Sound a bit far fetched?
Given that cement, the backbone of almost all of mankind's basic building blocks, accounts for some 5% of global CO2 emissions (that's more than the entire aviation industry), any breakthrough in reducing the cement industry's emissions ought to be very welcome.
Well, step forward a new cement from Novacem that not only reduces CO2 emissions during production, it also absorbs CO2 as it hardens, arguably making it carbon negative. Full story from Aggregate Research.
"Novacems cement, based on magnesium silicates, not only requires much less heating, it also absorbs large amounts of CO2 as it hardens, making it carbon negative. "
It will be very interesting to see just what the EnviROI of this new product might be, but it sounds to me like it could be a BIG winner, not just for Novacem, but also for the environment.
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