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Another Amazing Use for Leftover Coffee Grounds
Our love for coffee means millions of tons of spent coffee grounds going to waste every single year.
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lamplighter
Joined 2013/04/13Visited 2024/05/14
Status: user
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... If the technology can be developed, it would solve two environmental problems in one: coffee ground waste, and damage caused by farming herbicides to wildlife and the surrounding natural world. A team from the Federal Technological University of Parana (UTFPR) in Brazil found that when zinc chloride was used to activate the carbon in spent coffee grounds, this carbon showed a 70 percent efficiency in removing bentazone -- the most commonly used herbicide in agriculture. ...
A team from the Federal Technological University of Parana (UTFPR) in Brazil found that when zinc chloride was used to activate the carbon in spent coffee grounds, this carbon showed a 70 percent efficiency in removing bentazone -- the most commonly used herbicide in agriculture. ...
#1 | Posted by LampLighter at 2024-03-22 03:57 PM | Reply
So now we'll have millions of tons of old coffee grounds contaminated with bentazone and zinc chloride to put somewhere. Win, win?
#2 | Posted by Charliecharles at 2024-03-22 09:00 PM | Reply
I'll continue to put them in my compost pile.
#3 | Posted by jpw at 2024-03-22 11:24 PM | Reply
Roll 'em and smoke 'em, brother.
#4 | Posted by LegallyYourDead at 2024-03-23 09:19 PM | Reply
I vaguely remember from when I was a child my grandmother putting coffee grounds in her potted plants. I'm glad to see that science has finally caught up.
#5 | Posted by Twinpac at 2024-03-23 09:25 PM | Reply
Can coffee grounds mask the stench coming from the demented orange pedo's Depends?
#6 | Posted by reinheitsgebot at 2024-03-23 11:29 PM | Reply
Janet Jackson bragged about putting them up her butt. I'm sure a lot of people here do that too.
#7 | Posted by sentinel at 2024-03-23 11:48 PM | Reply
People throw away their coffee grounds? I've been using mine in my garden and landscaping for decades.
#8 | Posted by johnny_hotsauce at 2024-03-24 02:59 AM | Reply
I'm sure a lot of people here do that too.
Who are you sure does that, and why?
#9 | Posted by JOE at 2024-03-24 07:17 AM | Reply
I Compost a lot of material for the garden. I use spent coffee grounds for compost itself, as well as a way to regulate PH.
#10 | Posted by lfthndthrds at 2024-03-24 07:22 AM | Reply
I'll continue to put them in my compost pile...same here.
#11 | Posted by jw2 at 2024-03-24 07:50 AM | Reply
If anyone has ever struggled with growing blueberries, the acidity in coffee grounds will help.
Mix some coffee grounds into the dirt, and bang.
#12 | Posted by tres_flechas at 2024-03-24 11:11 AM | Reply | Newsworthy 1
#12 | Posted by tres_flechas at 2024-03-24 11:11 AM | Reply | Flag
I have blueberries. Pine straw also works. You can also use a vinegar/water solution in a pinch.
#13 | Posted by lfthndthrds at 2024-03-24 03:50 PM | Reply
If anyone has ever struggled with growing blueberries
I just go and pick them off the side of the road.
#14 | Posted by REDIAL at 2024-03-24 04:01 PM | Reply
Too bad I gave up coffee.
There ought to soon be a market for leftover grounds. I used old coffee grounds to help many plants (roses, azaelas, & evergreens) stay healthy. I also heard that pyrolized coffee grounds make concrete stronger. See www.anthropocenemagazine.org
#15 | Posted by Augustine at 2024-03-24 11:13 PM | Reply
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