Adsorption of Cu 2+ Ions from Aqueous Solution by NaOH Activated ZSM-5 Zeolite

Xu Zhuo Sun; Dong Jin Wan; Bo Li; Li Li Wang; Ning Wang; Jing Chen

doi:10.4028/www.scientific.net/AMR.482-484.2568

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 482-484Adsorption of Cu 2+ Ions from Aqueous Solution by...

Adsorption of Cu²⁺ Ions from Aqueous Solution by NaOH Activated ZSM-5 Zeolite

Abstract:

ZSM-5 zeolite was chemical activated by using NaOH solution to enhance the adsorption efficiency to Cu2+ in aqueous solution. The equilibrium isotherm of NaOH activated ZSM-5 zeolite showed that the Langmuir model gave a better fit to the experimental data. The maximum adsorption capacity of NaOH activated ZSM-5 zeolite was 40.49 mg/g. The adsorption capacity was increased nearly 3.3 times than unactivated zeolite by using 0.4M NaOH. The kinetics study showed that the pseudo-second-order kinetics model could be used to describe the adsorption process satisfactorily. The research also found that the coexisting of Pb2+ ion would greatly decrease the adsorption efficiency of activated zeolite from 99.35% decreased to 56.52%. Both ZSM-5 zeolite and NaOH activated ZSM-5 zeolite was characterized by SEM.

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Advanced Materials Research (Volumes 482-484)

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2568-2572

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.482-484.2568

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Online since:

February 2012

Authors:

Xu Zhuo Sun, Dong Jin Wan, Bo Li, Li Li Wang, Ning Wang, Jing Chen

Keywords:

Activated ZSM-5 Zeolite, Adsorption, Cu²⁺, Isotherm

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