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PHNX Materials has devised a way to strip fly ash of sulfur and aluminum, impurities that concrete companies would rather ...
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US firm turns toxic coal ash into powerful cement, cuts CO2 emissions by 30%A US-based startup focused on recycling coal ash, reducing cement emissions, and decarbonizing the concrete industry has ...
Because cement emits large amounts of CO₂ — both from the high-temperature kilns used in its production and from the chemical ...
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