... examples of systems of units: meter-kilogram-second (mks),
meter-gram-second (mgs), liter-gram-second (lgs), centimeter-gram-second (cgs),
liter-grammoles-second (lgmols), meter-kilogrammoles-second ... topics of water and
wastewater characterization, quantitation, and population projection, this book covers
the unit operations and unit processes in the physical chemical tr...
... rapid-sand filter
of average porosity of 0.42. The temperature of the water to be filtered is
20°C. The head losses in the slow-sand and rapid-sand filters are 0.06 m
and 0.71 m, respectively and ... sand of sieve analysis of Problem 7.10 is used to con-
struct (a) a slow-sand filter of average porosity of 0.39 operated at
9.33 m
3
/m
2
⋅ d and (b) a rapid-sand filter of...
... Sincero and G. A. Sincero
518 Physical Chemical Treatment of Water and Wastewater
11.1.3 ’S FOR PERTINENT CHEMICAL REACTIONS OF THE
C
ARBONATE EQUILIBRIA
Let us now derive the values of the of the ... by A. P. Sincero and G. A. Sincero
524 Physical Chemical Treatment of Water and Wastewater
A positive value of the Langelier index indicates that the wate...
... providing the agitation.
Generally, three types of mixers are used in the physical chemical treatment of water
and wastewater: rotational, pneumatic, and hydraulic mixers.
Rotational mixers
... Instru-
mentation, Control and Automation of Water and Wastewater Treatment and Transport
Syst., July 6–9, 1997, Brighton, England, 37, 12, 181–192. Elsevier Science...
... rejection
ions
Ca
2+
SO
2-
Na
+
H
2
0Na
+
Cl
-
H
2
0Na
+
Cl
-
H
2
0
H
2
0Na
+
Cl
-
H
2
0Na
+
Cl
-
H
2
0
H
2
0Na
+
Cl
-
H
2
0Na
+
Cl
-
H
2
0
H
2
0Na
+
Cl
-
H
2
0Na
+
Cl
-
H
2
0
H
2
0Na
+
Cl
-
H
2
0Na
+
Cl
-
H
2
0
H
2
0Na
+
Cl
-
H
2
0Na
+
Cl
-
H
2
0
H
2
0
H
2
0
H
2
0
Monovalent ... system of units (meter-kilogram-second)
and the temperatur...
... Automation of Water and Wastewater Treatment and
Transport Syst., July 6–9, Brighton, England, 37, 12, 111–119. Elsevier Science Ltd.,
Exeter, England.
Chuang, C. J. and K. Y. Li (1997). Effect of coagulant ... =
K
Al
7
(OH)
17
c
K
sp,Al(OH)
3
7
γ
H
4
[H
+
]
4
γ
Al
7
(OH)
17
c
K
w
21
=
[Al
13
(OH)
34
5+
]
Al
13
OH()
34
5+
{}
γ
Al
13
(OH)
34
c
K
Al
13
(OH)
34
c
Al
3...
... encountered in the normal treatment of water and
wastewater. This concentration is representative of the dissolved solids concentra-
tion of sea water.
14.5 CHEMICAL REACTION OF THE PHOSPHATE ION ... discussion on the
modes of removal of the element. The chemical reactions of removal, unit operations
of removal, chemical requirements, optimum pH range of opera...