n IMIESA - Wastewater characteristics : pipes, pumps and valves

Volume 34, Issue 10
  • ISSN : 0257-1978
  • Author
  • Source : IMIESA, Volume 34, Issue 10, Oct 2009, p. 95
  • Accreditation : Department of Higher Education and Training (DHET)



Waste from urban and dense settlements generally reaches the larger water environment in four waste streams : sewage waste, grey water, storm water and solid waste / litter. In Africa, the smaller proportion of the population who has in-house water supplies generate more grey water per capita. The more affluent communities generate even more grey water; moreover, the very tiny ratio of Africans who are connected to piped sewerage systems produce more sewage wastewater.

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