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CRYSTAL CLEAR

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CRYSTAL CLEAR determining the impact of charge on crystal nucleation

All of the crystals that form in water on Earth are formed through reaction between oppositely charged ions. In these crystals, the ions are present in an ideal, charge-balanced ionic ratio. In contrast, the natural solutions in w... ver más

30/06/2025

2M€

Presupuesto del proyecto: 2M€

Líder del proyecto

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

TRL 4-5

Fecha límite participación Sin fecha límite de participación.

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Financiación concedida El organismo H2020 notifico la concesión del proyecto el día 2019-02-06

ERC-2018-COG: ERC Consolidator Grant Scope:Objectives

I+D

Cerrada hace 7 años

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2 Participantes

2.00M€ | Lider

MAPRO SISTEMAS DE ENSAYO

1.03M€ | Participante

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Duración del proyecto: 76 meses Fecha Inicio: 2019-02-06
Fecha Fin: 2025-06-30

Líder del proyecto

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

TRL 4-5

Presupuesto del proyecto 2M€

Fecha límite de participación Sin fecha límite de participación.

Descripción del proyecto All of the crystals that form in water on Earth are formed through reaction between oppositely charged ions. In these crystals, the ions are present in an ideal, charge-balanced ionic ratio. In contrast, the natural solutions in which they form, contain widely diverging ionic ratios. When crystals nucleate from natural solutions, they will be charged, and charge has a massive impact on the behaviour of small new crystals. Most nucleation experiments have been conducted in solutions with charge-balanced ionic ratios. This leads to uncharged crystal formation, which can be described with nucleation theories based on uncharged gas condensation into droplets. My pilot data show that this does not apply when ionic ratios diverge. New crystals then form and grow much slower than expected. Similarly, in natural solutions, crystals are often expected to form, but they do not, and vice versa. Clearly, we still have no idea how, why and how fast crystals nucleate in Earth surface environments. In this project, I will test the hypothesis that ionic ratio has a dramatic impact on nucleation: crystals will be charged, and this charge will determine their size, how and how fast they grow, aggregate, and transform. I will conduct state-of-the-art experiments and analyses that will provide in situ knowledge of the impact of ionic ratio on the charge, size, growth, aggregation and transformation of nuclei. Experiments will be complemented with advanced modelling to derive charged-nuclei stability and surrounding water properties. The results will be assimilated in a new crystal nucleation theory. CRYSTAL CLEAR will focus on barite, calcite and pyrite as examples of highly relevant Earth Materials. The outcome will be improved geoengineering options such as drinking water production and CO2 sequestration. My project will bring a new vision on crystal formation in nature, with radically improved predictions of rates and mechanisms, and a paradigm shift in nucleation theory.

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