Structure built with new low-carbon cement unveiled at Dublin event

Résumé détaillé

A new low-carbon cement capable of significantly cutting CO2 emissions from the construction sector was showcased at an event in Dublin on Wednesday. A consortium including home…

A new low-carbon cement capable of significantly cutting CO2 emissions from the construction sector was showcased at an event in Dublin on Wednesday.

A consortium including home builder Cairn Homes, concrete supplier Kilsaran, University College Dublin (UCD) and Irish low-carbon cement company Ecocem unveiled a “scale demonstrator” of Ecocem’s new low-carbon cement technology.

The two-storey stand-alone structure was put on display at Cairn’s innovation hub at Seven Mills in Dublin 22.

Ecocem developed its low-clinker cement technology over more than 10 years at its research and innovation centre near Paris. Clinker is the main ingredient in traditional cement.

The new product has been shown to deliver up to 70 per cent lower CO2 emissions than conventional European cement “while integrating with existing cement manufacturing, concrete production and construction processes,” the consortium said.

“Importantly, it has been designed to be cost-competitive with conventional cement and does not carry a green premium,” it said.

Ecocem, in partnership with French company CB Green, has secured French government backing for a new €50 million ACT (advanced cement technology) production plant in Dunkirk, which is expected to be operational next year with an annual capacity of 300,000 tonnes.

The company’s low-carbon cement has already been deployed across more than 40 projects in Europe, including a 150-unit residential complex near Paris.

The demonstrator structure and the collaboration between Ecocem, Cairn, Kilsaran and UCD were part-funded by a €50,000 award from Construct Innovate’s Seed Fund.

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