Reply #50: BTW Carbon sequestration of CO2 from IGCC should only be necessary for 50 to 100 (max) yrs

[JohnWxy]

Carbon sequestration will not be necessary for the "remaining life of the planet". Perhaps when you try to do some 'original thinking' you should stop yourself and let somebody else do your thinking for you. OHHH, being a nuclearfile you are already doing that though.


Carbon sequestration should only be necessary (for the CO2 from IGCC or later technologies) for 50 to 100 years, not forever into the future.

Wind Power will likely surpass coal in 20 to 25 years. Wind Power is the cheapest source of power available and as fossil fuels become more expensive in future, the cost differential will become greater and more difficult to ignore. Installed Wind power is growing at about 25% per year. This figure would be greater but for the limiting factor of wind Turbine manufacturing capacity not being able to meet the demand for turbines. Wind turbine manufacturers are adding to production capacity right now. Solar power is getting cheaper and should become cost effective in the next twenty years and then it will grow exponentially.

but there would still be CO2 sequestration for the next 50 to 70 (possibly 100 years) (allowing for operation of already built IGCC coal plants operating lifetimes). But as I said, the fact that natural gas has remained in geological formations for millions of years demonstrates the feasibililty of this approach. There are many who are convinced sequestration will work. There will be many more who feel it's better than just pumping the CO2 directly into the atmosphere.

However, Carbon sequestration won't go on forever, and i don't think it will involve the kind of figure you used for CO2 storage.