Solubilization and functionalization of sulfuric acid lignin generated during bioethanol production from woody biomass.

@article{Matsushita2009SolubilizationAF,
  title={Solubilization and functionalization of sulfuric acid lignin generated during bioethanol production from woody biomass.},
  author={Y. Matsushita and T. Inomata and T. Hasegawa and K. Fukushima},
  journal={Bioresource technology},
  year={2009},
  volume={100 2},
  pages={
          1024-6
        }
}
Sulfuric acid lignin (SAL), which is formed as a by-product during the production of bioethanol from woody biomass, was solubilized and functionalized by hydrothermal reaction. SAL could be easily dissolved in an alkaline medium, especially sodium hydroxide solution, by this reaction. The soluble part of the reaction products (S-HSAL) could be dissolved at neutral pH. IR spectrometric analysis of SAL revealed that hydrophilic groups were introduced in it during the reaction. The dispersibility… Expand
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