| People | Locations | Statistics |
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| Naji, M. |
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| Motta, Antonella |
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| Aletan, Dirar |
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| Mohamed, Tarek |
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| Ertürk, Emre |
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| Taccardi, Nicola |
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| Kononenko, Denys |
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| Petrov, R. H. | Madrid |
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| Alshaaer, Mazen | Brussels |
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| Bih, L. |
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| Casati, R. |
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| Muller, Hermance |
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| Kočí, Jan | Prague |
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| Šuljagić, Marija |
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| Kalteremidou, Kalliopi-Artemi | Brussels |
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| Azam, Siraj |
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| Ospanova, Alyiya |
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| Blanpain, Bart |
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| Ali, M. A. |
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| Popa, V. |
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| Rančić, M. |
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| Ollier, Nadège |
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| Azevedo, Nuno Monteiro |
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| Landes, Michael |
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| Rignanese, Gian-Marco |
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Meux, Eric
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (13/13 displayed)
- 2024Electroleaching and electrodeposition of silver in ethaline 1 : 2 and propeline 1 : 3: transport properties and electrode phenomena†
- 2023Propeline: a green alternative to Ethaline for electrochemical recovery of precious metals
- 2023Propeline : a new candidate for precious metal recovery 3rd International Meeting on Deep Eutectic Systems, Lisbonne, 19-22 juin 2023
- 2022Coupling electrochemical leaching and electrodeposition in ionic solvents for critical and precious metals recovery
- 2021Mass transport in Ionic Solvents during electrodeposition of gold and palladium
- 2021Greening effect of slag cement-based concrete: Environmental and ecotoxicological impactcitations
- 2021Electrochemical recovery of precious metals in Ionic Liquid mixtures or Deep Eutectic Solvents
- 2018Recovery of Metals from Secondary Raw Materials by Coupled Electroleaching and Electrodeposition in Aqueous or Ionic Liquid Mediacitations
- 2017Electrochemical recovery of platinum from spent proton exchange membrane fuel cells using ionic liquid melts
- 2016Direct recovery of cadmium and nickel from Ni-Cd spent batteries by electroassisted leaching and electrodeposition in a single-cell processcitations
- 2015Electroassisted leaching of black mass solids from Ni–Cd batteries for metal recovery: Investigation of transport and transfer phenomena coupled to reactionscitations
- 2015End-of-life nickel-cadmium accumulators: characterization of electrode materials and industrial Black Masscitations
- 2001Recherche d’un procédé hydrométallurgique de valorisation des poussières d’aciérie électriquecitations
Places of action
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article
Greening effect of slag cement-based concrete: Environmental and ecotoxicological impact
Abstract
Materials containing ground granulated blast furnace slag (GGBFS) display a transient green–bluecolor after demolding. This greening effect has been investigated for leaching behavior and ecotoxicological impact. Color of concretes and pure pastes containing GGBFS was assessed with a portable spectrophotometer, and samples were then submitted to a tank monolith leaching test. Ecotoxicological tests were conducted on reference sample and a green concrete sample at both natural and adjusted pH of 8.1. Main results support that the temporary greening effect of GGBFS-containing materials has no particular impact neither on the chemistry of leachates, nor ecotoxicity. Additionally, alkaline leachates are the main issue of leached cement or GGBFS based materials with pH around 11.5–12.5. Alkaline pH is a preponderant factor of ecotoxicity to sensitive organisms such as Daphnia magna, immobilization assay (48 h) resulting in 5.10 Toxic Units (TU) for reference sample at pH 12.50 against 1.38 TU at pH 8.10. Furthermore, sulfides are a specific issue of GGBFS materials concentrated up to 0.94 mmol m−2 in leachates, having an ecotoxic impact on living organisms at all trophic levels. At pH 8.10, green concrete leachates have 4.85 TU for Raphidocelis subcapitata growth assay (sulfides concentration of 0.63 mmol m−2) against 3.0 TU for green concrete sample. However, sulfides are easily removed from natural solution by oxidation or evaporation.