Alan Ambrose Posted August 25, 2023 Share Posted August 25, 2023 https://www.engadget.com/scientists-strengthen-concrete-by-30-percent-with-used-coffee-grounds-221643441.html That should save some money then 1 Link to comment Share on other sites More sharing options...
MikeSharp01 Posted August 25, 2023 Share Posted August 25, 2023 Clever / neat idea but I suspect @SteamyTea will tell you how much additional energy you are going to use in taking the coffee grounds up to 350DegC and then deduct form that the mass of concrete, and its carbon content, you won't need if the resulting concrete is 30% stronger. everything is connected to everything else! 1 Link to comment Share on other sites More sharing options...
Onoff Posted August 25, 2023 Share Posted August 25, 2023 A Maxwell House presumably? 1 Link to comment Share on other sites More sharing options...
SteamyTea Posted August 25, 2023 Share Posted August 25, 2023 29 minutes ago, Onoff said: A Maxwell House presumably? boom boom Link to comment Share on other sites More sharing options...
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