Searched for: faculty%3A%22Civil%255C+Engineering%255C+and%255C+Geosciences%22
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Chen, Z. (author)
The drinking water distribution network is a sealed and pressurized system which attached numerous biofilm and microorganism due to the long-time operation. In a foreseeable future, Oasen will adopt reverse osmosis to treat drinking water and thus the nutrient (biodegradable compounds) in drinking water will be slight. In that case, biofilms...
master thesis 2016
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Kramer, O. (author), Jobse, M.A. (author), Baars, E.T. (author), van der Helm, A.W.C. (author), Colin, M.G. (author), Kors, L.J. (author), van Vugt, W.H. (author)
Softening at drinking water treatment plants is often realised by fluidised bed pellet reactors. Generally, sand is used as seeding material and pellets are produced as a by-product. To improve to sustainability, research has been carried out to replace the seeding material by re-using grained and sieved calcite pellets as seeding material. An...
conference paper 2015
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Admiraal, M. (author), Couasnon, A. (author), Huijzenveld, T. (author), Hutten, R. (author), Schölvinck, O. (author), Van Veen, N. (author)
In Nicaragua, active research for arsenic started in 1996, after the first case of arsenic poisoning was reported in a rural community. Arsenic concentrations present in drinking water cause chronic poisoning, which depending on the exposure, lead to several life-threatening long term effects. It is however unknown to what extent this...
student report 2015
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Van der Helm, A.W.C. (author), Bhai, A. (author), Coloni, F. (author), Koning, W.J.G. (author), De Bakker, P.T. (author)
lecture notes 2015
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Van der Helm, A.W.C. (author), Bhai, A. (author), Coloni, F. (author), Koning, W.J.G. (author), De Bakker, P.T. (author)
Three years after Zaatari camp was established in the Hashemite Kingdom of Jordan, to host Syrian refugees, its population has grown to 82,000 persons. Zaatari is one of the largest refugee camps in the world, in one of the most water scarce areas on earth. Since its establishment, drinking water has been delivered by trucks to communal...
conference paper 2015
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Schoonenberg Kegel, F. (author)
Aeration and rapid sand filtration are common practice for the treatment of iron, manganese and ammonium containing ground water for more than a century. Nevertheless, this process has not become obsolete. On the contrary, this thesis assumes that enhanced rapid sand filters remain standard treatment technology in the 21st-century. Iron can be...
master thesis 2015
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Wessels, P.H. (author)
Oasen has set itself the goal to “produce water of an impeccable quality and to delivery it flawlessly to its customers”. In formulating this goal, Oasen expresses its concern for unknown pollutants and the increasing concentrations of organic micro-pollutants in its source waters (primarily anaerobic groundwater). To achieve this goal, the...
master thesis 2014
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Moerman, A. (author)
Domestic drinking water systems are the final stage of the transport process to deliver potable water to the customers tap. Although these systems play an important role in drinking water quality only several researches on the edge of residence time and temperature were performed during the past. These two parameters play an important role in...
master thesis 2013
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De Groot, F.H.M. (author)
In this master thesis research the influence of the variation in the natural water quality matrix on advanced oxidation processes, considering organic micropollutant degradation and bromate formation, has been recearched with a pilot plant installation at drinking water company Dunea. The pilot plant installation consists of serial peroxone (O3...
master thesis 2013
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Ross, P.S. (author), Van der Helm, A.W.C. (author), Van den Broeke, J. (author), Rietveld, L.C. (author)
The application of ozone in water treatment serves many purposes, such as disinfection, degradation of organic micro-pollutants and oxidation of taste, odour and colour producing compounds. A commonly used method to determine the disinfection capacity of ozonation is calculating the exposure of pathogens to ozone, this capacity is expressed as...
conference paper 2012
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Mostert, E. (author)
Lecture notes in DUTCH for course CIE5500, providing a detailed overview of Dutch and European water law concerning surface and groundwater, the North Sea and the Wadden Sea, water services, flood protection, spatial planning, nature protection, water management organizations (e.g. the water boards), financing and legal protection....
journal article 2012
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Biesheuvel, C. (author), Van Rijn, R. (author), Geerling, R. (author), Kampshof, G.J. (author), Van der Heuvel, H.P. (author), Van Es, J. (author)
Novos Horizontes started seven years ago in Mozambique and is part of Communities of Fusion. The Communities of Fusion, in this report, includes: Novos Horizontes, Eggs for Africa, Rapale International School, Ebenezer College and Arcapula. All these organizations are located in one area (farm) and work together. The main activity of Novos...
student report 2012
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Bakker, M. (author), Verberk, J.Q.J.C. (author), Palmen, L.J. (author), Sperber, V. (author), Bakker, G. (author)
Half of all water supply systems in the Netherlands are controlled by model predictive flow control; the other half are controlled by conventional level based control. The differences between conventional level based control and model predictive control were investigated in experiments at five full scale water supply systems in the first half of...
conference paper 2011
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Van Halem, D. (author)
Arsenic contamination of shallow tube well drinking water is an urgent health problem in Bangladesh. Current arsenic mitigation solutions, including (household) arsenic removal options, do not always provide a sustainable alternative for safe drinking water. A novel technology, Subsurface Arsenic Removal, relies on the existing technology of...
doctoral thesis 2011
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Reijtenbagh, R. (author)
In 2008, the author has conducted a research study on behalf of the Caribbean Water Association on the consequences of the constitutional change of the Netherlands Antilles for the drinking water supply on Bonaire, St Eustatius and Saba (BES). This research study formed the basis for further research in the form of this MSc. thesis. Being the...
master thesis 2010
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Bertelkamp, C. (author)
Dunea Duin en Water provides drinking water for 1.2 million people in de western part of the province Zuid-Holland. As a source, for their drinking water production, surface water from the river Meuse is used. Organic micro pollutants (OMPs), although in extremely low concentrations, have occasionally been detected in the river Meuse. Obviously,...
master thesis 2010
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Yuan, X. (author)
Stimela is an environment for standardized mathematical models of drinking water treatment processes. It can be used to predict the future water treatment situation which may happen or change. In water treatment plant Wim Mensink, the Stimela model train was set up to compare with other alternative water control strategies. Before starting the...
master thesis 2009
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Van der Laan, H. (author)
High concentrations of arsenic in drinking water form a major threat for public health in more than 70 countries worldwide. The situation is Bangladesh is seen as the worst incidence of arsenic poisoning: it is believed that 30 million people in Bangladesh are exposed to an arsenic concentration exceeding 50 ?g/L. Recently subsurface treatment...
master thesis 2009
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Van Overveld, P. (author)
Organic micropollutants, like pesticides and pharmaceuticals, are frequently detected in surface water as a result of emissions from sources like agriculture, industry and households. Surface water is an important drinking water source. Due to their specific physical and chemical properties, micropollutants cannot be completely removed in...
master thesis 2008
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Salmin, A. (author)
In Suriname groundwater is mostly used for drinking water production. Depending on the ground layers from which groundwater is extracted, groundwater is characterized as aggressive water. The disadvantage of aggressive water is its ability to cause corrosion of metal pipelines and cement bound materials. In drinking water practice this water...
master thesis 2008
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