Separation and Recycling Potential of Rare Earth Elements from Energy Systems: Feed and Economic Viability Review
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Recycling of construction and demolition (C&D) waste is a promising option to conserve scarce landfill capacities, to reduce environmental impacts related to final disposal and to save primary mineral resources. In Switzerland, recycling of C&D waste is we ...
The objective of the Green Lighting project was to develop a High Performance Integrated Lighting System, based on advanced technologies for day- and electric lighting, achieving a Lighting Power Density (LPD) that does not exceed 3 W/m2. The project has r ...
The need for efficient and photostable lanthanide luminescent materials is dramatically increasing, in particular with respect to their growing application in lighting devices and biosciences. To this end, we have developed a facile synthesis of benzimidaz ...
In most industrialized countries the recycling of waste materials has increased considerably over the last few decades; however, through a focus on how to increase the amount of recycled waste, the economic nature of recycling has sometimes been neglected. ...
High-resolution x-ray absorption measurements reveal a rare-earth-dependent splitting of the Ni K edge in the insulating, charge-disproportionated state of the whole RNiO3 perovskite family. The splitting is five times larger for LuNiO3 [2.5(1) eV] than fo ...
The Allyloxycarbonyl (Alloc) moiety can be removed smoothly and selectively in good yield (73-100%) from allylic eaters, carbamates and carbonates by aqueous Pd (0) catalyzed allyl transfer to diethylamine in aqueous media employing a water soluble phosphi ...
With the development of object identification technology object tagging becomes more and more common. In this work we analyze how recycling processes can benefit from deployment of passive RFID tags and discuss how spreading small electronic chips in the e ...
The prodn. of lactic acid in a cell-recycle reactor was investigated. Studies were conducted with L. helveticus on a supplemented whey permeate medium. At 42 Deg and pH 5.5, the biomass was kept const. at 21.3 g/L. The volumetric lactic acid productivity w ...