Even cement likes coffee

Organic products like coffee grounds can't be added directly to concrete because they leak chemicals that weaken the building material's strength. So using low energy levels the team heated coffee waste to over 350 °C (around 660 °F) while depriving it of oxygen.

https://www.sciencealert.com/scientists-discovered-an-amazing-practical-use-for-our-leftover-coffee-grounds

#cement
#CoffeeGrounds
#biochar
#sustainability

Scientists Discovered An Amazing Practical Use For Our Leftover Coffee Grounds

We could be producing concrete that's 30 percent stronger by processing and adding charred coffee grounds to the mix, researchers in Australia discovered.

ScienceAlert