Completion of Pilot Challenge: Lafarge and Geocycle Canada Efficiently Produce Clinker from Recycled Minerals



A pilot undertaking on the Lafarge Brookfield Cement Plant in Nova Scotia, in partnership with Geocycle Canada, has been accomplished, producing high-quality clinker product of recycled minerals recovered from waste sources. The method can doubtlessly scale back CO2 ranges by 60 p.c per ton of clinker.

Clinker is the principle ingredient in cement, which, in flip, is the lively ingredient in concrete. Extra concrete is offered than all different constructing supplies mixed annually globally.

That is the first-ever pilot targeted on clinker manufacturing from recycled minerals in North America, and the second on the earth throughout the Holcim Group.

“Our groups have been tirelessly working in direction of discovering options to decarbonize our enterprise in Canada,” mentioned David Redfern, president and CEO, Lafarge Canada (East). “This new recycled minerals clinker combines operational excellence with round development, constructing new and inexperienced from what is taken into account outdated and waste. This can be a nice instance of how far we are able to go – the native group at Brookfield is definitely setting the tone for the trade in Canada.”

Lafarge Canada, Geocycle Canada, and the Holcim Group Modern Centre have collaborated for the previous yr on a one hundred pc round manufacturing of clinker on the Brookfield Plant. The brand new manufacturing technique includes substitution of virgin uncooked supplies with decrease carbon choices from waste sources and utilization of fuels from supplies in any other case destined for landfills. The optimistic industrial trial was carried out in February and cement from this clinker will likely be produced in spring for additional testing and improvement of the know-how.

“This new clinker product will likely be used to supply a one hundred pc recycled cement throughout this pilot, which can in flip be employed in prepared combine concrete operations to supply a one hundred pc recycled concrete product – advancing decarbonization and round development in Nova Scotia,” defined Andrew Stewart, Vice President, Cement, Lafarge Canada (East).

To supply one hundred pc recycled materials clinker, Geocycle Canada collaborated with waste and byproduct mills in Nova Scotia to safe an answer that contained the required parts.

“Our Inexperienced Development targets are repurposing industrial waste and by-products for the very foundations of our properties and different buildings, and that is how we contribute to the round economic system, ” mentioned Sophie Wu, Head of Geocycle North America.

Holcim’s Altkirch plant in France was the primary cement manufacturing facility on the earth to supply clinker made totally of recycled supplies in 2022. The Nova Scotia trial continues the corporate’s international dedication to enterprise decarbonization and funding in round development.



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