Primary treatment can include conventional clarification as well as high rate and enhanced clarification for the treatment of combined sewer overflow (CSO), sanitary sewer overflow (SSO), and peak excess flows.
| Product | Description | Manufacturer |
|---|---|---|
| Actiflo | An ultra high-rate clarification process which combines microsand enhanced flocculation and lamellar settling. | Krüger |
| Mega-Settler | High rate inclined plate settler that uses a counter-current flow principle for effective solids removal. | JMS |
| Salsnes Filter | Industry leading, efficient, compact primary solids separation with rotating belt filter technology. | Salsnes division of Trojan Technologies |
| Clarifiers and Primary Clarifiers | Includes primary and secondary clarifiers, backwash clarifiers, floc clarifiers, solids contact reactors, circular grit basins, gravity thickeners and flotation separators and thickeners. | Evoqua/Envirex |
| Chain and Scraper | Fits any plant’s requirement for basins in sizes from 1.8m (6ft) wide by 4.6m (15ft) long to 10.7m (35ft) wide by 91m (300ft) long. | Evoqua/Envirex |
| Weirs & Baffles | Fiberglass weirs and baffles for wastewater treatment plants. | MFG |