Sewage treatment
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Sewage treatment is a type of wastewater treatment which aims to remove contaminants from sewage to produce an effluent that is suitable for discharge to the surrounding environment or an intended reu
Activated sludge sewage treatment plant in Massachusetts, US
Rural Kansas lagoon on private property
Aeration tank of activated sludge sewage treatment plant (fine-bubble diffusers) near Adelaide, Australia
A poorly maintained anaerobic treatment pond in Kariba, Zimbabwe (sludge needs to be removed)
Sewage sludge
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Sewage sludge is the residual, semi-solid material that is produced as a by-product during sewage treatment of industrial or municipal wastewater. The term "septage" also refers to sludge from simple
Sewage treatment
…nitrogen and phosphorus), pathogenic organisms, and specific trace organic constituents (micropollutants). Some types of sewage treatment produce sewage sludge which can be treated before safe disposal or reuse. Under certain circumstances, the treated sewage sludge might be termed biosolids and can be used…
Desiccation cracks in dried sludge, the hard final remains from a sewage plant
Sewage sludge in a beaker from a treatment plant
A shovel excavator loading solid sewage sludge for land application.