Carbon dioxide treatment of concrete upstream from product mold
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United States of America Patent
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Nov 15, 2016
Grant Date -
Nov 6, 2014
app pub date -
May 20, 2014
filing date -
Oct 25, 2012
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Abstract
Fresh concrete is treated with carbon dioxide prior to delivery to a product mold for forming concrete products. Carbon dioxide gas is directed through a manifold, which may be coupled to a feedbox or a hopper, upstream from the product mold. Treating the fresh concrete with the carbon dioxide gas while it is in a loose state prior to placement in the product mold may generally promote uniform and enhanced carbon dioxide uptake.
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