PROCESS FOR LOWERING MOLECULAR WEIGHT OF LIQUID LIGNIN
Processes and systems for lowering molecular weight of lignin generally includes first isolating a dense liquid lignin phase from black liquor and subjecting the dense liquid lignin phase to a temperature and pressure for a period of time to effect an average molecular weight distribution of the lig...
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| creator | LAKE, MICHAEL A |
| description | Processes and systems for lowering molecular weight of lignin generally includes first isolating a dense liquid lignin phase from black liquor and subjecting the dense liquid lignin phase to a temperature and pressure for a period of time to effect an average molecular weight distribution of the lignin. Solid lignin produced with the lowered molecular weight is then isolated. The systems and processes may further include an oxidation unit for oxidizing the black liquor and intermediate streams to remove or mitigate malodorous or toxic emissions. |
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| language | eng ; fre |
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| subjects | APPARATUS THEREFOR IMPREGNATING OR COATING OF PAPER PAPER NOT OTHERWISE PROVIDED FOR PAPER-MAKING PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D PRODUCTION OF CELLULOSE PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCESFROM CELLULOSE-CONTAINING MATERIALS PULP COMPOSITIONS REGENERATION OF PULPING LIQUORS TEXTILES TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G |
| title | PROCESS FOR LOWERING MOLECULAR WEIGHT OF LIQUID LIGNIN |
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