[justlurking]

More expensive than what option?

Not scrubbing it. :-) But, as you pointed out -- coal gasification still requires scrubbing.

[thackney]

Not scrubbing it. :-) But, as you pointed out -- coal gasification still requires scrubbing.

okay, I see that. The gasification process doesn't use an actual scrubber, but it still spends energy removing the contaminates and has other significant losses in the gasification process.