Used coffee grounds were charred at 350 degrees Celsius until they became a charcoal-like biochar. That material replaced 15 percent of the sand by volume in a concrete mix

inari@piefed.zip · 1 day ago

Used coffee grounds were charred at 350 degrees Celsius until they became a charcoal-like biochar. That material replaced 15 percent of the sand by volume in a concrete mix

shpuncle@lemmy.dbzer0.com · 19 hours ago

With an almost 30 percent in compressive strength, the amount of cement can also potentially be reduced. Anything is better than nothing, eh? Or should we deny anything that’s not everything?

Used coffee grounds were charred at 350 degrees Celsius until they became a charcoal-like biochar. That material replaced 15 percent of the sand by volume in a concrete mix

Used coffee grounds were charred at 350 degrees Celsius until they became a charcoal-like biochar. That material replaced 15 percent of the sand by volume in a concrete mix

Used coffee grounds were charred at 350 degrees Celsius until they became a charcoal-like biochar. That material replaced 15 percent of the sand by volume in a concrete mix, and the resulting concrete had 29.3 percent greater compressive strength than the control mix.