
Oil Refineries Product Solution
Oil & Gas
Solutions for Wastewater Treatment & Management
FRC Components
High-Rate DAF
Project Description
FRC provided a solution for one of the longest continuously running refineries in the United States at a facility producing 11,000 bbl/d. The existing wastewater treatment system included a trickling filter upstream of a sand filter before sending the effluent to the local river. The sand filter was becoming overloaded with solids coming out of the trickling filter. FRC installed a DAF in front of the sand filter to remove the biosolids, allowing the sand filter to operate at a higher efficiency and the client to stay in compliance.
The FRC Solution
High-Rate DAF – Float the agglomerated biosolids, yielding effluent water with very low solid concentration that the sand filter is better able to handle.
Parameter | Effluent Req. |
Flow (gpm) | 660 |
MLSS (mg/L) | < 50 |
Design Data




