Sensor-based evaluation of a Urine Trap toilet in a shared bathroom

Kachoria, Prateek; Sasidaran, Sarani; Welling, Claire M.; Rosario, Praveen; Zhou, Jiangying; Chakrabarty, Krishnendu; Gründl, Harald; Kristoferitsch, Lotte; Grego, Sonia

doi:10.1016/j.scitotenv.2022.159178

Cited by 4 publications

(2 citation statements)

References 22 publications

(27 reference statements)

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“…Additionally, when no-mix toilets leveraging the teapot phenomenon were installed in shared bathrooms, it was demonstrated that urine and nitrogen separation was influenced by hygiene practices. [16] While urine separation can prevent ecosystem contamination to a great extent, it is only the first step to repurposing wastewater (Figure 2A). The use of urine without further processing remains notoriously difficult as the nitrogen concentration in urine is low (for fertilizers) and when urea reacts with water, a highly volatile pollutant, ammonia, is formed.…”

Section: Preventing Ecosystem Contamination and Repurposing Urinementioning

confidence: 99%

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Repurposing Sewage and Toilet Systems: Environmental, Public Health, and Person‐Centered Healthcare Applications

Yigci,

Bonventre,

Ozcan

et al. 2024

Global Challenges

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Global terrestrial water supplies are rapidly depleting due to the consequences of climate change. Water scarcity results in an inevitable compromise of safe hygiene and sanitation practices, leading to the transmission of water‐borne infectious diseases, and the preventable deaths of over 800.000 people each year. Moreover, almost 500 million people lack access to toilets and sanitation systems. Ecosystems are estimated to be contaminated by 6.2 million tons of nitrogenous products from human wastewater management practices. It is therefore imperative to transform toilet and sewage systems to promote equitable access to water and sanitation, improve public health, conserve water, and protect ecosystems. Here, the integration of emerging technologies in toilet and sewage networks to repurpose toilet and wastewater systems is reviewed. Potential applications of these systems to develop sustainable solutions to environmental challenges, promote public health, and advance person‐centered healthcare are discussed.

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Section: Preventing Ecosystem Contamination and Repurposing Urinementioning

confidence: 99%

“…Additionally, when no‐mix toilets leveraging the teapot phenomenon were installed in shared bathrooms, it was demonstrated that urine and nitrogen separation was influenced by hygiene practices. [ 16 ]…”

Section: Sustainable Solutions To Environmental Challengesmentioning

confidence: 99%

Repurposing Sewage and Toilet Systems: Environmental, Public Health, and Person‐Centered Healthcare Applications

Yigci,

Bonventre,

Ozcan

et al. 2024

Global Challenges

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Perception of urine diverting dry toilet and baobab cultivation in Adaklu District of Ghana

Horlu,

Egbadzor,

Afetorgbor

et al. 2024

Sustainable Environment

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Women's toilet use behaviors and water use in a urine diversion squat pan toilet pilot

Morrison,

Milliken,

Shurgot

et al. 2024

Journal of Water, Sanitation and Hygiene for Development

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Understanding user behavior is critical to the adoption of technology; however, there is a paucity of data related to gender-specific sanitation practices and water-use patterns in toilet use despite the global imperative to increase attention toward the needs of women and girls. This user-focused study sought to understand the role of women's behavior related to the urine diversion performance of a novel toilet design. Forty-one female users of urine diversion toilets installed in two shared bathroom sites in Coimbatore, India, were surveyed about their behavior during toilet use. About 32% of respondents reported behaviors that reduce urine separation efficiency in this system, including aiming urine directly into the hole of the squat pan instead of the ceramic surface (15%); facing backwards (12%); squatting only part way down (7%); and pouring water onto the pan while urinating (5%). Separately, 88% of respondents use available water to clean the floor around the toilet, a practice that may alter the relative volumes of generated blackwater and graywater. These findings may aid the design of future sanitation solutions. Most respondents did not identify the specific toilet design as different from conventional ones, suggesting that these behaviors may apply to broader use cases.

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Sensor-based evaluation of a Urine Trap toilet in a shared bathroom

Cited by 4 publications

References 22 publications

Repurposing Sewage and Toilet Systems: Environmental, Public Health, and Person‐Centered Healthcare Applications

Repurposing Sewage and Toilet Systems: Environmental, Public Health, and Person‐Centered Healthcare Applications

Perception of urine diverting dry toilet and baobab cultivation in Adaklu District of Ghana

Women's toilet use behaviors and water use in a urine diversion squat pan toilet pilot

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