Schematic of the dehydration vaults of a UDDT with two vaults UDDT at Gebers collective housing estate near Stockholm, SwedenDouble-vault UDDT used in squatting position in Ouagadougou, Burkina Faso 3-hole<unk>  diversion squatting pan to accommodate anal cleansing with water in Krishnagiri District, Tamil Nadu, India Exchanging the feces container of a low-cost single vault UDDT at a household in Addis Ababa, Ethiopia Alternative names for UDDTs include<unk>  diversion" for the "UD" part (instead of<unk><unk> ") in connection with terms like "dehydration", "dry", "drying", "desiccation" (for the second "D") which gives quite a high number of possible mutations of the terms that UDDT can stand for. The "T" always stands for<unk> . These variations in wording place different emphasis on the amount of drying that takes place in the feces vaults. Probably the most advanced drying takes place in UDDTs that feature two vaults or in UDDTs that have a built-in electrical fan. As a general overarching term the adjective "dry" is better than "dehydration" as it applies to a larger range of UDDT types. UDDTs are often considered synonymous with "ecosan<unk> s" (ecological sanitation) or with composting<unk> s. However, neither of these associations is correct. The term ecosan is in fact much broader and not limited to this type of<unk> . Not all UDDTs are used in conjunction with the practice of reusing excreta. There are also many other ecosan technologies that hygienically return nutrients to the food chain, such as subsurface artificial wetlands that produce fodder for cows. In addition, there is usually little composting taking place in the UDDT vaults (instead, it might be carried out in a secondary composting step which is external to the<unk> s).<unk><unk>  composting<unk> s are similar to UDDTs in that they also collect<unk>  and feces separately. Treatment is achieved through the composting, a process quite different from pathogen removal by dehydration. In Malawi, UDDTs are also called Skyloos.
Urine-diverting dry toilet
Composting toilet
Urinary catheterization
Transanal irrigation
Dry toilet
Management of dehydration
Oral rehydration therapy
Bladder training