Cement manufacturers offer up 'ambitious and interesting' plan to cut emissions: use less cement
Equipment used to capture carbon dioxide emissions at a coal-fired power plant owned by NRG Energy where carbon collected from the plant will be used to extract crude from a nearby oilfield in Thomspsons, Texas.Cement, which acts as a glue that holds concrete together, creates a challenge for global net-zero ambitions. Cement creates a large amount of carbon dioxide and is the second-most widely used material in the world, next to water. No one expects it will be phased out anytime soon.
Carbon capture could also come into play, and Canadian cement producers are certainly hoping the technology will take a bite out of their emissions. Last month, Germany’s Heidelberg Materials announced it is, at a cost of $1.36 billion, to which the Canadian federal government is expected to contribute a substantial amount. That would knock out close to one million tonnes per year of carbon dioxide if operational by 2026 — about 20 per cent of the 5.
For example, cement manufacturers burn coal and petroleum coke, a byproduct of oil refining, to achieve the required heat in the kiln. Switching to natural gas is more expensive, but less carbon intensive. In the future, the industry hopes to find even less carbon intensive alternatives to fossil fuels.Article content
Auer said using new cement blends, including Portland-Limestone Cement, which is less carbon intensive, could lower emissions by 10 per cent. But cement also can be made using less clinker and substituting other materials with a lower carbon footprint. Likewise, concrete can be made using less cement.
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Cement manufacturers offer up 'ambitious and interesting' plan to cut emissions: use less cementCement Association of Canada\u0027s action plan says less cement and concrete will lead to substantial emission reductions. Find out more.
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Cement manufacturers offer up 'interesting' plan to cut emissions: use less cementCement Association of Canada\u0027s action plan says less cement and concrete will lead to substantial emission reductions. Find out more.
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