@W_Lucht
Hey Wolfgang, sorry for OffTopic.
I've been searching on Umweltrat-de for information on the embedded CO2 in CCS.
You know, like, how much more gas has to be burned in order to capture the CO2.
And additionally, how much energy is required to make the solvent that goes into the CCS process, and how much energy goes into transport and storage.
This new-ish Greenpeace publication
https://www.greenpeace.org/aotearoa/story/great-carbon-capture-scam/
says "10 to 40% more energy" is required, but then quotes this surprisingly old source from 2006... https://www.jstor.org/stable/48526261?refreqid=excelsior%3Af975048a0b74cc357bf303fa24ddce1f
This https://www.umweltrat.de/SharedDocs/Downloads/DE/01_Umweltgutachten/2016_2020/2020_Umweltgutachten_Entschlossene_Umweltpolitik.pdf?__blob=publicationFile&v=2
names Bongartz et al 2015 for
"Gleichzeitig sinkt aufgrund des Energiebedarfs für die Abscheidung der Wirkungsgrad des Kraftwerks je nach Abscheideverfahren , wodurch der Brennstoffbedarf erhöht wird."
I don't have access to Bongartz et al 2015. Do you? Where did their information come from, and is it publicly available?
The energy carrier used in a power plant itself is necessarily the same as used for power generation, I guess.
But the energy for making the solvent and for transport and storage of the captured CO2 might be from a different source, potentially renewable. So that's why I'd like to have this split into two parts.
If a CCS+gas power plant needs, lets say, 3x more gas to actually remove CO2 from power generation compared to a gas power plant without CCS,
this CCS+gas incurs 3x more methane leakage!
AND also 3x more CO2.
So a test installation that allegedly removes 1Mt of CO2 per year, only removes 330kt from power generation, and the remaining 670kt removed were CO2 from the removal process itself?
Or in other words, 1Mt removed leads to 2Mt emitted?
I think, this information must be out there in the public debate. Especially now when the Green's newly legislated gas power plants of 12.5GW have been increased by the new government to 20 GW.
CCS means more gas is burned. The removal efficiency is bad. The methane leaks alone are making this endeavour even worse than just burning coal.
Thank you for your help!
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