Environmental Engineering Reference
In-Depth Information
Table 3.3
Summary of some results in the removal of
dyes by ozonation.
Dye
Time
(min)
Ozone
Amount
(mg/min)
Catalyst
pH
Color
Removal
(%)
COD
Removal
(%)
TOC
Removal
(%)
References
Textile Dyeing Factory
wastewater
360
-
No catalyst
90
-
[45]
C. I. Reactive Blue 5
-
LaCoO
3
100
[56]
Acid Red B
60
30
Fe-Cu oxide
6.8
90
70
-
[48]
ReactiveBlue 19
90
-
No catalyst
55
17
[41]
Procion red MX-5B
30
4.3
Metal ions
97
-
75
[27]
RR198
9
MgOnanocrystal
catalysts
8
100
-
-
[44]
C. I. Acid Blue 113, C. I.
Reactive
Yellow 3, C. I. Reactive
Blue 5
less than 10
-
activated carbon,
cerium oxide,
ceria-activated
carbon composite
100
-
-
[57]
Reactive Blue 19
10
1.2 L/min
No catalyst
-
BOD/
COD = 0.33
-
-
[22]
Bomaplex Red CR-L dye
10-30
-
No catalyst
100
35-56
-
[26]
Acid, Direct and Reactive
180
-
No catalyst
100
66
-
[58]
C. I. Direct Black 22
160
-
No catalyst
70-83
-
33
[4]
Red X-GLR
120
-
No catalyst
100
5.7-35
-
[59]
Remazol Black 5
360
-
No catalyst
-
-
40
25
[60]
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