当前位置： SCI文献检索 > INTERNATIONAL JOURNAL OF BIOLOGICAL MACROMOLECULES期刊下所有文献 > Using Fe3O4-coated nanofibers based on cellulose acetate/chitosan for adsorption of Cr(VI), Ni(II) and phenol from aqueous solutions.

Using Fe3O4-coated nanofibers based on cellulose acetate/chitosan for adsorption of Cr(VI), Ni(II) and phenol from aqueous solutions.

Abstract：

:This work aims at investigating Fe3O4-coated nanofibers based on cellulose acetate (CA) and chitosan (CS) for adsorption of Cr(VI), Ni(II), and phenol from aqueous solutions. The synthesized Fe3O4 nanoparticles (NPs), and the modified nanofibrous adsorbents are characterized by using FTIR and FE-SEM analyses. The optimum conditions for independent parameters such as adsorbent dosage, pH, contact time, and initial concentration of the adsorbates on the maximum removal of Cr(VI), Ni(II), and phenol are evaluated using the samples with and without Fe3O4 NPs. On the basis of kinetics and mechanism studies of the adsorption, pseudo second-order equation and Redlich-Peterson isotherm model show the best fitting on the experimental data. The obtained results revealed that the maximum monolayer adsorption capacities of Cr(VI), Ni(II), and phenol using Fe3O4-coated CA/CS nanofibers are 193.2 mgg-1, 143.3 mgg-1, and 163.5 mgg-1, respectively. Also, the prepared adsorbents are reused and their performance is assessed for five adsorption-desorption cycles. Moreover, the adsorption of Cr(VI), Ni(II), and phenol in a ternary system is carried out. Finally, by comparing the adsorption outcomes, it is being found that the electrospun CA/CS hybrid nanofibrous sample coated with Fe3O4 NPs is a promising candidate for wastewater treatment potentially.

journal_name

Int J Biol Macromol

journal_title

International journal of biological macromolecules

authors

Karamipour A,Khadiv Parsi P,Zahedi P,Moosavian SMA

doi

10.1016/j.ijbiomac.2019.11.058

subject

Has Abstract

pub_date

2020-07-01 00:00:00

pages

1132-1139

eissn

0141-8130

issn

1879-0003

pii

S0141-8130(19)37821-3

journal_volume

154

pub_type

杂志文章

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