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This book covers a new frontier of research in Critical Materials that provides insight in terms of the possible sustainable mitigation strategies, the complexity, broadness and multi-disciplinarity of the subject. By exploring in both "systems view" and "in-depth materials view" in the light of circular economy, this book tackles the problem of...
book 2019
document
Bakker, C.A. (author), den Hollander, M.C. (author), Peck, David (author), Balkenende, R. (author)
For product designers, the world has traditionally been one of resource<br/>abundance. Introducing them to a resource-constrained world thus<br/>requires new design strategies. This chapter explores how embedding<br/>circular economy principles into design practice and education could<br/>help product designers take critical material problems...
book chapter 2019
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Voncken, J.H.L. (author), Buxton, M.W.N. (author)
Sustainability is often defined as: the ability to continue a defined behavior indefinitely. However, considering the nature of mining operations, this cannot be meant with the phrase “Sustainability in Mining”. Sustainability in the mining industry should be understood in the same way as sustainability in environmental science: meeting the...
book chapter 2019
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Peck, David (author)
The tensions around limits to growth versus tech will fix it are, today, as prominent as ever in the debates around critical materials. Changes in the demand and supply of materials has regularly led to periods of material supply problems. This chapter provides an overview of the development of critical materials from the mid-20th into the early...
book chapter 2019
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Offerman, S.E. (author)
A growing world population and rising levels of prosperity are driving up the global demand for energy and materials and are increasing the negative impact on the environment. Challenges related to energy use, materials consumption, and climate change are closely intertwined. On the one hand, producing materials consumes about 21% of global...
book chapter 2019
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Bakker, M.C.M. (author)
Efficient mechanical and sensor-based separation of mixed solid waste into valuable secondary materials is a critical step in recycling and in the preservation of primary resources. To position the associated research field, we discuss backgrounds and links to societal and political developments within and outside the classical waste chain. An...
book chapter 2019
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Kelder, E.M. (author)
The global quest for intermittent renewable energy sources (wind, solar), consumer goods (mobile phones, notebooks), and electrification of the transport sector (electric vehicles), requires a strong increase in the use of rechargeable energy storages devices, such as batteries. Hence, novel types of rechargeable batteries are to be found that...
book chapter 2019
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Yang, Y. (author)
Metals are important engineering materials, and are produced from non-renewable natural resources. This chapter starts with the criticality and scarcity issue of metals and metal resources. Then various available extraction and refining technologies and processes are introduced for primary production and recycling of metals. The principles of...
book chapter 2019
document
Arechabaleta Guenechea, Z. (author), Offerman, S.E. (author)
The substitution of critical alloying elements in metals is a strategy to reduce the criticality of materials. Nano-steels are a novel grade of advanced highstrength steels that are suited for application in the chassis and suspension of cars and as fire-resistant steel in high-rise buildings. The high strength and ductility per unit mass make...
book chapter 2019
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Borra, C.R. (author), Blanpain, Bart (author), Pontikes, Yiannis (author), Binnemans, Koen (author), Van Gerven, Tom (author)
The management of bauxite residue (BR) is a major issue for the aluminum industry because of its high alkalinity and the large volumes generated. Therefore, the recovery of rare earth elements (REEs) with or without other metals from BR and utilization of the generated residue can contribute to a solution on the management problem of BR and it...
book chapter 2019
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Welink, J.H. (author)
In order to recycle or re-use products that contain Critical Raw Materials (CRMs), these products have to be collected from consumers and professional organizations (e.g. businesses) first. Waste Electrical and Electronic Equipment (WEEE) is collected for economical, environmental, and public health and safety reasons. Lessons can be learned...
book chapter 2019
document
Hoonhout, B.M. (author), de Vries, S. (author), Cohn, N (author)
Supply-limiting factors, like moisture content and sediment armoring,<br/>influence coastal aeolian sediment transport and subsequently dune evolution<br/>significantly. We organized a 6-week field experiment on the influence of<br/>spatiotemporal variations in supply on coastal aeolian sediment transport at the<br/>Sand Motor, The Netherlands....
conference paper 2015
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de Vries, S. (author), Harley, Mitchell D (author), de Schipper, M.A. (author), Ruessink, Gerben (author)
The development of dunes is characterized by the alternating effects of erosion during storm events and growth during milder conditions. The quantification of dune growth due to aeolian processes has received some attention but uncertainty remains on where the dune sand, which accommodates growing dunes, originates from in the coastal profile....
conference paper 2015
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Trung, L.H. (author), Van der Meer, J.W. (author), Verhagen, H.J. (author)
Little is known about the strength of the land-side slopes of the Vietnamese sea dikes under overtopping attack. Some grass-covered slopes were tested by a wave overtopping simulator. The paper describes the simulator and presents the test results. The tested grass covers could withstand overtopping rates varying from 20 l/s to 100 l/s per meter...
journal article 2014
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Rajabalinejad, M. (author)
conference paper 2012
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Maas, J. (author), Van Neerven, J.M.A.M. (author)
journal article 2008
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Bosman, G. (author), Van der Meer, J.W. (author), Hoffmans, G. (author), Schüttrumpf, H. (author), Verhagen, H.J. (author)
Recently, formulae have been derived for maximum flow depths and velocities on the crest and inner slope of dikes or levees at wave overtopping. Two independent physical model test programs in different wave flumes showed, however, a large difference in the results. The present paper clarifies this discrepancy and shows that the empirical...
conference paper 2008
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De Rover, R. (author), Verhagen, H.J. (author), Van den Berge, A. (author), Reedijk, B. (author)
The effect of single layer interlocking armour unit breakage on the hydraulic armour layer stability and potential damage progression is addressed in this paper. A 2-dimensional scale model of a rubble mound breakwater with an armour layer consisting of Xbloc armour units was tested. The residual armour layer stability with broken units was...
conference paper 2008
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Verhagen, H.J. (author), Van Vledder, G.P. (author), Eslami Arab, S. (author)
Modern design formula for coastal structures (like rock stability formula and overtopping formula use wave parameters (H2% and Tm-1,0) which are not readily available from standard boundary condition wave data. For transforming values like Hs and Tp to the parameters used in the new formulas, often-fixed conversion factors are used. However,...
conference paper 2008
document
Louwersheimer, W.F. (author), Verhagen, H.J. (author), Olthof, J. (author)
During the construction of the first Dutch offshore wind farm prototype measurements were performed. These measurements were aimed to monitor the behaviour of the granular filter layer of the scour protection around the mono-piles upon which the wind turbines are founded. These measurements were compared to scale model test results and...
conference paper 2007
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