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Raw Sewage
Electrocoagulation has proven effective in treating sewage water, sewage sludge concentrations, and sewage sludge metal fixation sufficiently to enable land application.
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Municipal Sewage From POTW
Discharge Water
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(002-156)
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Raw
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Treated
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% Removal
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| BOD (mg/l) |
1,050 |
14 |
99%+ |
| TSS (mg/l) |
4,620 |
7 |
99%+ |
| Bacteria (cfu) |
110,000,000 |
2,700 |
99%+ |
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(002-179)
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Raw
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Treated
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% Removal
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| BOD (mg/l) |
79 |
0 |
99%+ |
| TSS (mg/l) |
12 |
6 |
99%+ |
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(002-187)
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Raw
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Treated
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% Removal
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| BOD (mg/l) |
500 |
19 |
96% |
| TSS (mg/l) |
3,245 |
14 |
99%+ |
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(006-646)
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Raw
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Treated
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% Removal
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| BOD (mg/l) |
3,345 |
510 |
84% |
| TSS (mg/l) |
16,500 |
165 |
99% |
| Volatile Solids |
12,300 |
126 |
99% |
| TSS (mg/l) |
12 |
6 |
50% |
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Vanderbilt Study
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Raw
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Treated
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% Removal
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| COD |
490 |
26 |
94.7% |
| Total Solids |
602 |
401 |
43.4% |
| Suspended Solids |
73 |
7 |
90.4% |
| Settleable Solids |
21 |
5 |
76.2% |
| Total Hardness |
127 |
11 |
91.3% |
| Alkalinity |
267 |
11 |
95.8% |
| pH |
6.88 |
7.02 |
- |
| IOD |
0.98 |
<0.1 |
89.8% |
| BOD |
220 |
9 |
95.9% |
| Coliform |
318,000/ml |
0 |
99%+ |
| Phosphates |
38 |
0 |
99%+ |
After electrocoagulation, treated domestic sewage
water will, in most cases,”……be better than the raw water from
which it had originated.” 7
(7) United States Department of Agriculture (USDA),
Agricultural Research Service: 12/18/95
Copyright © 1994 through 2001 All rights reserved Powell Water Systems Inc.
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