Assertion: lignin's amount | /r/CapableOf | become slow
Facets:
value: for 240 min
type: TEMPORAL
Source sentences:
text: The study about the effect of time on the adsorption process, as shown in Figure S8 , suggests that the amount of dye adsorbed by the adsorbent increases rapidly at the beginning for 30 min, and then the adsorption efficiency becomes slow for 240 min until the adsorption equilibrium is reached.