AERATION: Principles and Practice ( VOLUME 11 ) - Chapter 2 docx
AERATION: Principles and Practice ( VOLUME 11 ) - Chapter 2 docx
... Equations (2 .1 8) and (2 .2 4) into (2 .1 7) yields the oxygen flux.
(2 .2 5)
Multiplying by the interfacial area per unit volume, the change in oxygen
concentration with time, similar to Equation (2 .1 0) results.
(2 .2 6)
Equation ... conditions is defined similar to
Equation (2 .4 2) .
(2 .5 2)
Dividing Equation (2 .5 2) by (2 .4 2) pro...
AERATION: Principles and Practice ( VOLUME 11 ) - Chapter 1 ppsx
... pore
968
(1 98 6)
5.57 7. 12
(1 99 8)
7.43
(1 99 9)
15.7
16.8
(Conklin,
20 01;
Leonforte,
199 8)
Red Hook Brooklyn,
NY
2. 6
(6 0)
Diffused 23 2
(1 98 8)
16.8 2. 49
(1 99 8)
2. 29
(1 99 9)
25
24
(Conklin,
20 01;
Leonforte, ...
20 01;
Leonforte,
199 8)
Owls
Head
Brooklyn,
NY
5.3
(1 2 0)
Diffused 380
(1 99 5)
27 7.15...
AERATION: Principles and Practice ( VOLUME 11 ) - Chapter 3 ppt
... 4.4–7 .2 Wilfey, 1998
12. 6 15.5 21 7 5.6–8 .2 Wilfey, 1998
Disc — 25 cm (coarse) 4.7– 12. 6 15.5 21 7 5.1–5.9 Wilfey, 1998
Disc — 23 cm 1.6 20 .2 29 2 3 .2 7.9 Wilfey, 1987
3 .2 20 .2 25 5 4.6–6.9 Wilfey, 1987
4.4 ... disc
18-cm grid 0.6–5.5 3.6–5 .2
2 2- cm grid 0.6–5.0 4.1–6.1
24 -cm grid 1.1–4.7 4.4–5.5
Ceramic dome
18-cm grid 0.8–3.9 3.4–6.0
Perforated membrane disc
b
51-cm 24...
AERATION: Principles and Practice ( VOLUME 11 ) - Chapter 4 ppt
... h
s21 1
()
=
()
+
()
⋅∆
SOTE h
SOTE h SOTE h
h
s
()
=
()
−
()
21
∆
SOTE h
d SOTE h
dh
SOTE SOTE h
zH h
Hh
SOTE SOTE h h
s
so
S
S
so
()
=
()
[]
=⋅−
()
[]
⋅
+⋅ −
()
[]
+⋅−
()
[]
=⋅−
()
[]
⋅
()
()
1
1
0 ... SOTE h h
sso
S
S
so
()
=⋅−
()
[]
⋅
+⋅ −
()
[]
+⋅−
()
[]
=⋅−
()
[]
⋅
()
()
1
1
0 0013
1...
AERATION: Principles and Practice ( VOLUME 11 ) - Chapter 5 doc
... = 420 scfm
Stenstrom, 1989
ST Draft tube turbine/75hp
2 units
123 (1 6 5)
*
60 (8 0)
106 (1 4 2)
1 82 (2 4 4)
24 (1 1 0)
11 (5 3)
20 (9 4)
35 (1 6 2)
76 (9 . 4)
37 (4 . 6)
65 (8 . 1)
1 12 (1 4. 0)
— — 1.05 (1 .7 3)
1.13 ... (1 2 8) 11 (5 9. 0) 45 (5 . 7) 61 22 (8 . 5) 1.88 (3...
AERATION: Principles and Practice ( VOLUME 11 ) - Chapter 6 pdf
... kgO
2
/kWh 4.59 lbO
2
/hp-h mixer power only
Avg AEf 1 .24 kgO
2
/kWh 2. 13 lbO
2
/hp-h mixer and generation power
No. Secondary Clarifiers 2
Overflow Rate 24 .44 m
3
/m
2
/d 600 gpd/sf
Diameter 22 .9 ... Environmental
Engineering, 11 4 (2 ), 415–4 32.
Clifft, R. C. (1 99 2) . “Gas Phase Control for Oxygen-Activated Sludge.” J of Environmental
Engineering, 11 8(3...
AERATION: Principles and Practice ( VOLUME 11 ) - Chapter 7 pot
... non-steady-state analysis techniques, a) changing power levels, b) H
2
O
2
addition.
R
CC
t
CC
Ka
CC
Ka
Ka Ka
RR
iR
L
f
iR
L
f
L
f
L
f
=
−+
−
−
−
−
21
0
1
1
2
2
12
1
11
11
CC
Ka
R
CC
t
C
Ka
R
CC
t
f
R
L
f
iR
R
L
f
iR
∞
=+ ... G
OTE
SOTE
i
i
n
ii
i
n
=
==
=
=
=
∑
∑
1
20 20
1
20
1
αβ
α
β
Off-gas overall tank values
© 20 02 by CRC...
AERATION: Principles and Practice ( VOLUME 11 ) - Chapter 9 (end) ppt
... between
initial investment and long-term operation and maintenance (O and M) expenditures.
Many long-term O and M expenditures are determined by the capabilities and con-
straints initially designed ... will
be most effective. The manual of practice FD-13 (WPCF, 198 8) and the EPA fine
pore aeration design manual (EPA, 198 9) provide an excellent data base and biblio-
gra...
OCEANOGRAPHY and MARINE BIOLOGY: AN ANNUAL REVIEW (Volume 45) - Chapter 2 docx
... durations.
Female
gametophytes
Embronic
sporophytes
Male
gametophytes
Zoospores
Juveniles
(recruits)
Adults
(reproductive)
Adults
(sterile)
Adults
(attached)
Adults
(drifting)
Germlings
(drifting)
Local population
Remote populations
© 20 07 by R.N. Gibson, R.J.A. Atkinson and J.D.M. ... in (1 ) detachment
of adult sporophytes and their removal from the population (Dayton 1985a, Te...
SAMPLING AND SURVEYING RADIOLOGICAL ENVIRONMENTS - CHAPTER 2 docx
... Activity
(Fixed + Removable)
b,d
U-nat, U -2 3 5, U -2 3 8, and associated decay
products
1000
e
5000
g
Transuranics, Ra -2 2 6, Ra -2 2 8, Th -2 3 0, Th -2 2 8,
Pa -2 3 1, Ac -2 2 7, I- 125 , I- 129
20 500
Th-nat, Th -2 3 2, ... 9 4-7 5-7 10.0
D 027 1,4-Dichlorobenzene 10 6-4 6-7 7.5
D 028 1 , 2- Dichloroethane 10 7-0 6 -2 0.5
D 029 1,1-Dichloroethylene 7 5-3 5-4 0.7
D03...
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