AndronETalksNews
AndronETalksNews
New Atlas
By Paul McClure
August 22, 2023
Researchers have found that concrete can be made 30% stronger by replacing a percentage of sand with spent coffee grounds, an organic waste product produced in huge amounts that usually ends up in landfill. The method also reduces the use of natural resources like sand, further contributing to a greener circular economy approach to construction.
It’s estimated that, worldwide, the total amount of spent coffee grounds (SCG) produced annually is 60 million tons (54 million tonnes), making it the most abundant waste generated in coffee preparation. Traditionally, most of those coffee grounds end up in landfill.
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