Catalogue

Fish can be grown in ponds that receive effluent or sludge where they can feed on algae and other organisms that grow in the nutrient-rich water. The…

Integrated fixed film activated sludge (IFAS) is a relatively new technology that describes any suspended growth system that incorporates an attached…

A floating plant pond is a modified maturation pond with floating (macrophyte) plants. Plants such as water hyacinths or duckweed float on the…

In a focus group discussion, people from similar backgrounds or experiences (e.g. young women, young men, handicapped, elderly etc.) are brought…

Fog harvesting provides a cheap complementary water source for arid and semiarid, rural regions. As the wind blows the fog through specially designed…

Despite the importance of internal follow-up of completed projects to ensure sustainability of water and sanitation initiatives, it is usually a…

The Fossa Alterna is a short cycle alternating, waterless (dry) double pit technology. Compared to the [8239-double VIP] which is just designed to…

This factsheet contains an overview over the various forms of legal bodies for entrepreneurs wanting to start their business. The determination of…

A free-water surface constructed wetland aims to replicate the naturally occurring processes of a natural wetland, marsh or swamp. As water slowly…

A free-water surface constructed wetland (also called free water surface, FWS) is a series of flooded planted channels or basins. It aims to…

French Reed Beds (FRDs) are a particular type of Vertical Flow (VF) Wetlands designed and operated in order to treat raw sewage. The bed is filled…