Processes
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Processes
Terra Preta Sanitation
Terra preta is the name of a carbon and nutrient rich soil, which has been produced by pre-Columbian cultures by the incorporation of manure,…
Struvite
Urine, which contains valuable nutrients like nitrogen and phosphorus, can be applied to soil and used as fertiliser for crops. Though valuable,…
Anaerobic Digestion (General)
Biogas sanitation is the treatment of waste and wastewater by a process called anaerobic digestion. During anaerobic digestion, the organic matter in…
Urine Storage
Urine makes up less than 0.5 % of household wastewater but contains most of the essential plant nutrients N, P and K. Waterless urinals or urine…
Dehydration Vaults
Dehydration vaults are used to collect, store and dry (dehydrate) faeces. Faeces will only dehydrate when the vaults are well ventilated, watertight…
(Co-) composting (Small-scale)
Composting at the household level is an important method for managing organic waste, which is normally the largest portion of household waste.…
Co-Composting
Co-composting is the controlled aerobic degradation of organics, using more than one feedstock (faecal sludge and organic solid waste). Faecal sludge…
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