Aggregate Harvest

New processing methods economically recover C33-grade material from construction, demolition and excavation waste streams One of the newest instances of circular economy principles impacting concrete materials is recovery of sand & gravel from inert or contaminated soils tied to construction, demolition and excavation. Investors in next generation wash and classification plants aim to tackle new transportation and environmental economics forcing…

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Emissions Reduction challenge funds Solidia, CarbonCure expansion

Sources: Solidia Technologies, Piscataway, N.J.; CarbonCure Technologies, Halifax, N.S.; CP staff

Two leading developers of carbon dioxide-based processes for concrete production, curing and portland cement substitution or optimization are among four entities advancing to Innovative Carbon Use, round two of Emissions Reduction Alberta’s (ERA) $35 million international ERA Grand Challenge.

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