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Stubborn polystyrene waste finally gets innovative recycling solution
(interestingengineering.com)
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this post was submitted on 25 May 2024
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10Mj/kg = 2.7kWh/kg
Not bad efficiency.
The problem is how low the density is.
Sure: per kilogram it looks ok, but that one kilogram took up an entire train car to move around.
And imagine being the guy who's got to clean out the train car afterwards of all the tiny pieces. Nightmare fuel.
Oh my God my wife bought this bean bag once. It was a photography thing so it had to be absolutely packed full. So the skin came folded up in this tiny little plastic bag and then it came with three giant bags of styrofoam balls.
If you stuck your hand in the back and pulled it out it would just be coated. I spent hours just trying to scoop them into the bean bag.
When I got to the second bag to fill I found a long narrow box and taped it up to the side of the bean bag slice the bean bag open and used it to pour them through.
The whole experience was awful. And the cleanup took nearly as long as the fill.
In situ processing should solve that. Imagine a machine where you put that in, it gets crushed and sprayed and the liquid is transported and recycled.