Assertion: kraft lignin | /r/HasProperty | separated by sequential treatment
Facets:
value: from black liquor
type: OTHER
value: with sulfuric acid
type: OTHER
value: with carbon dioxide
type: OTHER
Source sentences:
text: (2013) detected about 2 to 3% sulfur content in kraft lignin that had been separated from black liquor by sequential treatment with carbon dioxide and sulfuric acid, and about half of that amount was said to be molecularly bound to lignin moieties.