Control technology summary for flotation (Source: US Environmental Protection Agency,
September 1981)
Pollutant
Effluent Concentration
Removal efficiency %
Range
Median
Range
Median
2,4-Dichlorophenol
6
NM
Di-n-butyl Phthalate
ND-300
20
0–>99
97
Diethyl phthalate
ND
>99
Di-n-octyl phthalate
ND-33
11
61–>99
78
N-nitrosodiphenylamine
620
66
N-nitroso-di-n-propylamine
84
NM
2-Chlorophenol
2
NM
2,4-Dimethylphenol
ND-28
14
>99
Pentachlorophenol
5–30
13
19
Phenol
9–2400
71
0–80
57
2,4,6-Trichlorophenol
3
NM
Benzene
5–200
120
NM
Chlorobenzene
57
NM
Dichlorobenzene
18–260
140
76
Ethylbenzene
ND-970
44
3–>99
65
Toluene
ND-2100
580
10–>99
39
Fluoranthene
0.5-<10
5.2
NM
Fluorene
14
NM
Naphthalene
ND-840
96
33–>99
77
Pyrene
0.3–18
9.2
0
Anthracene/phenanthrene
0.2–600
10
45–>98
81
2-Chloronaphthalene
17
0
Blanks indicate data not available; BDL, below detection line; ND, not detected; NM, not
meaningful; *, approximate value
Appendix F
Control technology summary for filtration
Data points
Effluent concentration
Removal
efficiency, %
Pollutant
Pilot
scale
Full
scale
Range
Median Range
Median
Classical pollutants, mg/L:
BOD(5)
3
6
5.3–23,000
23
8–48
22
COD
11
9
29–260,000 150
0–59
24
TSS
19
15
<1–7,300
17
6–>99
76
TOC
8
6
17–25,000
43
6–49
14
Tota1 phosphorus
10
4
<0.07–14
1.1
7–86
52
(continued)
312
L. K. Wang et al.