Black liquor lignin products, isolation and characterization

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creativework.keywordsAlkaline treatment, Black liquor, Extraction, Lignin compounds, Sulfate lignin
dc.contributor.authorRadoykova T.
dc.contributor.authorNenkova S.
dc.contributor.authorValchev I.
dc.date.accessioned2024-07-16T11:16:45Z
dc.date.accessioned2024-07-16T11:17:53Z
dc.date.available2024-07-16T11:16:45Z
dc.date.available2024-07-16T11:17:53Z
dc.date.issued2013-11-05
dc.description.abstractBy extraction with toluene and ethyl acetate monomeric lignin compounds: 2-methoxyphenol, 2,6-dimethoxyphenol, 4-hydroxy-3-methoxybenzaldehyde, 4-hydroxy-3,5-dimethoxybenzaldehyde, 1-(4-hydroxy-3-methoxyphenyl) ethanone, 1-(4-hydroxy-3,5-dimethoxyphenyl) ethanone, etc. were isolated from black liquor and sulfate lignin, and identified through GC/MS analysis. The identified low-molecular mass lignin compounds do not contain organic bonded sulphur. The sulfate lignin, separated from black liquor after acidification with acid was subjected to an alkaline treatment (4 h; 180oC; 5 % NaOH; lignin/NaOH ratio -1:8).
dc.identifier.issn1314-7471
dc.identifier.issn1314-7978
dc.identifier.scopusSCOPUS_ID:84886738632en
dc.identifier.urihttps://rlib.uctm.edu/handle/123456789/1015
dc.language.isoen
dc.source.urihttps://www.scopus.com/inward/record.uri?partnerID=HzOxMe3b&scp=84886738632&origin=inward
dc.titleBlack liquor lignin products, isolation and characterization
dc.typeArticle
oaire.citation.issue5
oaire.citation.volume48
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