 5. Determine the total surface area (m²) of 4 sedimentation tanks, receiving heavy flocs from coagulation with iron (overflow rate of 40 m/d-m.). Total flowrate is 0.05 m³/s 6. What is an overflow rate (OR) in each tank (m/d-m²), when: a. Two sedimentation tanks are operating parallel. b. The combined flow to sedimentation basins is 0.12 m/s. c. The depth of the tank (water only) is 2m, and d. detention time is 4.0 hours.