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Showing 1 to 4 of 4 for “"Black liquors"”.
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Synthetic polymers from building block chemicals produced by biorefineries - PLA-based polyesters and galactaric acid-based polyanhydrides
… acid (DL-2HBA), present in kraft black liquors, are major side-products of kraft pulp process. Obtained results indicate that these monomer mixtures could be applied as monomers for polymerization without additional separation from each other. This utilization route for the hydroxy …
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The chlorination of sulfate lignin
… reaction of lignin obtained from the black liquors of the sulfate process of paper manufacture. Results of preliminary experimental work indicated that the optimum method of chlorinating lignin was by suspending or dissolving the lignin in methyl alcohol. The sulfate lignin was …