Indian Journal of Chemical Technology

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Adsorptive Removal of Malachite Green Using Ferromagnetic Sterculia Gum – Graft-Poly(n-Isopropylacrylamide-Co-Acrylamide)/Magnetite Nanocomposite


Affiliations
1 Department of Physical Sciences, Sant Baba Bhag Singh University, Jalandhar, Punjab 144 030, India
 

In present scenario, anthropogenic activities have degraded the quality of water bodies to an unbearable level. Discharge of untreated industrial and other effluents have made the water unconsumable. Present work is an attempt to fabricate new stimuli responsive adsorbent based on natural exudate gum sterculia, an indigenous natural gum for uptake of a cationic dye malachite green. Magnetic field responsive terculia gum–graft-poly(n-isopropylacrylamide-co-acrylamide) nanocomposite have been prepared and assessed it as adsorbents for enrichment of malachite green from aqueous solution. The nanocomposite is characterized by FTIR, TG-DTA, VSM and swelling studies. The VSM results have shown is superparamagnetic behaviour of nanocomposite with saturation magnetization of 1.5065 emu/g. The adsorption follows Temkin isotherm and results indicate maximum adsorption capacity of 19.977 (98.78%) malachite green. The desorption studies demonstrates excellent recovery ability of nanocomposite. The adsorption study confirms the prospective applications of polysaccharide based magnetic hydrogel for the fruitful and greener disposal of cationic dyes.

Keywords

Adsorption, Ferromagnetic, Magnetite, Malachite Green, Recycling, Sterculia Gum.
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  • Adsorptive Removal of Malachite Green Using Ferromagnetic Sterculia Gum – Graft-Poly(n-Isopropylacrylamide-Co-Acrylamide)/Magnetite Nanocomposite

Abstract Views: 61  |  PDF Views: 29

Authors

S. K. Tank
Department of Physical Sciences, Sant Baba Bhag Singh University, Jalandhar, Punjab 144 030, India
N. Sharma
Department of Physical Sciences, Sant Baba Bhag Singh University, Jalandhar, Punjab 144 030, India

Abstract


In present scenario, anthropogenic activities have degraded the quality of water bodies to an unbearable level. Discharge of untreated industrial and other effluents have made the water unconsumable. Present work is an attempt to fabricate new stimuli responsive adsorbent based on natural exudate gum sterculia, an indigenous natural gum for uptake of a cationic dye malachite green. Magnetic field responsive terculia gum–graft-poly(n-isopropylacrylamide-co-acrylamide) nanocomposite have been prepared and assessed it as adsorbents for enrichment of malachite green from aqueous solution. The nanocomposite is characterized by FTIR, TG-DTA, VSM and swelling studies. The VSM results have shown is superparamagnetic behaviour of nanocomposite with saturation magnetization of 1.5065 emu/g. The adsorption follows Temkin isotherm and results indicate maximum adsorption capacity of 19.977 (98.78%) malachite green. The desorption studies demonstrates excellent recovery ability of nanocomposite. The adsorption study confirms the prospective applications of polysaccharide based magnetic hydrogel for the fruitful and greener disposal of cationic dyes.

Keywords


Adsorption, Ferromagnetic, Magnetite, Malachite Green, Recycling, Sterculia Gum.

References