1. A 770,000 gal conventional activated sludge pro- cess has a recycle ratio of 0.25, an influent flow rate of 1 MGD, a mixed liquor volatile suspended solids (MLVSS) concentration of 700 mg/L, and an influent BOD, of 160 mg/L. What is most nearly the F:M ratio of the process? (A) 0.1 lbm/day-lbm (B) 0.2 lbm/day-Ibm (C) 0.3 lbm/day-Ibm (D) 0.4 lbm/day-lbm A. B. C. D.

Structural Analysis
6th Edition
ISBN:9781337630931
Author:KASSIMALI, Aslam.
Publisher:KASSIMALI, Aslam.
Chapter2: Loads On Structures
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1. A 770,000 gal conventional activated sludge pro-
cess has a recycle ratio of 0.25, an influent flow rate of
1 MGD, a mixed liquor volatile suspended solids
(MLVSS) concentration of 700 mg/L, and an influent
BOD; of 160 mg/L. What is most nearly the F:M ratio
of the process?
(A) 0.1 lbm/day-lbm
(B) 0.2 lbm/day-lbm
(C) 0.3 lbm/day-lbm
(D) 0.4 lbm/day-lbm
В.
D.
Transcribed Image Text:1. A 770,000 gal conventional activated sludge pro- cess has a recycle ratio of 0.25, an influent flow rate of 1 MGD, a mixed liquor volatile suspended solids (MLVSS) concentration of 700 mg/L, and an influent BOD; of 160 mg/L. What is most nearly the F:M ratio of the process? (A) 0.1 lbm/day-lbm (B) 0.2 lbm/day-lbm (C) 0.3 lbm/day-lbm (D) 0.4 lbm/day-lbm В. D.
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