Adsorption of Heavy Metal Ions from Aqueous Solution by Chitosan

Wen Sheng Linghu; Chao Wang

doi:10.4028/www.scientific.net/AMR.881-883.570

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 881-883Adsorption of Heavy Metal Ions from Aqueous...

Adsorption of Heavy Metal Ions from Aqueous Solution by Chitosan

Abstract:

In this work adsorption of heavy metal ions (Cu²⁺, Pb²⁺, Zn²⁺ and Ni²⁺) from aqueous solution by chitosan was investigated in a batch reactor. Three commercially different viscosity chitosans were used as adsrobents. pH value, adsorption temperature, time and initial concentration had affected adsorption efficiency of metal ions. The results showed that low viscosity chitosan has the highest adsorption capacity among the low, middle and high viscosity chitosans. The amounts of adsorbed metal ions decreased with increased adsorption temperature and decreased pH value. The highest adsorbed amount at the equilibrium time (7.5mg/g) of Cu²⁺was observed among Cu²⁺, Pb²⁺, Zn²⁺ and Ni²⁺.

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Periodical:

Advanced Materials Research (Volumes 881-883)

Pages:

570-573

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.881-883.570

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Online since:

January 2014

Authors:

Wen Sheng Linghu*, Chao Wang

Keywords:

Adsorption, Chitosan, Heavy Metal Ion, Wastewater

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