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<strong>Synthesis and characterization of β-cyclodextrin coated Fe3O4/carbon nanocomposite for adsorption of tea catechin from aqueous solutions</strong>

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Title Statement <strong>Synthesis and characterization of β-cyclodextrin coated Fe3O4/carbon nanocomposite for adsorption of tea catechin from aqueous solutions</strong>
 
Added Entry - Uncontrolled Name Gogoi, Aniruddha ; Gauhati University,Guwahati 781014, Assam,India
Navgire, Madhukar ; Jijamata College of Science & Arts, Bhende, Ahmadnagar, Maharastra, India
Sarma, Kanak Chandra; Gauhati University,Guwahati 781014, Assam,India
GOGOI, PARIKSHIT ; Nowgong College, Nagaon, Assam, India
 
Uncontrolled Index Term β-CD; Fe3O4/carbon nanocomposites; Tea catechin; Freundlich isotherm; Langmuir isotherm
 
Summary, etc. β-cyclodextrin (β-CD) coated Fe<sub>3</sub>O<sub>4</sub>/carbon nanocomposite materials have been prepared by co-precipitation and impregnation method for adsorption of tea catechin from aqueous solutions. The prepared catalysts have been characterized by X-ray diffraction, FT-IR spectrometer, SEM, TEM, TGA, Pyridine FTIR and VSM analysis. The particle diameter and saturation magnetization value of Fe<sub>3</sub>O<sub>4</sub>/carbon is found to be 25-50 nm from TEM analysis and 4.4 emu/g from VSM analysis and decreases after coating of β-CD on Fe<sub>3</sub>O<sub>4</sub>/carbon nanocomposite to 20-35 nm and 1.2 emu/g, respectively. The adsorption behaviors of tea catechin on β-CD coated Fe<sub>3</sub>O<sub>4</sub>/carbon nanocomposites have been investigated schematically. The experimental adsorption affinity is interpreted with the help of Langmuir and Freundlich adsorption isotherms and the Langmuir model is found to be best suitable for the experimental data. The adsorption reaches the equilibrium within 90 min. and follows 1<sup>st</sup> order kinetics. The adsorption process depends on temperature, <em>p</em>H and amount of adsorbate and adsorbent.
 
Publication, Distribution, Etc. Indian Journal of Chemical Technology (IJCT)
2018-07-05 10:41:26
 
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http://op.niscair.res.in/index.php/IJCT/article/view/13439
 
Data Source Entry Indian Journal of Chemical Technology (IJCT); ##issue.vol## 24, ##issue.no## 5 (2017): Indian Journal of Chemical Technology
 
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