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Production of dissolving pulp from Eulaliopsis binata with the concept of integrated biorefinery

  • Guodong Wu
  • Yuedong Zhang
  • Bing YuanEmail author
  • Chao Liu
  • Guang Yu
  • Congxia Xie
  • Bin LiEmail author
  • Hui Peng
Original Research


In this work, the grass material of Eulaliopsis binata (EB) was used for the production of dissolving pulp with the concept of integrated biorefinery. Sequential treatments were conducted via dilute acid-assisted pre-hydrolysis with the hemicellulose removal rate of 89.5%, ammonium sulfite (AS) treatment and KOH treatment with the delignification rate of 91.7%, as well as bleaching for the further purification of pulp. Results showed that, after the sequential treatments, the resultant pulp had 92.1% of α-cellulose, a degree of polymerization of 544, and 53.8% reactivity, which met the quality requirement of dissolving pulp for viscose production. In addition, the obtained pre-hydrolysis liquor with a high concentration of xylose and low concentration of inhibitors could be subjected to bioethanol fermentation, and the spent liquor derived from AS and KOH treatments could be used to produce fertilizer. Therefore, the entire process for the manufacture of EB dissolving pulp could be economic and sustainable.

Graphical abstract


Eulaliopsis binata Dissolving pulp Pre-hydrolysis Ammonium sulfite Potassium hydroxide Integrated biorefinery 



This work was financially supported by the National Natural Science Foundation of China (Grant Nos. 31470609, 25106240 and 31700509), and the Primary Research and Development Plan of Shandong Province (Grant No. 2016CYJS07A02).

Compliance with ethical standards

Conflict of interest

The authors declare that they have no conflict of interest.


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Copyright information

© Springer Nature B.V. 2018

Authors and Affiliations

  1. 1.College of Chemistry and Molecular EngineeringQingdao University of Science and TechnologyQingdaoChina
  2. 2.CAS Key Laboratory of Biofuels, CAS Key Laboratory of Bio-Based Material, Qingdao Institute of Bioenergy and Bioprocess TechnologyChinese Academy of SciencesQingdaoChina

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