AlmightyDoorman

AlmightyDoorman@kbin.earth

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Joined 1 year ago

Cake day: June 1st, 2025

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AlmightyDoorman@kbin.earthtoEnvironment@sh.itjust.works•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
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22 hours ago
Okay yeah this is true.

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AlmightyDoorman@kbin.earthtoEnvironment@sh.itjust.works•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
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22 hours ago
https://www.bbc.com/future/article/20191108-why-the-world-is-running-out-of-sand

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AlmightyDoorman@kbin.earthtoEnvironment@sh.itjust.works•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
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24 hours ago
Sand is a big problem because we are slowly running out of it. And transporting suitable sand takes a lot of ressources, minimizing the use is good.
Plus why can’t we tackle two problems at once?

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