Water-resistant Lignin/Poly(vinyl alcohol) Blend Fibers for Removal of Hexavalent Chromium 


Vol. 19,  No. 6, pp. 1175-1183, Jun.  2018
10.1007/s12221-018-8052-z


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  Abstract

Lignin is the second most abundant renewable biomass-derived natural resource that has been used to replace traditional petrochemical-based materials. However, fabricating the lignin component into the various forms required for practical application is still challenging. In this work, we fabricated water-resistant lignin/poly(vinyl alcohol) (PVA) blend fibers by wet spinning and glutaraldehyde crosslinking methods. The effect of the lignin/PVA blend ratio and glutaraldehyde crosslinking process on the physicochemical properties of wet-spun lignin/PVA blend fibers were studied using maximum draw ratios, hydrolytic degradation profiles, and mechanical properties. Furthermore, the hexavalent chromium [Cr(VI)] removal behavior of lignin/PVA blend fibers was investigated according to the effect of pH, initial Cr(VI) concentration, and contact time. The wet-spun lignin/PVA blend fiber achieved excellent water stability through glutaraldehyde crosslinking and exhibited notable Cr(VI) adsorption capacity (350.87 mg/g) and good regeneration ability. These findings demonstrate that glutaraldehyde-crosslinked lignin/PVA blend fibers could be promising adsorbents for the remediation of heavy metal species containing textile wastewater.

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  Cite this article

[IEEE Style]

H. W. Kwak, H. Woo, E. H. Kim, K. H. Lee, "Water-resistant Lignin/Poly(vinyl alcohol) Blend Fibers for Removal of Hexavalent Chromium," Fibers and Polymers, vol. 19, no. 6, pp. 1175-1183, 2018. DOI: 10.1007/s12221-018-8052-z.

[ACM Style]

Hyo Won Kwak, Heechang Woo, Eui Hwa Kim, and Ki Hoon Lee. 2018. Water-resistant Lignin/Poly(vinyl alcohol) Blend Fibers for Removal of Hexavalent Chromium. Fibers and Polymers, 19, 6, (2018), 1175-1183. DOI: 10.1007/s12221-018-8052-z.

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pISSN : 1229 - 9197
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