Table 4.18 Summary of classical and toxic pollutants for the electric lamp subcategory wastewater
by individual process units
Pollutant
Filament mandrel dissolution
Flow ¼ 0.32 L/h
Number of samples/
number of detection
Range of
detection
Mean of
detection
Median of
detection
Classical pollutant, mg/L
Oil and grease
1/0
TOC
1/1
190
TSS
4/4
1–4,600
1,200
58
Phenol
1/1
0.025
pH, pH unit
4/4
<2–12
<6.1
5.4
Calcium
4/4
0.66–29
15
16
Magnesium
4/4
0.22–6
4
5
Sodium
3/3
1,400–
19,000
7,600
2,700
Aluminum
3/3
0.36–14
4.9
0.62
Manganese
3/3
0.03–0.75
0.4
0.43
Vanadium
3/3
0.067–0.36 0.17
0.09
Boron
3/3
0.23–0.51
0.36
0.34
Barium
3/3
0.003–0.06 0.039
0.05
Molybdenum
4/4
1.9–52,000 13,000
270
Tin
3/3
0.051–0.28 0.13
0.06
Yttrium
3/3
0.01–0.06
0.032
0.026
Cobalt
3/3
0.01–0.33
0.13
0.061
Iron
3/3
0.7–72
29
13
Titanium
4/4
0.005–0.23 0.074
0.03
Potassium
3/3
1.3–110
38
<1.4
Calcium
3/3
<0.006–
<0.19
<0.071
<0.016
Geranium
3/3
<0.013–
<0.4
<0.16
<0.06
Rubidium
3/3
<0.005–
<0.05
<0.022
<0.01
Strontium
3/3
0.082–0.15 0.12
0.13
Zirconium
3/3
<0.012–<2 <0.68
<0.02
Niobium
3/3
<0.010–<3 <0.10
0.04
Palladium
3/3
<0.016–
<0.2
<0.04
<0.02
Indium
3/3
1.8–4.5
2.7
1.6
Tellurium
3/3
<0.11–<0.7 <0.37
<0.2
Tungsten
3/3
0.66–51
19
6.4
Osmium
3/3
<0.017–
<0.8
<0.29
<0.04
Platinum
3/3
<0.016–
<0.5
<0.19
<0.05
(continued)
142
O. S. Amuda et al.