(d) Biomass and substrate mass balance equations can be merged giving QwXR = () Y/Qo` X VX (SS) - ka (i) Prove that X= Note that HRT = t and SRT = tc. (ii) If you are an engineer working in a wastewater consultancy company, and obtained the following data: - COMM SRTTM 20 days HRT = 20 hours So S Y ka SRT Y(So-S) HRT \1+ka(SRT)) 350 mg/L 100 = 0.15 / = 0.22 per day Calculate the increment of MLSS (%) required in the aerobic tank if the discharge BOD5 in the effluent needs to achieve 10 mg/L.

Structural Analysis
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ISBN:9781337630931
Author:KASSIMALI, Aslam.
Publisher:KASSIMALI, Aslam.
Chapter2: Loads On Structures
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(d)
Biomass and substrate mass balance equations can be merged giving
Y
= ( ) - kd
X
(Sort)
QwXR
VX
SRT
(i)
Prove that X =
HRT
(ii)
If you are an engineer
and obtained the following data: -
SRTTM
HRT
So
S
Y
ka
Y(So-S)
Wonka (SRT)).
= 20 days
=
= 20 hours
= 350 mg/L
= 100
= 0.15
= 0.22 per day
=
Note that HRT = t and SRT = tc.
in a wastewater consultancy company,
Calculate the increment of MLSS (%) required in the aerobic tank if the
discharge BOD5 in the effluent needs to achieve 10 mg/L.
Transcribed Image Text:(d) Biomass and substrate mass balance equations can be merged giving Y = ( ) - kd X (Sort) QwXR VX SRT (i) Prove that X = HRT (ii) If you are an engineer and obtained the following data: - SRTTM HRT So S Y ka Y(So-S) Wonka (SRT)). = 20 days = = 20 hours = 350 mg/L = 100 = 0.15 = 0.22 per day = Note that HRT = t and SRT = tc. in a wastewater consultancy company, Calculate the increment of MLSS (%) required in the aerobic tank if the discharge BOD5 in the effluent needs to achieve 10 mg/L.
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