this post was submitted on 15 Sep 2023
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Making hydrogen from waste plastic could pay for itself (techxplore.com)
submitted 1 year ago by [email protected] to c/technology
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[–] [email protected] 2 points 1 year ago* (last edited 1 year ago)

Doesn't say, but if the electricity used is from renewables then it's irrelevant, as it can potentially produce graphene at 5% of the current price

Found this re co2

Compared to commercial methods for carbon nanotube production that are being used right now, ours uses about 90% less energy and generates 90%-94% less carbon dioxide," Wyss said.

https://phys.org/news/2023-02-joule-technique-efficiently-would-be-pollution.html

If they're making graphene and hydrogen then there can't be much left over can there?