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Sewage treatment (or domestic wastewater treatment, municipal wastewater treatment) is a type of wastewater treatment which aims to remove contaminants from sewage to produce an effluent that is suitable to discharge to the surrounding environment or an intended reuse application, thereby preventing water pollution from raw sewage discharges. [2]
The RBC process allows the wastewater to come in contact with a biological film in order to remove pollutants in the wastewater before discharge of the treated wastewater to the environment, usually a body of water (river, lake or ocean). A rotating biological contactor is a type of secondary (biological) treatment process.
Secondary treatment (mostly biological wastewater treatment) is the removal of biodegradable organic matter (in solution or suspension) from sewage or similar kinds of wastewater. [ 21 ] : 11 The aim is to achieve a certain degree of effluent quality in a sewage treatment plant suitable for the intended disposal or reuse option.
The Back River Wastewater Treatment Plant is a wastewater treatment plant in Baltimore, Maryland, United States. It serves the city of Baltimore, which owns and operates the facility, as well as Baltimore County, Maryland , and discharges treated water into the Back River and the Patapsco River .
Chemical addition wastewater treatment; Clarifier; Coarse bubble diffusers; Composting toilet; Constructed wetland; Cross-flow filtration; Dark fermentation; Decanter centrifuge; Decentralized wastewater system; Diffuser (sewage) Dissolved air flotation; Dissolved gas flotation; Desalination; Distillation; Effluent Decontamination System ...
The effective removal of oils and grease is dependent on the characteristics of the oil in terms of its suspension state and droplet size, which will in turn affect the choice of separator technology. Oil in industrial waste water may be free light oil, heavy oil, which tends to sink, and emulsified oil, often referred to as soluble oil.
The removal and storage of phosphorus from wastewater can only occur within the constructed wetland itself. Phosphorus may be sequestered within a wetland system by: The binding of phosphorus in organic matter as a result of incorporation into living biomass,
A trickling filter is a type of wastewater treatment system. It consists of a fixed bed of some material, such as rocks, coke, gravel, slag, polyurethane foam, sphagnum peat moss, ceramic, or plastic media, over which sewage or other wastewater flows downward and causes a layer of microbial slime to grow, covering the bed of media.
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