Relative pollutant reduction from biofiltration systems for metals, nitrogen, bacteria, and organics.
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Pollutant | Constituent | Treatment capabilities1 |
---|---|---|
Metals | Cadmium, Chromium, Copper, Zinc, Lead | High |
Nitrogen | Total nitrogen, Total Kjeldahl nitrogen | Low/medium |
Bacteria | Fecal coliform, e. coli | High |
Organics | High |
1 Low: < 30%; Medium: 30 to 65%; High: >65%