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CIRMET

Financiado

Circular hydrometallurgy for energy-transition metals

CIRMET will lead to a new approach to hydrometallurgy, called circular hydrometallurgy, with a focus on the design of energy-efficient flowsheets or unit processes that consume a minimum amount of reagents and produce virtually no... ver más

30/04/2028

KU Leuven

2M€

Presupuesto del proyecto: 2M€

Líder del proyecto

KATHOLIEKE UNIVERSITEIT LEUVEN No se ha especificado una descripción o un objeto social para esta compañía.

TRL 4-5

Financiación concedida El organismo HORIZON EUROPE notifico la concesión del proyecto el día 2023-04-27

ERC-2022-ADG: ERC ADVANCED GRANTS Scope:Objectives

I+D

Cerrada hace 2 años

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1 Participantes

KU Leuven

2.49M€ | Lider

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Duración del proyecto: 60 meses Fecha Inicio: 2023-04-27
Fecha Fin: 2028-04-30

Líder del proyecto

KATHOLIEKE UNIVERSITEIT LEUVEN No se ha especificado una descripción o un objeto social para esta compañía.

TRL 4-5

Presupuesto del proyecto 2M€

Descripción del proyecto CIRMET will lead to a new approach to hydrometallurgy, called circular hydrometallurgy, with a focus on the design of energy-efficient flowsheets or unit processes that consume a minimum amount of reagents and produce virtually no waste. CIRMET has the ambitious goal to replace the traditional, linear hydrometallurgical flowsheets for extraction and refining of the energy-transition metals cobalt and nickel into a next-generation, circular flowsheet, which (1) consumes no chemicals other than (green) hydrogen, water and carbon dioxide (taking advantage of the unique chemical properties of carbon dioxide); (2) uses the acid for the leaching process as a catalyst that is continually regenerated rather than consumed; (3) reduces the net consumption of acids and bases to virtually zero through ingenious manipulations of chemical equilibria via solvent extraction; and (4) comprises a virtually zero discharge of solid and liquid waste streams. As such, CIRMET can drastically reduce the environmental footprint of hydrometallurgical processes. To enable such circular flowsheets, a new theoretical chemical thermodynamic framework for multiphase electrolyte equilibria involving two immiscible liquids and innovative unit operations for sustainable metal and sulphur recovery are developed. Hydrometallurgical processes are approached from a molecular level. Liquid-liquid equilibria are modelled by Gibbs-energy-minimisation (GEM) methods, rather than by solving law-of-mass action (LMA) equations. The proof of concept of circular flowsheets is demonstrated for metal recovery from real, complex (rather than synthetic), impurity-bearing input streams: nickel laterites, cobalt-nickel sulphide ores, mixed hydroxide precipitate (MHP), and mixed sulphide precipitate (MSP). Only by combining these three mutually supporting spheres of innovation – (1) the thermodynamic framework, (2) the unit process level and (3) the general flowsheet sphere – can CIRMET be successful.

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