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Cleaning a urine-diverting dry toilet (UDDT) in Johannesburg, South Africa Urine diverting flush toilet at a household in Stockholm, Sweden (company: Dubbletten). Urine diversion, also called urine separation or source separation, refers to the separate collection of human urine and feces at the point of their production, i.e. at the toilet or urinal.
A urine-diverting dry toilet (UDDT) is a type of dry toilet with urine diversion that can be used to provide safe, affordable sanitation in a variety of contexts worldwide. The separate collection of feces and urine without any flush water has many advantages, such as odor-free operation and pathogen reduction by drying.
The nutrients in compost from a composting toilet have a higher plant availability than dried feces from a typical urine-diverting dry toilet. The two processes are not mutually exclusive, however: some composting toilets do divert urine (to avoid over-saturation of water and nitrogen) and dried feces can still be composted. [37]
Compost from composting toilets has a higher nutrient availability than the dried feces that result from a urine-diverting dry toilet. [3] Urine is typically present, although some is lost via leaching and evaporation. Urine can contain up to 90 percent of the residual nitrogen, up to 50 percent of the phosphorus, and up to 70 percent of the ...
Example of a toilet used in a container-based sanitation system (urine-diverting dry toilet as marketed by the NGO SOIL in Haiti under the name of "EkoLakay")Container-based sanitation (abbreviated as CBS) refers to a sanitation system where toilets collect human excreta in sealable, removable containers (also called cartridges) that are transported to treatment facilities. [1]
A treebog is a type of low-tech compost toilet. It consists of a raised platform above a compost pile surrounded by densely planted willow trees or other nutrient-hungry vegetation. It can be considered an example of permaculture design, as it functions as a system for converting urine and feces to biomass, without the need to handle excreta.