EBK ENGINEERING FUNDAMENTALS: AN INTROD
5th Edition
ISBN: 8220100543401
Author: MOAVENI
Publisher: CENGAGE L
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Chapter 17.6, Problem 2BYG
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Q3
Design a secondary clarifier for an activated sludge process with a recycle
rate of 25 percent, a MLSS conc. 2500 mg/L, peak flow 9,000 m²/day,
depth of tank 3 m and solid loading rate = 4 kg/m²/hr
A- Design grit removal chamber for a W.W.P with hourly flow equal 5000
m'h
410 mark
05
An average operating data for conventional activated sludge treatment
plant is as follows:
(1) Wastewater flow, Q-50000m/d
(2) Volume of aeration tank, V-12000m
(3) Influent BOD, Y.- 300 mg/1
(4) Effluent BOD, YE - 25 mg/1
(5) Mixed liquor suspended solids (MLSS), X₁ = 2500mg/1
(6) Effluent suspended solids, Xg30mg/1
(7) Waste sludge suspended solids, X-9700mg/1
(8) Quantity of waste sludge, Q., -220m³/d
Based on the information above data, determine:
(a) Aeration period (hrs.)
(b) Food to microorganism ratio (F/M) (kg BOD per day/kg MLSS)
(c) Percentage efficiency of BOD removal
(d) Sludge age (days)
Chapter 17 Solutions
EBK ENGINEERING FUNDAMENTALS: AN INTROD
Ch. 17.1 - Give examples of properties that engineers...Ch. 17.1 - Prob. 2BYGCh. 17.1 - Prob. 3BYGCh. 17.1 - Prob. 4BYGCh. 17.1 - Prob. 5BYGCh. 17.1 - Prob. BYGVCh. 17.2 - Prob. 1BYGCh. 17.2 - Prob. 2BYGCh. 17.2 - Prob. 3BYGCh. 17.2 - In your own words, explain what is meant by the...
Ch. 17.2 - Prob. 5BYGCh. 17.2 - Prob. BYGVCh. 17.3 - What is a lightweight metal?Ch. 17.3 - Prob. 2BYGCh. 17.3 - Prob. 3BYGCh. 17.3 - Prob. 4BYGCh. 17.3 - Give examples of copper use.Ch. 17.3 - VocabularyState the meaning of the following...Ch. 17.4 - What are the main ingredients of concrete?Ch. 17.4 - Why is water sprayed on newly poured concrete for...Ch. 17.4 - Prob. 3BYGCh. 17.4 - Prob. BYGVCh. 17.5 - Prob. 1BYGCh. 17.5 - Prob. 2BYGCh. 17.5 - Prob. 3BYGCh. 17.5 - Prob. 4BYGCh. 17.5 - Prob. 5BYGCh. 17.5 - Prob. 6BYGCh. 17.5 - Prob. BYGVCh. 17.6 - Prob. 1BYGCh. 17.6 - Prob. 2BYGCh. 17.6 - Prob. 3BYGCh. 17.6 - Prob. 4BYGCh. 17.6 - Prob. BYGVCh. 17 - Prob. 1PCh. 17 - Prob. 2PCh. 17 - Prob. 3PCh. 17 - Prob. 4PCh. 17 - Prob. 5PCh. 17 - Prob. 6PCh. 17 - Prob. 7PCh. 17 - Prob. 8PCh. 17 - Prob. 9PCh. 17 - Prob. 11PCh. 17 - Prob. 12PCh. 17 - Prob. 13PCh. 17 - Prob. 14PCh. 17 - Prob. 16PCh. 17 - Prob. 18PCh. 17 - Prob. 20PCh. 17 - Prob. 22PCh. 17 - Prob. 27PCh. 17 - Prob. 28PCh. 17 - Prob. 29PCh. 17 - Prob. 30PCh. 17 - Prob. 32P
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