Conversion of waste textile cellulose fibers into heavy metal adsorbents

다국어 초록 (Multilingual Abstract)

Fibrous adsorbents were prepared by carboxymethylation of waste textilefibers and were used for Cd(II)sorption in comparison with Dowex Mac-3 (DM-3). The prepared sorbents were designatedcarboxymethyl cellulose-Lyocell strands (CMC-LS) and carboxymethyl cellulose-Lyocell fabrics (CMCLF).
Kinetic and isotherm studies indicated that CMC-LS had the fastest sorption rate with high affinityconstants and good column application potential. For the same packed column volume, CMC-LS reached70% of its capacity whilst DM-3 reached57%. 100% desorption was achieved using 0.1 M EDTAor HCl. This study therefore suggests a way to recycle wastefibers into adsorbents for treating heavymetal-polluted waters.

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