Synthesis of magnetic bioadsorbent for adsorption of Zn(II), Cd(II) and Pb(II) ions from aqueous solution

21Citations
Citations of this article
24Readers
Mendeley users who have this article in their library.

Abstract

A novel L-arginine modified magnetic bioadsorbent (Fe3O4-CS-L) was fabricated to remove Zn(II), Cd(II) and Pb(II) from aqueous solution by adsorption method. Several techniques such as FT-IR, SEM, XRD, TGA and VSM were used for characterizing the Fe3O4-CS-L. The results showed that the Fe3O4-CS-L was successfully prepared. Batch experiments were conducted to investigate the parameters affecting the adsorption of the novel magnetic bioadsorbent to metal irons, such as adsorption isotherm and adsorption kinetics. The adsorption equilibrium was commendably described by pseudo-second-order model. Langmuir model was better than Freundlich model to describe adsorption isotherm data and the predicted maximum adsorption capacities of Zn(II), Cd(II) and Pb(II) were 256.41 mg/g, 156.99 mg/g and 128.63 mg/g, respectively. Competition adsorption results showed that the adsorption order of Fe3O4-CS-L to metal ions was Pb(II) > Zn(II) > Cd(II). Moreover, regeneration studies suggested that Fe3O4-CS-L has a good recyclability. All the results showed that Fe3O4-CS-L could be a promising material in environment pollution cleanup.

Cite

CITATION STYLE

APA

Guo, S., Jiao, P., Dan, Z., Duan, N., Zhang, J., Chen, G., & Gao, W. (2017). Synthesis of magnetic bioadsorbent for adsorption of Zn(II), Cd(II) and Pb(II) ions from aqueous solution. Chemical Engineering Research and Design, 126, 217–231. https://doi.org/10.1016/j.cherd.2017.08.025

Register to see more suggestions

Mendeley helps you to discover research relevant for your work.

Already have an account?

Save time finding and organizing research with Mendeley

Sign up for free