id	keyword
ap-7821	adsorption
ap-7821	co2
ap-7821	breakthrough
ap-7821	gas
ap-7821	adsorbent
ap-7821	bed
ap-7821	temperature
ap-7821	pressure
ap-7821	bar
ap-7821	column
ap-7821	time
ap-7821	capture
ap-7821	flow
ap-7821	curve
ap-7821	figure
ap-7821	mass
ap-7821	engineering