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Journal of Environmental Biology

pISSN: 0254-8704 ; eISSN: 2394-0379 ; CODEN: JEBIDP

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    Abstract - Issue Jul 2019, 40 (4)                                     Back


nstantaneous and historical temperature effects on a-pinene

DOI : http://doi.org/10.22438/jeb/40/4(SI)/JEB_10

 

Adsorption of nickel ions by surface modified magnetite nanoparticles: Kinetics study

 

Paper received: 30.10.2018???????????????????????????????????????????????????????????? Revised received: 06.03.2019????????????????????????????????????????????????????????????? Accepted: 16.03.2019

 

 

Authors Info

Carlin Geor Malar1,

M. Seenuvasan2, 3* and

K. Sathishkumar4

  

1Department of Biotechnology, Rajalakshmi Engineering College, Chennai-602 105, India

2Department of Petrochemical Engineering, SVS College of Engineering, Coimbatore-642 109, India

3Department of Chemical Engineering, Hindusthan College of Engineering and Technology, Coimbatore-641 032, India

4Department of Chemical Engineering, SSN College of Engineering, Chennai-603 110, India

 

    

*Corresponding Author Email :

msvasan.chem@gmail.com

 

 

 

Abstract

 

Aim: In this study, the adsorption ability of surface modified magnetite nanoparticles was investigated.    

 

Methodology: Magnetite nanoparticles (MNs) were prepared by solvothermal method and the surface was modified by 3-(2-Aminoethylamino) propyldimethoxymethylsilane (AEAPS) and utilized as an adsorbent against nickel ions in aqueous solution. Characteristic studies were performed to study the various properties of MNs before and after surface modification. Ni2+ adsorption was studied as a function of contact time, initial concentration and adsorbent dosage at neutral pH and constant temperature (100 ?C).    

 

Results: Presence of required characteristic peaks in IR spectrum and X-ray diffraction (XRD) patterns revealed formation of magnetite and surface modification. Spherical and defined morphology of surface modified MNs (aMNs) was studied through electron micrographs. The kinetic data obeyed the first-order equation.    

 

Interpretation: Surface modified MNs can be used for the efficient removal of Ni2+ from aqueous solution. Also, the kinetics study revealed the adsorption capacity of MNs against nickel ions.

 

Key words: Adsorption, Kinetics, Magnetite, Nanoparticles, Nickel ions

 

 

 

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