Publication

Towards sustainable sanitation: Mitigating microbial health risks in the production of urine-derived fertilizers

2016
Posters

Abstract

To identify and address health and safety challenges, first, I conducted a screening of fecal pathogens in source-separated urine. The pathogen inactivation performance of two innovative fertilizer production technologies was then evaluated in laboratory and field conditions. An in-depth assessment of the main mechanisms leading to pathogen inactivation during fertilizer production suggested nuanced adjustments in the treatment to yield more hygienic outcomes. Finally, occupational exposure and risks of infection during fertilizer production were evaluated using innovative exposure analysis techniques and modeling. Quantitatively identifying risks in this way will allow development of strategies to promote innovation and overcome barriers to safe and sustainable sanitation.

Official source

https://infoscience.epfl.ch/entities/publication/dbb44e30-42f9-4e19-89d5-7c4f2df8418f

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2016
Posters

Abstract

Official source

https://infoscience.epfl.ch/entities/publication/dbb44e30-42f9-4e19-89d5-7c4f2df8418f

About this result

Related concepts (32)

Reuse of human excreta

Reuse of human excreta is the safe, beneficial use of treated human excreta after applying suitable treatment steps and risk management approaches that are customized for the intended reuse application. Beneficial uses of the treated excreta may focus on using the plant-available nutrients (mainly nitrogen, phosphorus and potassium) that are contained in the treated excreta. They may also make use of the organic matter and energy contained in the excreta.

Sustainable sanitation

Sustainable sanitation is a sanitation system designed to meet certain criteria and to work well over the long-term. Sustainable sanitation systems consider the entire "sanitation value chain", from the experience of the user, excreta and wastewater collection methods, transportation or conveyance of waste, treatment, and reuse or disposal. The Sustainable Sanitation Alliance (SuSanA) includes five features (or criteria) in its definition of "sustainable sanitation": Systems need to be economically and socially acceptable, technically and institutionally appropriate and protect the environment and natural resources.

Sanitation

Sanitation refers to public health conditions related to clean drinking water and treatment and disposal of human excreta and sewage. Preventing human contact with feces is part of sanitation, as is hand washing with soap. Sanitation systems aim to protect human health by providing a clean environment that will stop the transmission of disease, especially through the fecal–oral route. For example, diarrhea, a main cause of malnutrition and stunted growth in children, can be reduced through adequate sanitation.

Related publications (3)

Towards sustainable sanitation: Mitigating microbial health risks in the production of urine-derived fertilizers

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