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LAPSE:2019.0476
Published Article
LAPSE:2019.0476
Basic Dye Removal with Sorption onto Low-Cost Natural Textile Fibers
April 8, 2019
Over the last several years, the trend of researchers has been to use some very low-cost materials as adsorbents. For this purpose, some already commercially used bast fibers were selected as potential adsorbent materials to remove basic dye from synthetic effluents. The adsorption of basic yellow 37 dye was studied using three different bast fibers under the names of flax, ramie, and kenaf. Their morphological structure was examined using several techniques such as scanning electron microscopy (SEM), crystallinity, X-Ray diffraction (XRD) and Fourier transform infrared spectroscopy (FTIR), as well as those characterizations being a useful tool to propose a mechanism of the whole adsorption process. The adsorption evaluation was achieved by studying at first the pH (12) and temperature effects (25⁻55 °C). Two isotherm models (Langmuir and Freundlich) were also applied to the experimental equilibrium data revealing the superiority of ramie fibers (327, 435, and 460 mg·g−1 (25 °C) for kenaf, flax, and ramie, respectively). The crucial adsorbent’s dosage was found to be 0.1 g per litre for all fibers, while the completed desorption study (eluant’s pH and reuse cycles) also confirmed the strong potential of these kinds of fibers as adsorbents. The latter may be attributed to the cellulosic content.
Keywords
characterization, dyes, equilibrium, fibers, reuse, sorption
Subject
Suggested Citation
Kyzas GZ, Christodoulou E, Bikiaris DN. Basic Dye Removal with Sorption onto Low-Cost Natural Textile Fibers. (2019). LAPSE:2019.0476
Author Affiliations
Kyzas GZ: Hephaestus Advanced Laboratory, Eastern Macedonia and Thrace Institute of Technology, GR 65404 Kavala, Greece [ORCID]
Christodoulou E: Department of Chemistry, Aristotle University of Thessaloniki, GR 54124 Thessaloniki, Greece
Bikiaris DN: Department of Chemistry, Aristotle University of Thessaloniki, GR 54124 Thessaloniki, Greece [ORCID]
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Journal Name
Processes
Volume
6
Issue
9
Article Number
E166
Year
2018
Publication Date
2018-09-14
Published Version
ISSN
2227-9717
Version Comments
Original Submission
Other Meta
PII: pr6090166, Publication Type: Journal Article
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LAPSE:2019.0476
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doi:10.3390/pr6090166
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Apr 8, 2019
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CC BY 4.0
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Apr 8, 2019
 
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Apr 8, 2019
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Original Submitter
Calvin Tsay
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