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Charley Rattan's picture
World Hydrogen Leader Charley Rattan Associates

UK based offshore wind & hydrogen business advisor and trainer; Faculty member World Hydrogen Leaders. Delivering global offshore wind business advice, problem solving and training: ...

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  • Sep 25, 2021 6:00 am GMT
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Nathan Wilson's picture
Nathan Wilson on Sep 25, 2021

That's a good article from the Guardian on the disadvantages of hydrogen for home heating, with a reasonable conclusion that while hydrogen may have a role to play for fuel-cell EVs, heat pumps and district heat networks are the way to go for home heating (actually, I think the author understated the point that heat networks are the enabling distribution mechanism for a number of sustainable heating technologies: waste heat, utility-scale heat pumps, geothermal, huge seasonal heat storage, fossil fuel with CC&S, and clean nuclear energy).

The article about windfarms that make heat rather than electricity sounded a little too optimistic to me.  Electricity is a few times more valuable than heat, and much more versatile.

The BBC article was yet another confirmation that heat pumps and heat networks are the future of home heating.

Matt Chester's picture
Matt Chester on Sep 27, 2021

The article about windfarms that make heat rather than electricity sounded a little too optimistic to me.  Electricity is a few times more valuable than heat, and much more versatile

Agreed with this-- heat can be incredibly valuable particularly when it's a byproduct of other processes and you can maximize/optimize useful output, but going straight to heat when electricity is right there instead seems like an odd decision. 

James Kirby's picture
James Kirby on Sep 28, 2021

Plastic that is in a landfill is not exposed to oxygen and will not deteriorate. Plastic that is exposed to oxygen will release carbon dioxide as part of its decay process. My question is whether carbon dioxide is released when hydrogen is produced from the plastics?

Bob Meinetz's picture
Bob Meinetz on Sep 29, 2021

Excellent James - of course CO2 is released. Without a single viable scenario for "green" hydrogen, desperate "not-zero" promoters now suggest we might turn plastic into hydrogen, and the generated CO2 will...magically disappear? Sink into the ground? I breathlessly await an answer!

James Kirby's picture
James Kirby on Sep 30, 2021

I first want to thank you for the humour. It made my night. 

I prefer to ask a question rather than make an assertion. That way it is less embarrassing when it turns out I am wrong. But you knew that. 

There was a slim chance that they were going to turn it into a carbonate. Without that one star in the universe type of probability this scheme makes no sense, and, landfill plastic doesn't deteriorate, because it is excluded from the oxygen. So why not just bury it? 

The question is why, not what.

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