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Recycled wool‐based nonwoven material for decolorisation of dyehouse effluents

Maja Radetic (Textile Engineering Department, Faculty of Technology and Metallurgy, University of Belgrade, Belgrade, Serbia)
Darinka Radojevic (Textile Engineering Department, Faculty of Technology and Metallurgy, University of Belgrade, Belgrade, Serbia)
Vesna Ilic (Textile Engineering Department, Faculty of Technology and Metallurgy, University of Belgrade, Belgrade, Serbia)
Darka Mihailovic (Textile Engineering Department, Faculty of Technology and Metallurgy, University of Belgrade, Belgrade, Serbia)
Petar Jovancic (Textile Engineering Department, Faculty of Technology and Metallurgy, University of Belgrade, Belgrade, Serbia)

International Journal of Clothing Science and Technology

ISSN: 0955-6222

Article publication date: 27 February 2009

408

Abstract

Purpose

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The purpose of this paper is to investigate the possible application of recycled wool‐based nonwoven material (RWNM) for removal of different dyes that are used in textile dye houses.

Design/methodology/approach

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The sorption kinetics, the influence of initial dye concentration, pH and temperature are analyzed. Basic, reactive, direct and metal complex dyes are studied.

Findings

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The sorption properties are highly influenced by the type of the dye owing to differences in their chemical structure and thus, the mechanism of binding to wool. Modification of material with chitosan and hydrogen peroxide improves the sorption capacities and sorption rates but no general trend can be established. Consequently, the sorption behaviour is analyzed separately for each type of the dye.

Originality/value

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The results indicate that RWNM can be used as an efficient, low‐cost sorbent for decolorisation of effluents.

Keywords

Citation

Radetic, M., Radojevic, D., Ilic, V., Mihailovic, D. and Jovancic, P. (2009), "Recycled wool‐based nonwoven material for decolorisation of dyehouse effluents", International Journal of Clothing Science and Technology, Vol. 21 No. 2/3, pp. 109-116. https://doi.org/10.1108/09556220910933835

Publisher

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Emerald Group Publishing Limited

Copyright © 2009, Emerald Group Publishing Limited

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