当前位置： SCI文献检索 > INTERNATIONAL JOURNAL OF BIOLOGICAL MACROMOLECULES期刊下所有文献 > Microwave functionalization of titanium oxide nanoparticles with chitosan nanolayer for instantaneous microwave sorption of Cu(II) and Cd(II) from water.

Microwave functionalization of titanium oxide nanoparticles with chitosan nanolayer for instantaneous microwave sorption of Cu(II) and Cd(II) from water.

Abstract：

:The present study is aimed to evaluate the microwave-enforced sorption approach (MES) for instantaneous extraction and removal of trace concentration of metal ions using microwave-synthesized titanium oxide nanoparticles-bonded-chitosan nanolayer (NTiO2-NCh). The proposed and designed nanocomposite was characterized by different techniques. The coveted ions were allowed to heat in presence of NTiO2-NCh nanocomposite inside a microwave apparatus for 5-20s to execute the sorption process. The contribution of microwave warming time, nanocomposite dose, concentration of Cd(II) and Cu(II) ions, pH and interfering ions were explored and optimized. Sorption of Cd(II) was characterized as 1050 and 1150μmolg-1 and those of Cu(II) were identified as 450 and 800μmolg-1 using 5 and 20s of microwave heating time, respectively. Optimization of the nanocomposite dose factor was found to enhance the metal uptake values of Cd(II) to 1800μmolg-1 using 5.0mg. The potential utilization of MES technique for removal and extraction of Cd(II) and Cu(II) at low concentration levels (mgL-1) from water samples was also explored. The percentage extraction values of Cu(II) and Cd(II) from water and wastewater samples were ranged as 86.80-88.01% and 72.56-70.67%, respectively using 60-70s heating via MES technique.

journal_name

Int J Biol Macromol

journal_title

International journal of biological macromolecules

authors

Mahmoud ME,Abou Ali SAA,Elweshahy SMT

doi

10.1016/j.ijbiomac.2018.01.014

subject

Has Abstract

pub_date

2018-05-01 00:00:00

pages

393-399

eissn

0141-8130

issn

1879-0003

pii

S0141-8130(17)34804-3

journal_volume

111

pub_type

杂志文章

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