Etude de faisabilité d’un processus de biolixiviation pour le recyclage des métaux et terres rares contenus dans les téléphones portables.
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The increasing demand for heat, electricity, fuels and chemicals is pushing naturalresources towards a non-reversible situation. Current solutions have to be adapted,and alternative (desirably sustainable) sources have to be found. With growth as-sured due ...
Institute of Thermal Technology, Silesian University of Technology2019
This is the first account of the history of our understanding of, and ability to model, solidification microstructures. Its objective is to retrace the scientific steps made, from the earliest observations of the eighteenth century to our present-day under ...
WEEE is Waste Electrical and Electronic Equipment and its proper treatment is one of the challenges Europe is facing, because of economically essential materials recovery and of proper treatment of environmentally critical components they contain (CFC, PCB ...
Paul Scherrer Institute, World Resources Forum2019
The extraction, supply, market price and recycling of the metals used for superalloys were modelled using the systems dynamics model WORLD6. Peak production per capita (Supply Security) and stock-in-use per capita (Utility of Use) as well as resource stock ...
Paul Scherrer Institute, World Resources Forum2019
Changing consumption patterns and global population growth lead to ever-increasing waste generation. Human activity and waste generation are irrevocably linked, and the current situation thus calls for a more circular approach to waste management, where wa ...
The metal contents of ocean floor nodules, crusts and massive sulphides was estimated and an assessment of their commercial extractability were conducted. The metals considered were iron, manganese, copper, nickel, cobalt, molybdenum, platinum, gold and si ...
Paul Scherrer Institute, World Resources Forum2019
The total municipal solid waste (MSW) generated worldwide in 2012 was approximately 1.3 billion tonnes. Were all countries to continue to generate waste at the current rate of high-income countries, total waste generation could reach 5.9 billion tonnes by ...
Incomplete discharge of waste materials into the environment is of concern due to its slow degradability, highly soluble and biomagnification features in animals and plants. Conventional treatment techniques include chemical precipitation, ion-exchange, re ...
Agroresidues are the waste by-products of agricultural crops and agroindustries. The generation of these waste materials poses disposal issues that lead to environmental and economic concerns. These issues could be addressed by utilizing these waste materi ...
A robust and economically viable technology is under development for the recycling of technologically important rare earth (RE) metals from end-of-life lamp fluorescent powder (FP) e-waste. This is one of the first efforts to recycle RE from municipal e-wa ...