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Bradley, J.E. (author), Auping, Willem L. (author), Kleijn, René (author), Kwakkel, J.H. (author), Sprecher, Benjamin (author)Tin is an important metal for society with a high risk of supply disruptions. It is, therefore, classified as a critical material in many parts of the world. An exception is the European Union, for which tin was classified as a non-critical material in 2023. However, there are many discrepancies in the literature regarding the definitions and...journal article 2024
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Gülck, Kim (author)This research delves into the challenging task of exploring secondary materials supply from existing building stocks, crucial for sustainable resource management in the face of climate change. Focused on Hamburg, Germany, the study employs a unique combination of GIS-based bottom-up building stock analysis and dynamic Material Flow Analysis ...master thesis 2023
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Molhuizen, Max (author)Battery electric vehicles (BEV) as opposed to internal combustion engine vehicles (ICEV) are seen as a viable solution for reducing transportation related environmental impacts. There are however advantages and disadvantages to both alternatives. Environmental life cycle assessments (LCA) are used to quantify the environmental lifecycle impact...master thesis 2023
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Lehnerdt, Luise (author)The global production of textiles carries a significant share in global greenhouse gas emissions, with a demand projected to grow. Especially for scope 3 emissions, materials play a significant role, with polyethylene terephthalate (PET) as a dominating fibre material with unique properties. Virgin PET based on fossil oil as the conventional...master thesis 2023
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Sileryte, R. (author), Wandl, Alex (author), van Timmeren, A. (author)With circular economy being high on governmental agendas, there is an increasing request from governing bodies for circularity measurements. Yet, currently existing macro-level monitoring frameworks are widely criticized for not being able to inform the decision-making. The criticism includes, among others, a lack of consensus on...journal article 2023
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McMahon, K.S. (author), Uchendu, Chidinma (author), Fitzpatrick, Colin (author)Understanding flows of resource-rich electrical and electronic equipment throughout its life cycle is increasingly important in the development of global circular economies, reflected by heavy legislative focuses on waste prevention and resource use efficiency. This research facilitates broader material flow analysis by characterizing flows...journal article 2023
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Noori, S. (author), Korevaar, G. (author), Stikkelman, R.M. (author), Ramirez, Andrea (author)Self-organized industrial symbiosis (IS) starts with one actor's decision to invest in a waste recovery plant and the other actors' decision to buy the recovered flow. Technical and institutional conditions of the cluster influence actors' decisions. This paper explores the emergence of IS collaborations in industrial clusters under different...journal article 2023
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van Oorschot, Janneke (author), Sprecher, Benjamin (author), Rijken, Bart (author), Witteveen, Pieter (author), Blok, Merlijn (author), Schouten, Nico (author), van der Voet, Ester (author)Buildings are an important part of society's environmental impacts, both in the construction and in the use phase. As the energy performance of buildings improve, construction materials become more important as a cause of environmental impact. Less attention has been given to those materials. We explore, as an alternative for conventional...journal article 2023
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Miranda Xicotencatl, Brenda (author), Kleijn, René (author), van Nielen, Sander (author), Donati, Franco (author), Sprecher, Benjamin (author), Tukker, Arnold (author)Life cycle assessment (LCA) databases and software evolve. We analyzed to which extent software and evolving life cycle inventory databases affect the comparison of technology alternatives, using a comparative LCA on permanent magnets as a case study, with two selected software tools: CMLCA and Brightway LCA. We migrated the system models...journal article 2023
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van der Meide, Marc (author), Harpprecht, Carina (author), Northey, Stephen (author), Yang, Y. (author), Steubing, Bernhard (author)Cobalt is considered a key metal in the energy transition, and demand is expected to increase substantially by 2050. This demand is for an important part because of cobalt use in (electric vehicle) batteries. This study investigated the environmental impacts of the production of cobalt and how these could change in the future. We modeled...journal article 2022
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Panasiuk, Daryna (author), Daigo, Ichiro (author), Hoshino, Takeo (author), Hayashi, Hideo (author), Yamasue, Eiji (author), Tran, Duc Huy (author), Sprecher, Benjamin (author), Shi, Feng (author), Shatokha, Volodymyr (author)The accumulation of impurities in the recycling of steel impacts the quality of secondary steel. Understanding impurity levels is crucial in the context of the proliferation of circular economy policies, expected high recycling rates, and growth of scrap consumption. By assuming the accumulation of impurities to be equal worldwide, the...journal article 2022
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Sprecher, B. (author), Verhagen, T. (author), Sauer, Marijn Louise (author), Baars, Michel (author), Heintz, John L. (author), Fishman, Tomer (author)Re-use and recycling in the construction sector is essential to keep resource use in check. Data availability about the material contents of buildings is significant challenge for planning future re-use potentials. Compiling material intensity (MI) data is time and resource intensive. Often studies end up with only a handful of datapoints. In...journal article 2021
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Harpprecht, Carina (author), van Oers, Lauran (author), Northey, Stephen A. (author), Yang, Y. (author), Steubing, Bernhard (author)The environmental benefits of low-carbon technologies, such as photovoltaic modules, have been under debate because their large-scale deployment will require a drastic increase in metal production. This is of concern because higher metal demand may induce ore grade decline and can thereby further intensify the environmental footprint of metal...journal article 2021
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Garcia Gutierrez, Jaime (author)In the recent years, the circular economy (CE) has emerged as an alternative to current linear economic models with prospects of achieving the decoupling of environmental impacts from economic growth. To this end, CE models focus on the permanence of products, materials, and value in the economy, eliminating as much waste as possible. In waste...master thesis 2020
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van Gameren, Lennart (author)Due to climate change, cities are expected to become subject to increasingly intense heat waves and precipitation. This calls for them to become more resilient towards such fluctuations. Green infrastructure is increasingly acknowledged as a means to enhance climate resilience, but cities – especially city centres – often lack the necessary...master thesis 2020
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van Baren, Sven (author)Assessing the human impacts on biodiversity is important for conserving biodiversity. Life cycle assessment (LCA) is a tool to assess the impact product service systems have on the environment. To critically asses the human impact of land use on biodiversity in LCA, characterisation factors (CF) are needed to translate area and type of land use...master thesis 2019
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Yao, Yue (author), Hu, Mingming (author), Di Maio, F. (author), Cucurachi, Stefano (author)Three-dimensional (3D) printing and geo-polymers are two environmentally oriented innovations in concrete manufacturing. The 3D printing of concrete components aims to reduce raw material consumption and waste generation. Geo-polymer is being developed to replace ordinary Portland cement and reduce the carbon footprint of the binder in the...journal article 2019
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Verhulst, Renske (author)The goal of this research is to identify barriers that hinder the development of phosphorus (P)<br/>recycling by the communal water chain. Insights into these barriers can lead to a better<br/>understanding of the situation and can lead to possible solutions to overcome the obstacles. The research shows that P recycling is a complex field with...master thesis 2017
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- Yang, N. (author) master thesis 2016
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Crock, W.D. (author)The Master's programme Industrial Ecology is jointly organised by Leiden University and Delft University of Technology. Neodymium applications, especially the neodymium-iron-boron (NdFeB) permanent magnet, have substantially enabled continuous miniaturization in the electronics sector and have become increasingly vital to electric mobility and...master thesis 2016
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