Assertion: paper's use | /r/HasProperty | reduced
Facets:
value: substantially
type: DEGREE
value: from the 1990s
type: TEMPORAL
Source sentences:
text: From the 1990s onward, the use of elemental chlorine in the delignification process was substantially reduced and replaced with ECF (Elemental Chlorine Free) and TCF (Totally Chlorine Free) bleaching processes.