Interesting Engineering on MSN
Spent coffee grounds remove up to 98% of lead and metals from contaminated water
Researchers at Loughborough University show spent coffee grounds can remove up to 98% of lead and other heavy metals from ...
HIGHLAND PARK Fla. — A Florida nonprofit is on a mission to revive the state’s farmland with sustainability in mind. Biotech Applied Research is turning waste into “biochar,” a charcoal-like material.
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