Environmental Science and Pollution Research

, Volume 25, Issue 3, pp 2083–2095 | Cite as

Flocculation performance of lignin-based flocculant during reactive blue dye removal: comparison with commercial flocculants

  • Kangying Guo
  • Baoyu GaoEmail author
  • Ruihua Li
  • Wenyu Wang
  • Qinyan Yue
  • Yan Wang
Review Article


A novel lignin-based flocculant (LBF) with superior flocculation performance was prepared from paper mill sludge in this work. The functional groups of LBF and alkaline lignin (AL) were determined by Fourier transform infrared spectroscopy (FTIR). The flocculation performance of LBF integrated with polyaluminum chloride (PAC) was tested in reactive dye wastewater treatment. Floc properties and color removals in multiple flocculation systems were discussed. Results indicated that the dye removal (93%) was greatly facilitated as the LBF was integrated with PAC (PAC + LBF). In addition, floc properties and color removals were significantly improved in the presence of Ca2+ and Mg2+. In contrary, flocculation performance was greatly restricted in the presence of SO4 2−. LBF was less pH sensitive and shear sensitive than polyacrylamide (PAM) due to the enhanced charge neutralization and bridging action. On the basis of that, LBF could be used as a promising flocculant in dye wastewater treatment.


Polyaluminum chloride (PAC) Polyacrylamide (PAM) Lignin-based flocculant (LBF) Floc properties pH Shear force 



The kind suggestions from the anonymous reviewers are greatly acknowledged.

Funding information

This work was supported by grants from Tai Shan Scholar Foundation (No. ts201511003).

Supplementary material

11356_2017_835_MOESM1_ESM.docx (157 kb)
ESM 1 (DOCX 157 kb)


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Copyright information

© Springer-Verlag GmbH Germany, part of Springer Nature 2017

Authors and Affiliations

  • Kangying Guo
    • 1
  • Baoyu Gao
    • 1
    Email author
  • Ruihua Li
    • 1
  • Wenyu Wang
    • 1
  • Qinyan Yue
    • 1
  • Yan Wang
    • 1
  1. 1.Shandong Key Laboratory of Water Pollution Control and Resource Reuse, School of Environmental Science and EngineeringShandong UniversityJinanPeople’s Republic of China

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