Assertion: lignin's amount | /r/HasProperty | needed
Facets:
value: during this process
type: TEMPORAL
Source sentences:
text: A new amount of clean, acidified water is needed when the washing liquor becomes saturated.
text: Chemical treatment by acetylation or other hydrophobizing agents improves the water resistance of wood materials, but a large amount of reagents is necessary during this process (Lv et al., 2018), and the samples typically require some type of pressurized reactor.
text: (2012) reported that different amounts of acid are needed to neutralize the alkalinity of black liquor from pulping of different wood species.