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CO2Slag Cement

Financiado

Co-utilizing CO2 and metallurgical wastes for carbon-negative cement: science, t...

Co-utilizing CO2 and metallurgical wastes for carbon-negative cement: science, technology, life-cycle impact assessment, end-of-life reuse, and process exploitation Nearly 580 million tonnes per year (Mt/y) of ferrous metallurgical slags (FMS) are produced as by-products of iron, steel, and alloy production. The accelerated reaction of CO2 with Ca/Mg present in these FMS can result in the for... ver más

27/02/2026

UOULU

269K€

Presupuesto del proyecto: 269K€

Líder del proyecto

OULUN YLIOPISTO No se ha especificado una descripción o un objeto social para esta compañía.

TRL 4-5

Ver 3 Participantes

Financiación concedida El organismo HORIZON EUROPE notifico la concesión del proyecto el día 2022-08-01

Línea de financiación objetivo El proyecto se financió a través de la siguiente ayuda:

HORIZON-MSCA-2021-PF-01-01: MSCA Postdoctoral Fellowships 2021

I+D

Cerrada hace 3 años

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3 Participantes

UOULU

269.42K€ | Lider

Keko Geopolymeerit Oy

N.D. | Participante

ETH Zürich

N.D. | Participante

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Últimas noticias

01-12-2024: REDES En las últimas 48 horas el Organismo REDES ha otorgado 1337 concesiones

01-12-2024: IDAE En las últimas 48 horas el Organismo IDAE ha otorgado 4 concesiones

01-12-2024: AEI En las últimas 48 horas el Organismo AEI ha otorgado 23 concesiones

Duración del proyecto: 42 meses Fecha Inicio: 2022-08-01
Fecha Fin: 2026-02-27

Líder del proyecto

OULUN YLIOPISTO

TRL 4-5

Presupuesto del proyecto 269K€

Descripción del proyecto Nearly 580 million tonnes per year (Mt/y) of ferrous metallurgical slags (FMS) are produced as by-products of iron, steel, and alloy production. The accelerated reaction of CO2 with Ca/Mg present in these FMS can result in the formation of Ca/Mg-carbonates, offering a relatively simple and low-energy pathway for CO2-abatement. This CO2-mineralization process has the capacity to directly sequestrate ~140 Mt-CO2/y globally, leading to the potential availability of ~720 Mt/y of carbonated-FMS as a by-product. The carbonated-FMS are expected to be rich in amorphous alumina-silica and Ca/Mg-carbonates: when used in combination with Ordinary Portland Cement (OPC), they are expected to form a composite cement similar to the presently marketed Limestone-pozzolana-OPC cement. In this context, this study focuses on the utilization of the carbonated-FMS to produce low-carbon cement with potential CO2-avoidance of ~500 Mt-CO2/y. To maximize the cementitious reactivity, the carbonation mechanism will be studied using different types of FMS and synthetic analogues of the major Ca/Mg-rich minerals present in them. The CO2-mineralization process and environment will be optimized to maximize the cementitious reactivity of carbonated-FMS by controlling their phase compositions, microstructures, and morphologies. When introduced as supplementary cementitious material (SCM), its hydration reaction with OPC will be studied to maximize its utilization potential. For the final mortar/concrete products containing carbonated-FMS, the environmental leaching will be studied. Moreover, pathways for the end-of-life recycling of the product will be analyzed through cradle-to-cradle scenario analyses. Finally, for easy acceptance by the practitioners, the product will be subjected to detailed life-cycle analyses and environmental impact assessments.

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