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You’d need a lot less power if you use infrared lights… Still: better grid connection or home batteries are much less complicated to install than a whole new C
by bertil 3y ago
You’d need a lot less power if you use infrared lights…
Still: better grid connection or home batteries are much less complicated to install than a whole new CO2 conversion set-up, plus we are going to need those if people are going to drive electric cars. The cost (energy or money) of capturing CO2 in the atmosphere into concentrate for that catalytic process.
- mschuster91 3y agoYou have a lot of industrial processes that produce highly concentrated CO2 - for example, cement production which is responsible for about 8% of worldwide CO2 emissions.
- bertil 3y agoI’m not convinced that the overall cycle is sustainable: cement >> concentrated CO2 >> electrolysis >> propane >> burn into the atmosphere still leaves that 8% of CO2 in the air.
- ivan_gammel 3y agoIt replaces equivalent 8% of CO2 from fossil fuels that would be burned otherwise.
- yetihehe 3y agoCement is absorbing some of that CO2 back when it's curing. Some of CO2 is emitted by processing (crushing and heating), that part could be eliminated by renewable fuels, some is inherent in making cement (releasing CO2 from limestone) but most of that part is absorbed back during curing. There are also carbon-negative alternatives in works[0]. That propane from cement could be used for synthesis of other materials instead of oil (not used yet because it's not needed only because we have cheaper oil) instead of being burned. [0] https://www.theguardian.com/environment/2008/dec/31/cement-carbon-emissions https://www.theguardian.com/environment/2008/dec/31/cement-c...
- rocqua 3y agoWe will need all the electrification we can get for electric cars and heat pumps. offloading some of that to other energy sources, using pre-existing infrastructure, would be amazing!