Absorption/Adsorption | |
- Carbon | 5 |
- Ion Exchange | 5 |
Biological Wastewater Treatment | |
- Activated Sludge | 6 |
- Contact beds (anaerobic) | 5 |
- RBC | 5 |
- Sand Filters | 4 |
- Trickling Filters | 4 |
Chemical Precipitation (reaction vessel) Clarification | |
- Primary | 5 |
- Secondary | 5 |
- Tertiary | 5 |
Chrome Reduction | 5 |
Cooling water (contact and non-contact) | 2 |
Cyanide Destruction | 5 |
Dentention basins, Swales, Infiltration trenches | 2 |
Disinfection | 5 |
Equalization | 2 |
Evaporation | |
- Single | 2 |
- Multiple | 5 |
Filtration/Sludge Dewatering | |
- Cartridge | 3 |
- Centrifuge | 8 |
- Filter Press | 8 |
- Membrane | 5 |
- Vacuum Filter | 10 |
Flocculation/Mixing/Coagulation | 5 |
Flotation | 5 |
Neutralization/pH Adjust | |
- Single | 3 |
- Multiple | 5 |
Oil/Water Separation | |
- Gravity fed | 2 |
- Baffled | 5 |
Pumping (in-plant) | 3 |
Settling | |
- With manual sludge removal | 3 |
- With mechanical sludge removal | 5 |
Sludge Blending/Thickening | 5 |
Sludge Drying (mechanical dryers) | 5 |
Silver Recovery Unit | 5 |
Stripping (Air/Steam) | 5 |
257 CMR 2.15