Closing the nutrient cycle

A presentation about water problems in Nepal 

Twinning Provinciaal Waterleidingbedrijf PWN, Hoogheemraadschap van Uitwaterende Sluizen in Hollands Noorderkwartier

and Dinas Kebersihan dan Pertamanan, Kabupaten Bogor, IndonesiŽ

September 8. 1999

Click the mouse to start the presention


Twinning Provinciaal Waterleidingbedrijf PWN en Hoogheemraadschap van Uitwaterende Sluizen in Hollands Noorderkwartier USHN met Dinas Kebersihan dan Pertamanan voor drinkwatervoorziening en afvalwaterbehandeling in Kabupaten Bogor, IndonesiŽ

Closing the nutrient cycle Why and how A way to reduce waste water problems in Nepal

Workshop on water management in Nepal

Water management in Nepal

The communities in the Kathmandu valley

Example: Sidhipur

Problems Nepal

Problems - continued

Present practice: unhealthy!

Open defecation

Trench latrine

Solutions - basics


Sewage treatment western approach

Separation of flows

White water

Black wastes

Double vault composting latrine

Grey water

Mixed flows

Septic tanks + simplified sewer

Main components of a sanitation system

Flush and discharge

Dilution is the problem

Distribution of resources in waste water in % of total in sewage


Economical value of water

The effect of poverty on the infant mortality rate

Pathogens - Health risks

Sludge from septic tanks

Influence of religion on black water treatment


Experience is growing

Source separation in densely-populated squatter areas in San Salvador

Ways of separating urine and faeces

Swedish solutions urine separation

Alternatives managing urine

Zero-effluent discharge

Integrated water hyacinth production in Brazil

Logistics water and resource saving toilets

Logistics in urban black water and organic waste flows


Author: R. Kampf



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