GLOBEALERT
SCI & TECH● LOWSep 6 · Sep 6, 2026, 1:09 PM

Coffee remains heated to 350 degrees Celsius are converted into a charcoal that can replace part of the sand in a concrete mix for construction: the resulting material presented 29.3% greater resistance

Clarín · global

Researchers transformed coffee waste into a type of biochar capable of replacing part of the sand used in concrete.

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