2. Please design a Type II settling tank that receives a 1000 m3/day of a waste stream, after flocculation, that displays the following settling behavior. The initial concentration for this test is 500 mg/L. Time (min) 5 10 20 30 40 50 60 75 1 meters 481 418 331 270 225 193 154 133 2 meters 490 456 425 361 325 279 240 198 3 meters 495 483 463 413 369 333 290 259 Concentrations are in mg/L If the required removal rate is 50%, how large should the tank be?

Structural Analysis
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ISBN:9781337630931
Author:KASSIMALI, Aslam.
Publisher:KASSIMALI, Aslam.
Chapter2: Loads On Structures
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2. Please design a Type II settling tank that receives a 1000 m3/day of a waste stream, after
flocculation, that displays the following settling behavior. The initial concentration for
this test is 500 mg/L.
Time (min)
5
10
20
30
40
50
60
75
1 meters
481
418
331
270
225
193
154
133
2 meters
490
456
425
361
325
279
240
198
3 meters
495
483
463
413
369
333
290
259
Concentrations are in mg/L
If the required removal rate is 50%, how large should the tank be?
Transcribed Image Text:2. Please design a Type II settling tank that receives a 1000 m3/day of a waste stream, after flocculation, that displays the following settling behavior. The initial concentration for this test is 500 mg/L. Time (min) 5 10 20 30 40 50 60 75 1 meters 481 418 331 270 225 193 154 133 2 meters 490 456 425 361 325 279 240 198 3 meters 495 483 463 413 369 333 290 259 Concentrations are in mg/L If the required removal rate is 50%, how large should the tank be?
Expert Solution
Step 1: Stating given and to determine data

G i v e n comma
Q equals 1000 space m cubed divided by d
I n i t i a l space c o n c e n t r a t i o n equals 500 space m g divided by L

Civil Engineering homework question answer, step 1, image 1

T o space d e t e r m i n e comma
L e n g t h space o f space tan k space I f space t h e space r e q u i r e d space r e m o v a l space r a t e space i s space 50 percent sign

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