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Berg, Koos (author)Poor sanitation is a challenge around the world, more than 2 billion people lack access to basic sanitary facilities like a toilet. In Ghana, it is estimated 25% of children under the age of five die because of diarrhea. A disease that often can be prevented by providing hygienic sanitation facilities. Tackling the problem across the whole of...master thesis 2021
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Vlasblom, Chris (author)It is time to break the taboo on something that every person does every day: excretion. Using the toilet for micturition and defecation is familiar to everyone. However, discussing personal troubles with going to the toilet is frowned upon. Constipation complaints and urine retention are common, especially among the elderly. There are multiple...master thesis 2021
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Loth, M. (author)Humans are travelling, and they may need a toilet on the go. <br/>However, they try to avoid this toilet because they perceive it as being dirty.<br/>This research project improved the Dutch train toilet's hygiene by reducing physical, mental, and social distances between toilet, dirt, and train travellers.doctoral thesis 2021
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Pereira Espíndola, S. (author), Pronk, M. (author), Zlopasa, J. (author), Picken, S.J. (author), van Loosdrecht, Mark C.M. (author)Wastewater solids could be an attractive source of secondary raw cellulose, mainly originating from toilet paper. Cellulose can be recovered through sieving of raw wastewater, return sludge, or excess sludge. In particular, a large fraction of cellulose (13–15%) can be found in the excess sludge of the aerobic granular sludge produced by the...journal article 2021
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Kusumawardhana, Agung (author), Zlatanovic, L. (author), Bosch, Arne (author), van der Hoek, J.P. (author)The aim of this study was to assess the health risks that may arise from the implementation of greywater reuse and rainwater harvesting for household use, especially for toilet flushing. In addition, the risk of cross connections between these systems and the drinking water system was considered. Quantitative microbial risk assessment (QMRA) is...journal article 2021
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Wang, Yu (author)The topic of this project is exploring design directions towards a smart private-bathroom service/product. It is often the case that a bathroom is used by multiple people after each other. An unclean bathroom environment can hinder the user experience. The shared bathroom also involves a peak usage issue. These two points will cause...master thesis 2019
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Valente, Yara (author)Society is stuck in daily routines, led by social norms and conventions. Often we are unaware of this, while life can be much richter if we would subvert from these routines every once in a while. These routines prevent us from seeing everything that there is. Our expectations need to be subverted. <br/><br/>Usually it is reserved for artists to...master thesis 2019
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Loth, M. (author), Molenbroek, J.F.M. (author), van Eijk, D.J. (author)BACKGROUND:<br/>The train toilet can form a barrier for those wishing to travel by train as it is perceived as being dirty, and therefore its use as being unpleasant. In addition, Dutch train toilet users have the additional issue of storing their hand<br/>luggage in the toilet’s confined space.<br/>OBJECTIVE:<br/>In this article, we examine the...journal article 2018
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Ghasimi, S.M.D. (author), Zandvoort, Marcel H. (author), Adriaanse, Michiel (author), van Lier, J.B. (author), de Kreuk, M.K. (author)Sewage fine sieved fraction (FSF) is a heterogeneous substrate consisting of mainly toilet paper fibers sequestered from municipal raw sewage by a fine screen. In earlier studies, a maximum biodegradation of 62% and 57% of the sewage FSF was found under thermophilic (55 °C) and mesophilic (35 °C) conditions, respectively. In order to research...journal article 2016
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Liu, Xiaoming (author), Dai, Ji (author), Wu, Di (author), Jiang, Feng (author), Chen, Guanghao (author), Chui, Ho Kwong (author), van Loosdrecht, Mark C.M. (author)Global water security is a severe issue that threatens human health and well-being. Finding sustainable alternative water resources has become a matter of great urgency. For coastal urban areas, desalinated seawater could serve as a freshwater supply. However, since 20%–30% of the water supply is used for flushing waste from the city,...journal article 2016
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Chang, S.F.S. (author)The topic of this graduation project is the design of “Olla-on-the-Move”, the name given to a toilet on the move, for cancer patients undergoing chemotherapy. Working together with the host company, Pharmafilter B.V., the starting point was to design a product or product-service system to “[p]rovide a hygienic and dignified program of care for...master thesis 2013
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Leuzzi, F.L. (author)Sanitation is a taken for granted theme in most of the Western Country, but it is a serious issue nowadays. We can count on modern water supply systems and efficient sewage systems but only few of us know what is happening in remote areas of the underdeveloped countries. Sanitation is a central matter for people living in rural areas, where the...master thesis 2012
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Melgarejo Fuentes, M.A. (author)Around 2.6 billion people in the world do not have access to proper sanitation solutions, leading to many social, economical and health related problems. This report elaborates on “Clean Alliance” a product-service-system based in the provision of adaptable toilet booth availability supported by a waste processing Mini Multi Product Plant (MMPP)...master thesis 2012
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Loth, M. (author), Molenbroek, J.F.M. (author)This paper presents the results of a study about hygiene in train toilets. The central problem is that with the existing train toilet design and the different groups of users it is impossible to keep the train toilet clean. In a conventional train, it is especially difficult for men to urinate without spilling urine outside the bowl while...conference paper 2011
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Genoves, J. (author)The present project is about making the toilet more water efficient. Standard toilets use 15 times more drinking water per day than a human does. The proposed concept is a toilet based on the waste separation principle. Considering that each type of human waste requires different amount of water to be flushed away, the new toilet adapts to male...master thesis 2011
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Louts, T.E. (author)This report describes the research and design process resulting into MooVe?, a train toilet concept designed to increase user involvement in maintaining toilet cleanliness. As a master thesis project, the process was carried out at the Product Development department of NS [Dutch Railways] in Utrecht. » The department sets new train...master thesis 2011
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Van Dijk, J.F. (author)This report describes the development of the new Vetus marine toilet concept proposal, the Fix&GO, for the Dutch aftermarket of do-it-yourself small cabin motor yacht owners. The Fix&GO marine toilet combines comfort, cleanability and serviceability in a unique way. It brings comfort into the limited marine lavatory while also providing ease and...master thesis 2010
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Van Oord, P.J.D. (author)On average, each person visits the toilet 8 times a day. Each day, 15 minutes are spend on a toilet. Therefore no one can deny the important role of toilets. This project scrutinizes toilets in public spaces. The development of mass produced cheap material public toilets, placed at the wrong locations, has lead to many problems. Problems such as...master thesis 2010
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Dekker, D. (author), Buzink, S.N. (author), Molenbroek, J.F.M. (author), De Bruin, R. (author)Improving the toilet environment holds promises for increasing the quality of life for elderly and disabled persons. This is one of the goals of the Friendly Rest Room (FRR) project. The study described in this article explored the preference and use of supports in the toilet environment during the entire toilet ritual. An adjustable test frame...journal article 2005