Thought it was well known that engineers run on coffee?
I’m an engineer and I run on decaf coffee. There’s no such thing as good decaf coffee. I’m also not a very good engineer.
You know what to do here.
Embrace the palpitations & insomnia for the greater good. And for the decent taste.
After quitting all caffeine cold turkey it just gives me awful headaches if I accidentally have some. XD
Oh no.
I’d imagine they feel as horrible as caffeine withdrawal headaches.
Thank you for the warning!
For anyone who came here without reading the article to comment about the impending effects of climate change on coffee yields, do note that this proposes using spent (i.e. already used) coffee grounds. SCG currently end up in landfills and eventually get turned into carbon dioxide and methane.
I worked on some undergrad research examining the potential to use spent coffee grounds for biodiesel. SCG has residual oil that can be extracted and refined. I wonder if this could be combined with biochar, getting multiple commodities from a waste product.
The article they link about pyrolysis is worth a read too. The main source of CO2 emissions from cement production is cooking down limestone into lime IIRC. I was curious how much energy is used to turn the biomass into the end product and what waste is generated. It’s a bit too detailed for me to understand, but the process ends up with 15-25% biochar (the stuff they’re promoting in this article), some potentially useful byproducts, and some regular combustion pollution.
I’m glad to see research into this. Sand for concrete is a specific type of sand (nice and bumpy so it likes to lock together like a jigsaw puzzle) and people get killed by what are basically sand cartels. This was the “legitimate” mob business in the last season of Barry.
Portland cement is about 2/5 sand, so we’ll need to start drinking more coffee! I was glad to see they’re testing other organic matter since coffee is very susceptible to climate change, ironically caused in a large part by cement production. Unless you believe the reader comment on the article begging people to realize climate change is a hoax…
Quick point of clarification - concrete is about 40% sand. PortlandPortland cement is one of the other parts of concrete - it’s what actually holds concrete together. Other pozzolons, like fly ash, can make up 25-50% of the cementitious material.
FWIW, Cement is wildly energy intensive to create and produces a huge amount of CO2. We don’t have a lot of replacement options for cement (or concrete generally) because of its unique durability.
And I’ve already reported it as misinformation. Nice when a website lets you report stuff without having an account.
Nice work. I tried to thumbs down it, but it wanted a log in.
It’s a shame someone can read articles from decent sources and still be so ignorant.
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.
Is there a difference between biochar and charcoal? Because that description of biochar sounds like it’s just charcoal.
Bio Char vs Charcoal: 6 Key Differences
Similar, but more refined process to achieve specific characteristics in the end product, like oil>kerosene>diesel>gasoline.
This article hints at a lot of interesting things, but doesn’t really go into any of them. I’ve learned a lot trying to answer the comments here.
It seems unfair to say that we’re saving on CO2 and methane from decomposition without also counting the cost of the biochar combustion.
Biochar is still a pretty new concept, but results are promising as a potential overall carbon negative process.
Carbon negative when applied to soil. Making it is still a carbon releasing combustion process
EDIT okay I’m wrong they are including the production in their calculations.
Biochar has been used for 2000+ years, so it is NOT a new concept. Look up Terra Preta. This is biochar enhanced soil found in the amazon.
I know sand is actually a precious resource when you really learn about how much concrete we make and what kinds of sand there are and which are needed for concrete.
But still, it’s strange to think that this exotic bean which will only grow in certain climates can actually be easier to get than fucking sand.
But still, it’s strange to think that this exotic bean which will only grow in certain climates can actually be easier to get than fucking sand.
There’s different kinds of sand and concrete needs specific types to work well.
That’s just because right now used coffee is trash and sand isn’t. If you remember back when bio diesel started getting popular, all of a sudden people were stealing fryer oil from restaurants. If you see a smelly looking black dumpster behind a restaurant, that is the used fry oil.
Coffee makes many things better.
I totally agree
I read your name as Coffee Jerky and honestly I would absolutely try that.
Me too my friend!
