Greywater
Videos
Greywater or sullage refers to domestic wastewater generated in households or office buildings from streams without substantial fecal contamination, i.e. all streams except for the wastewater from toi
Left: greywater sample from an office building. Right: Same greywater after treatment in membrane bioreactor
Example of a source of greywater in the household: dirty water from cleaning the floor
Urban decentralized greywater treatment with constructed wetland in Oslo
Greywater treatment plant with membrane bioreactor in the basement of an office building in Frankfurt
Sewage treatment
Videos
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)