Textile Science and Engineering (한국섬유공학회지)

The Korean Fiber Society (한국섬유공학회)
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Heavy Metal Adsorption with PVA/Lignin Blend Fibers

폴리비닐알콜/리그닌 혼합 섬유를 이용한 중금속 흡착

  • Yun, Haesung (Department of Biosystems & Biomaterials Science and Engineering, Seoul National University) ;
  • Woo, Hee Chang (Department of Biosystems & Biomaterials Science and Engineering, Seoul National University) ;
  • Lee, Ki Hoon (Department of Biosystems & Biomaterials Science and Engineering, Seoul National University)
  • 윤해성 (서울대학교 바이오시스템.소재학부) ;
  • 우희창 (서울대학교 바이오시스템.소재학부) ;
  • 이기훈 (서울대학교 바이오시스템.소재학부)
  • Received : 2016.10.21
  • Accepted : 2016.11.30
  • Published : 2016.12.31
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Abstract

The removal of heavy metals from various kinds of waste water is important not only for environmental protection, but also for reduction of potential negative effects on human health. In this study, fibers that exhibit significant heavy metal adsorption were prepared by blending lignin with polyvinyl alcohol (PVA). These PVA/lignin fibers could be prepared by wet spinning using dimethyl sulfoxide (DMSO) as the solvent and ethanol as the coagulant. Stable spinning was achieved at a lignin content of 40%. However, lignin reduced the mechanical properties of PVA fibers due to its low molecular weight. Cr(VI) was used as a model heavy metal ion, and the presence of lignin improved the Cr(VI) adsorption almost 1.6 times. The results show the possibility of PVA/lignin blend fiber for Cr(VI) adsorption.

Keywords

References

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  1. Water-resistant Lignin/Poly(vinyl alcohol) Blend Fibers for Removal of Hexavalent Chromium vol.19, pp.6, 2018, https://doi.org/10.1007/s12221-018-8052-z