Descrizione del progetto
Studiare la tossicità del litio e del cobalto nei sistemi acquatici
Lo sviluppo e la produzione delle batterie sono fondamentali per effettuare la transizione verso un’economia neutra in termini di emissioni di carbonio, il che determina un aumento della rigorosità dei requisiti relativi al litio e al cobalto. I processi minerari, infatti, rilasciano queste sostanze chimiche nell’ambiente acquatico. I sedimenti del sistema acquatico svolgono il duplice ruolo di fungere da fonti o da pozzi di assorbimento dinamici di questi elementi, in base alla variabilità delle condizioni ambientali. Il progetto CoLiBRI, finanziato dal programma di azioni Marie Skłodowska-Curie, si propone di approfondire la tossicità del litio e del cobalto in diverse condizioni ambientali. CoLiBRI analizzerà dettagliatamente l’impatto esercitato dalla temperatura e dal pH sulla distribuzione e sulle caratteristiche del litio e del cobalto, gli effetti tossici che si ripercuotono sul pesce zebra e i cambiamenti che si verificano nella comunità microbica associata al litio e al cobalto all’interno dei sedimenti.
Obiettivo
In the EU, transport is responsible for a quarter of greenhouse gas emissions. For the transition to a climate neutral economy, battery development and production strategies are thus important. By 2030, the EU expects an increased requirement of 18 times more lithium and 5 times more cobalt. These elements are released into the aquatic environment by mining processes and wastewater discharge. In aquatic systems, sediments are important and dynamic sinks or sources for such elements, depending on varying environmental conditions. The chemical state, bioavailability, and toxicity of these elements in aquatic systems is highly influenced by environmental parameters such as pH and temperature, which in turn are influenced by climate change. The goal is to investigate the toxicity of lithium and cobalt in aquatic systems under different environmental conditions. This will be addressed in 3 research objectives: 1) Investigation of the impact of temperature and pH on the distribution and chemical characteristics of lithium and cobalt within aquatic systems 2) Analysis of toxic effects of lithium and cobalt to zebrafish 3) Evaluation of lithium and cobalt related microbial community changes within the sediment. To address these objectives, we will perform a long-term exposure with zebrafish to selected sediments spiked with lithium and cobalt in an aquarium system capable of monitoring and regulating different water parameters. The toxicity will be determined with the zebrafish embryo toxicity test. Gene-expression analysis will reveal sub-lethal toxic effects of the selected elements. Bioaccumulation and content of lithium and cobalt in water and sediment will be quantified by ICP-MS. Changes in the sediment microbial community will be investigated by metagenome fingerprinting. With this interdisciplinary holistic approach we aim to improve environmental risk assessment of sediments contaminated with lithium and cobalt, particularly in regard to climate change.
Campo scientifico
- engineering and technologyenvironmental engineeringwater treatment processeswastewater treatment processes
- natural scienceschemical sciencesinorganic chemistryalkali metals
- natural scienceschemical sciencesinorganic chemistrytransition metals
- natural sciencesearth and related environmental sciencesatmospheric sciencesclimatologyclimatic changes
- medical and health sciencesclinical medicineembryology
Programma(i)
- HORIZON.1.2 - Marie Skłodowska-Curie Actions (MSCA) Main Programme
Meccanismo di finanziamento
HORIZON-AG-UN - HORIZON Unit GrantCoordinatore
70182 Orebro
Svezia