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Chemical phosphorus removal is a wastewater treatment method, ... a salt commonly used in the coagulation process of drinking water treatment. Aluminum sulfate, ...
The activated sludge process is a type of biological wastewater treatment process for treating sewage or industrial wastewaters using aeration and a biological floc composed of bacteria and protozoa. It is one of several biological wastewater treatment alternatives in secondary treatment , which deals with the removal of biodegradable organic ...
Enhanced biological phosphorus removal (EBPR) is a sewage treatment configuration applied to activated sludge systems for the removal of phosphate. [ 1 ] The common element in EBPR implementations is the presence of an anaerobic tank ( nitrate and oxygen are absent) prior to the aeration tank.
Another method for phosphorus removal is to use granular laterite or zeolite. [32] [33] Some systems use both biological phosphorus removal and chemical phosphorus removal. The chemical phosphorus removal in those systems may be used as a backup system, for use when the biological phosphorus removal is not removing enough phosphorus, or may be ...
One method for treating sludge dewatering streams is by using a process that is also used for phosphorus recovery. Another benefit for sewage treatment plant operators of treating sludge dewatering streams for phosphorus recovery is that it reduces the formation of obstructive struvite scale in pipes, pumps and valves. Such obstructions can be ...
Enhanced biological phosphorus removal; Expanded granular sludge bed digestion; Extended aeration; Facultative lagoon; Fenton's reagent; Filtration; Fine bubble diffusers; Flocculation & sedimentation; Flotation process; Forward osmosis; Froth flotation; Hydrocyclone; Imhoff tank; Induced gas flotation; Integrated fixed-film activated sludge ...