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Sammanfattning

Over four billion people are discharging untreated human excreta into the environment without any prior treatment, causing eutrophication and spreading disease. The most nutrient rich fraction is the urine. Urine can be collected separately and dehydrated in an alkaline bed producing a nutrient rich fertiliser. However, faecal cross-contamination during the collection risks to introduce pathogens to the urine. The objective of this hygiene assessment was to study the inactivation of five microorganisms (Ascaris suum, Enterococcus faecalis, bacteriophages MS2 and Phi X 174 and Salmonella spp) in alkaline dehydrated urine. Fresh human urine was dehydrated in wood ash at 42 degrees C until the pH decreased to

Nyckelord

Alkaline treatment; Sanitation; Fertiliser; Pathogen; Urine diversion; Urine concentration; Volume reduction

Publicerad i

Water Research
2018, volym: 144, sidor: 474-481
Utgivare: PERGAMON-ELSEVIER SCIENCE LTD

SLU författare

Globala målen (SDG)

SDG3 God hälsa och välbefinnande
SDG6 Rent vatten och sanitet för alla

UKÄ forskningsämne

Vattenbehandlingsbioteknik

Publikationens identifierare

  • DOI: https://doi.org/10.1016/j.watres.2018.07.030

Permanent länk till denna sida (URI)

https://res.slu.se/id/publ/96915