Greywater
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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
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Sewage is a type of wastewater that is produced by a community of people. It is typically transported through a sewer system. Sewage consists of wastewater discharged from residences and from commerci
Greywater
…Greywater or sullage (also spelled graywater in the United States and sometimes written as two words: grey water, gray water) 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…
Pumping station lifting sewage to the treatment plant in Bujumbura, Burundi
Greywater (a component of sewage) in a settling tank
Screening of the sewage with bar screens at a sewage treatment plant to remove larger objects in Norton, Zimbabwe
Screening of sewage at a sewage treatment plant in Bujumbura, Burundi