Standard Methods for Examination of Water & Wastewater 8 docx
Standard Methods for Examination of Water & Wastewater_1 ppt
... Sincero
1 68 Physical–Chemical Treatment of Water and Wastewater
the parasites. For municipal water systems, the most practical and effective way of
getting rid of the parasite is the use of a properly ... case of taste,
there should be no noticeable odor at the point of use of any drinking water. The
secondary standard for odor is 3.
Fresh wastewater odor is les...
Standard Methods for Examination of Water & Wastewater_2 ppt
... 15.6
a
196 .88
b
14:00 235 62 205 205 56.5 57 2 54.2 202.37
16:00 175 51 163 205 48 56.5 2 91 .8 182 .24
18: 00 151 45 166 163 48 48 2 112.24 174.75
20:00 181 51 1 58 166 45.5 48 2 127 .84 167. 78
22:00 ... 3020
3056 385 40 5 3020
4060405 50 6 3020
5066446 60 7 3020
6070 486 70 89 3020
7076507 80 9 3020
80 80547 9011 3020
7
16
4
5
16
3
1
2
3
3
8
10
5
8
11
1
8
10
5...
Standard Methods for Examination of Water & Wastewater_3 potx
...
1.3
2
2 9 .81 ()
0. 086 m==
Therefore, TDH 0. 086 = 20 30++ 50. 086 = m of water
TDH TDHvivo= h
abso
= h
vo
h
absi
h
vi
+()–+
50. 086 h
abso
=
1.3
2
2 9 .81 ()
3. 087 – 10.34+()
1.059
2
2 9 .81 ()
+–+ ... J. (1 986 ). Water and Wastewater Technology. John Wiley & Sons, New York.
Kotov, A. I. (19 98) . Water treatment system is one of the most important elements of th...
Standard Methods for Examination of Water & Wastewater_4 potx
... treatment of raw water for drinking purposes are two of the
units in the physical treatment of water and wastewater that use the concept of
flocculent settling. These units are either of circular or ... 100
0 .88 0.132 101
FIGURE 5 .8 Settling column analysis of discrete settling.
C
D
24
Re
3
Re
0.34 for 1 Re≤ 10
4
≤()++=
C
D
0.4 for Re 10
4
>()=
Re
dv
ρ
µ
dv...
Standard Methods for Examination of Water & Wastewater_5 ppt
... length of the paddle blades of the
longest compartment to that of the length of the paddle blades of the middle
compartment is 2.6:2, and the ratio of the length of the paddle blades of the middle
compartment ... equal to a force times a moment arm. The force at the bottom
face F
bot
or the force at the upper face F
up
in the parcel represents this force. This
force is a for...
Standard Methods for Examination of Water & Wastewater_6 pot
... (m
3
)
0———————
8 8. 2 8 −1.03 37. 08 1.36 51.91 2.76
16 −4.0 8 −0.5 18 0.3 25.2 0.61
24 −1 .8 8 −0.23 8. 28 0.06 11.59 0.12
30 −0.6 6 −0.1 3.6 0.01 5.04 0.02
40 −0 .8 10 −0.1 2 .88 0.53 4.03 1.13
480 ——————
∑h
i
... 0.50 0.30 0.075
32–35 0.46 0. 18 1.72 0. 08 29 0.52 0. 48 0. 38 0. 086 4
35–42 0. 38 0. 18 2.21 0.07 20 0.54 0.46 0.39 0. 082 8
42– 48 0.32 0.20 3.02 0.05 13...
Standard Methods for Examination of Water & Wastewater_7 doc
... 102. 18( )90()–
104.9 3,000()
100()==
98. 2%= Ans
b()R
104.9 3,000 300 400++()0.61 102. 18( )90 68+ +()–
104.9 3,000 300 400++()
100()=
388 ,130 6, 482 .30–
388 ,130
= 100() 98. 3%= Ans
TX249_frame_C 08. fm ... at the top of the bed. The packed density of the carbon bed is
721. 58 kg/m
3
.
8. 16 A wastewater containing 25 mg/L of phenol and having the characteristic
breakthr...
Standard Methods for Examination of Water & Wastewater_8 docx
... experiment for the pur-
pose of determining the value of
β
of a particular wastewater. The [C
os,w
] of the
wastewater after shaking the jar thoroughly is 7.5 mg/L. The temperature of the
wastewater ... environmental engineer performs an experiment for the purpose of
determining the value of
β
of a particular wastewater. If
β
is found to be
equal to 0 .89 and t...
Standard Methods for Examination of Water & Wastewater_9 potx
... (25,000) = 18. 875 keq/d
= 18. 875(20.05) = 3 78. 44 kg/d
Therefore,
M
sodAshCa
= 2.65(1)(3 78. 44) = 1002 .88 kg/d of pure soda ash
M
sodAshCaMg
= 0
Therefore,
M
sodAsh
= 1002 .88 + 0 = 1002 .88 kg/d
= ... 0.3–
2.5
0 .88 ==
M
T CaHCO
3
2.5
1
1000
14,750()36 .88 kgeq/d==
36 .88 20.05()
Ca HCO
3
()
2
Ca
36 .88 20.05()
40.1 2 61()+
40.1
==
2 989 .12 kg/d=
M
CaOCaHCO
3
0...
Standard Methods for Examination of Water & Wastewater_10 docx
... cal– /gmmol of CaCO
3 s()
==
R 1. 987
cal
gmmol.K°
T
1
25 273+ 2 98 K===
T
2
15 273+ 288 °K T
2
60 273+ 333°K== ==
K
T 2
at 15°K 4 .8 10
9–
()exp
2,950
1. 987 2 98( ) 288 ()
288 2 98 ()=
4.0 38 10
9–
() ... Treatment of Water and Wastewater
Coucke, D., et al. (1997). Comparison of the different methods for determining the behaviour
of water to calcium carbonate. Aqu...
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