Correction to: Small-scale on-site treatment of fecal matter: comparison of treatments for resource recovery and sanitization

Kelova, Mariya E.; Ali, Aasim; Eich‐Greatorex, Susanne; Dörsch, Peter; Kallenborn, Roland; Jenssen, Petter D.

doi:10.1007/s11356-021-13658-3

Cited by 2 publications

(1 citation statement)

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“…The digestate of AD-treated black wastewater also contains emerging contaminants, such as pharmaceuticals, perfluoroalkyl substances (PFAS), hormones, and personal care products. ,− These contaminants can harm environmental and human health by bioaccumulating in soils, organisms, and crops. Reusing AD digestate in agriculture can pose public health risks through possible bioaccumulation of residues up the food chain.…”

Section: Refocusing Research and Educationmentioning

confidence: 99%

Anaerobic Digestion as a Core Technology in Addressing the Global Sanitation Crisis: Challenges and Opportunities

Almansa,

Starostka,

Raskin

et al. 2023

Environ. Sci. Technol.

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Successfully addressing the complex global sanitation problem is a massive undertaking. Anaerobic digestion (AD), coupled with post-treatment, has been identified as a promising technology to contribute to meeting this goal. It offers multiple benefits to the end users, such as the potential inactivation of pathogenic microorganisms in waste and the recovery of resources, including renewable energy and nutrients. This feature article provides an overview of the most frequently applied AD systems for decentralized communities and low-and lower-middleincome countries with an emphasis on sanitation, including technologies for which pathogen inactivation was considered during the design. Challenges to AD use are then identified, such as experience, economics, knowledge/training of personnel and users, and stakeholder analysis. Finally, accelerators for AD implementation are noted, such as the inclusion of field studies in academic journals, analysis of emerging contaminants, the use of sanitation toolboxes and life cycle assessment in design, incorporation of artificial intelligence in monitoring, and expansion of undergraduate and graduate curricula focused on Water, Sanitation, and Hygiene (WASH).

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Section: Refocusing Research and Educationmentioning

confidence: 99%

Anaerobic Digestion as a Core Technology in Addressing the Global Sanitation Crisis: Challenges and Opportunities

Almansa,

Starostka,

Raskin

et al. 2023

Environ. Sci. Technol.

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Microbial Risk Assessment of Mature Compost from Human Excreta, Cattle Manure, Organic Waste, and Biochar

et al. 2023

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Lack of sanitation is the underlying cause of many diarrheal infections and associated deaths. Improving sanitation through the set-up of ecological sanitation dry toilets, followed by the thermophilic composting of human excreta, could offer a solution. In addition, treating the excreta via thermophilic composting allows us to recycle the nutrients to be used as fertilizer for agriculture. However, for this purpose, the compost should be free of pathogens. We conducted a thermophilic composting trial over 204 to 256 days with human excreta, along with vegetable scraps and teff straw, with and without biochar. A sawdust–cattle manure mixture with the same supplements served as a control treatment. To evaluate the hygienic quality of the mature compost, the bacterial indicators Escherichia coli and Salmonella were assessed using the cultivation-based most probable number method. In addition, Ascaris lumbricoides eggs were quantified through light microscopy. The amount of detected E. coli was below the thresholds of German and European regulations for organic fertilizer. Salmonella and Ascaris eggs were not detected. No significant differences between the treatments were observed. Thus, the composting process was efficient in decreasing the number of potential human pathogens. The mature compost fulfilled the legal regulations on organic fertilizer regarding potential human pathogens.

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Correction to: Small-scale on-site treatment of fecal matter: comparison of treatments for resource recovery and sanitization

Cited by 2 publications

References 0 publications

Anaerobic Digestion as a Core Technology in Addressing the Global Sanitation Crisis: Challenges and Opportunities

Anaerobic Digestion as a Core Technology in Addressing the Global Sanitation Crisis: Challenges and Opportunities

Microbial Risk Assessment of Mature Compost from Human Excreta, Cattle Manure, Organic Waste, and Biochar

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