Primary treatment definition

Primary treatment means treatment of urban waste water by a physical and/or chemical process involving settlement of suspended solids, or other processes in which the BOD5 of the incoming waste water is reduced by at least 20% before discharge and the total suspended solids of the incoming waste water are reduced by at least 50%.
Primary treatment means a treatment process designed to remove organic and inorganic settleable solids from wastewater by the physical process of sedimentation.
Primary treatment means treatment of urban wastewater by a physical or chemical process, or both, involving settlement of suspended solids, or other processes in which the BOD5 of the incoming wastewater is reduced by at least 20 % before discharge and the total suspended solids of the incoming wastewater are reduced by at least 50 %;

Examples of Primary treatment in a sentence

  • Primary treatment shall be by Removing, Burying, Chipping, Piling, Machine Piling, or a combination of these means unless a method is specified or prohibited on Sale Area Map.

  • Primary treatment shall be by Removing, Burying, Chipping, Piling, Machine Piling, or a combination of these means unless a method is specified or prohibited on Contract Area Map.

  • Operator suggests MDF approximately 200,000 gpd • Washington Estates Subdivision STP (WRF) o Wastewater Treatment Infrastructure ▪ Primary treatment process is activated sludge treatment followed by clarification and digestion ▪ Reported WRF ADF typically 250,000 gpd ▪ Plant has an adjacent excess flow lagoon where wet weather flows can be diverted to pond and returned when peak flows subside.

  • Primary treatment shall be by Removing, Burying, Chipping, Piling, Machine Piling, or a combination of these methods unless a method is specified or prohibited on Contract Area Map.

  • Reported that there is a small return line configuration is so that flows can be slowly returned without overwhelming plant ▪ Sludge is reported to be removed from drying beds and land applied once per year o Collection system ▪ Predominantly clay pipe ▪ Reported that manholes are mostly brick and concrete • Sundale Hills STP / WRF o Wastewater Treatment Infrastructure ▪ Primary treatment process is activated sludge treatment followed by clarification and digestion.


More Definitions of Primary treatment

Primary treatment means a wastewater treatment process that takes place in a tank and allows those substances in wastewater that readily settle or float to be separated from the water being treated.
Primary treatment means a liquid waste treatment process that takes place in a treatment unit and allows those substances in wastewater that readily settle or float to be separated from the water being treated;
Primary treatment means a wastewater treatment process that allows those substances in wastewater that readily settle or float to be separated from the water being treated.
Primary treatment means treatment of wastewater by a physical process, which may involve maceration, sedimentation, screening and grit removal;
Primary treatment means the removal, usually by sedimentation, of a substantial amount of suspended matter but little or no removal of colloidal or dissolved matter;
Primary treatment means substance abuse treatment modality including inpatient, primary residential treatment, extended residential treatment, medically monitored residential, extended outpatient, intensive outpatient, and partial hospitalization.
Primary treatment means a physical treatment process that removes particulate solids from wastewater by settling.