Table 4.23 Summary of influent and effluent data in the electron tube subcategory, plant 30172
Pollutants
Flow ¼ 3.58 L/s
Influent
Effluent
Percent removal
Classical pollutant, mg/L
Oil and grease
31
21
32
TOC
640
40
94
BOD
7.4
2.2
70
TSS
1.0
3.1
NM
Phenols
0.01
0.01
0
Fluoride
16
33
NM
Cyanide
0.002
0.02
NM
pH, pH units
4.4
77
NM
Calcium
16
310
NM
Magnesium
4
7.8
NM
Sodium
74
140
NM
Aluminum
1
0.3
70
Manganese
0.060
0.007
88
Vanadium
0.027
0.001
96
Boron
32
2
94
Barium
19
0.140
99
Molybdenum
0.27
0.024
91
Tin
0.37
0.066
82
Yttrium
1.7
0.00195
99
Cobalt
0.32
0.025
92
Iron
180
0.12
99
Titanium
0.033
0.001
97
Palladium
0.031
0.0025
92
Tellurium
0.004
0.002
50
Platinum
0.019
0.0025
87
Gold
0.001
0.001
0
Toxic pollutant, mg/L
Antimony
14
120
NM
Arsenic
27
9.3
65
Beryllium
1.3
0.5
62
Cadmium
100
1
99
Chromium
81,000
210
99
Copper
37
14
62
Lead
83,000
163
99
Mercury
0.5
0.5
0
Nickel
1,700
15
99
Selenium
4.0
2
50
Silver
6.2
0.8
87
Thallium
16
1
94
Zinc
140,000
75
99
(continued)
150
O. S. Amuda et al.