134
Engineers Just Made Concrete 30% Stronger. The Secret Ingredient? Coffee.
(www.popularmechanics.com)
this post was submitted on 25 Aug 2023
134 points (100.0% liked)
Science
13034 readers
7 users here now
Studies, research findings, and interesting tidbits from the ever-expanding scientific world.
Subcommunities on Beehaw:
Be sure to also check out these other Fediverse science communities:
This community's icon was made by Aaron Schneider, under the CC-BY-NC-SA 4.0 license.
founded 2 years ago
MODERATORS
you are viewing a single comment's thread
view the rest of the comments
view the rest of the comments
A biochar of spent coffee grounds.
Not coffee grounds.
If you don’t know what biochar is, it’s high carbon material that’s left over after burning organic matter (think:wood) slowly under low-oxygen conditions.
Biochar requires energy and emitting gases.
It seems unfair to say that we’re saving on CO2 and methane from decomposition without also counting the cost of the biochar combustion.
I wish they had a bit about that in the article itself, but they did link another article about biochar creation and its byproducts. I linked it in another comment here.
I feel there's a lot of assumptions here that no one actually reads articles.
Most of us are from reddit and unfortunately that "jump to the comments to argue" mentality seems to have followed a lot of us.
For example, I haven't read the article. Just clicked into the comments to see what it was, found out it was coffee.
I'll go read it now.
I'm back, the other linked USDA article about pyrolysis is fascinating. It's not really clear on how much energy the process takes but they did mention it could (possibly) be self-sustaining. Really cool stuff!