<abstract xmlns="http://www.w3.org/1999/xhtml"><p>Gallium (Ga) is considered an important element in the semiconducting industry and as the lifespan of electronic products decrease annually Ga-containing effluent has been increasing. The present study investigated the use of biodegradable polymer powders, crab shell and chitosan, in the removal of Ga(III) ions from aqueous solution. Ga(III) biosorption was modeled to Lagergren-first, pseudo-second order and the Weber-Morris models. Equilibrium data was modeled to the Langmuir, Freundlich and Langmuir-Freundlich adsorption isotherms to determine the probable biosorption behavior of Ga(III) with the biosorbents. The biosorbents were investigated by Fourier Transform Infrared Spectroscopy, X-ray Diffraction and Scanning Electron Microscopy/Energy Dispersive Spectra analysis.</p></abstract>

Gallium (Ga) is considered an important element in the semiconducting industry and as the lifespan of electronic products decrease annually Ga-containing effluent has been increasing. The present study investigated the use of biodegradable polymer powders, crab shell and chitosan, in the removal of Ga(III) ions from aqueous solution. Ga(III) biosorption was modeled to Lagergren-first, pseudo-second order and the Weber-Morris models. Equilibrium data was modeled to the Langmuir, Freundlich and Langmuir-Freundlich adsorption isotherms to determine the probable biosorption behavior of Ga(III) with the biosorbents. The biosorbents were investigated by Fourier Transform Infrared Spectroscopy, X-ray Diffraction and Scanning Electron Microscopy/Energy Dispersive Spectra analysis.

Biosorption Performance of Biodegradable Polymer Powders for the Removal of Gallium(III) ions from Aqueous Solution

Da-Yeh University, Department of Environmental Engineering, Changhua 51591, Taiwan (ROC)

The University of the West Indies Cave Hill Campus, Department of Biological and Chemical Sciences, 11000 Barbados

Chia Nan University of Pharmacy and Science, Department of Environmental Engineering and Science, Tainan 71710, Taiwan

Polish Journal of Chemical Technology

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Gallium (Ga) is considered an important element in the semiconducting industry and as the lifespan of electronic products decrease annually Ga-containing...

Biosorption Performance of Biodegradable Polymer Powders for the Removal of Gallium(III) ions from Aqueous Solution

Published Online: Sep 19, 2015

Page range: 124 - 132

DOI: https://doi.org/10.1515/pjct-2015-0060

Keywords
chitosan, crab shell powder, gallium, Langmuir-Freundlich, kinetics

© Ching-Hwa Lee et al.

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Biosorption Performance of Biodegradable Polymer Powders for the Removal of Gallium(III) ions from Aqueous Solution

Published Online: Sep 19, 2015

Page range: 124 - 132

DOI: https://doi.org/10.1515/pjct-2015-0060

Keywordschitosan, crab shell powder, gallium, Langmuir-Freundlich, kinetics

© Ching-Hwa Lee et al.

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Keywords
chitosan, crab shell powder, gallium, Langmuir-Freundlich, kinetics