Selective adsorption of trivalent metal ions from multielement solution by using gamma radiation-induced pectin-acrylamide-(2-Acrylamido-2-methyl-1-propanesulfonic acid) hydrogel

Md Murshed Bhuyan, Omondi Brian Adala, Hirotaka Okabe, Yoshiki Hidaka, Kazuhiro Hara

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2 Citations (Scopus)

Abstract

The present research is focused on the selective adsorption of trivalent metal ions from multielement solution by using functional hydrogel. The hydrogels were synthesized from the aqueous blend of Pectin, Acrylamide (AAm) and 2-Acrylamido-2-methyl-1-propanesulfonic acid (AMPS) by applying gamma radiation. The results of gel fraction and equilibrium swelling optimized 1:2:3 ratio of raw materials (pectin, AAm, and AMPS) and 2 kGy radiation dose for the preparation of hydrogels. The functional groups of the hydrogel were confirmed by Fourier transform infrared (FTIR) spectroscopy. The thermal properties were studied by differential scanning calorimetry (DSC) and scanning electron microscopy (SEM) equipped with energy dispersive X-ray spectroscopy (EDS) was used to analyze the surface morphology of hydrogels before and after metal adsorption. Hydrogels were applied to selective adsorption of five elements (Al, Cr, Fe, Ga, and In) from the multielement solution as well as adsorption from the manually prepared solution of five elements. The effect of pH on the adsorption capacity of hydrogel was examined. The adsorption data was used to study the adsorption isotherm models where the Freundlich adsorption isotherm model was found to be well fitted compared to the Langmuir adsorption isotherm model. From the Freundlich isotherm model, the maximum adsorption capacities of Al, Cr, Fe, Ga and In were found to be 11.34, 11.52, 11.92, 11.57 and 17.73 mg/g of gel respectively. Desorption efficiency was found to be about 80%. The research results suggest that the hydrogel can effectively be used for the recovery of above mentioned trivalent metal ions.

Original languageEnglish
Article number102844
JournalJournal of Environmental Chemical Engineering
Volume7
Issue number1
DOIs
Publication statusPublished - Feb 1 2019

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Acrylamide
Hydrogel
Hydrogels
Gamma rays
Metal ions
adsorption
Adsorption
Acids
ion
acid
metal
Adsorption isotherms
isotherm
Gels
gel
pectin
2-acrylamido-2-methylpropanesulfonate
gamma radiation
Functional groups
Dosimetry

All Science Journal Classification (ASJC) codes

  • Chemical Engineering (miscellaneous)
  • Waste Management and Disposal
  • Pollution
  • Process Chemistry and Technology

Cite this

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title = "Selective adsorption of trivalent metal ions from multielement solution by using gamma radiation-induced pectin-acrylamide-(2-Acrylamido-2-methyl-1-propanesulfonic acid) hydrogel",
abstract = "The present research is focused on the selective adsorption of trivalent metal ions from multielement solution by using functional hydrogel. The hydrogels were synthesized from the aqueous blend of Pectin, Acrylamide (AAm) and 2-Acrylamido-2-methyl-1-propanesulfonic acid (AMPS) by applying gamma radiation. The results of gel fraction and equilibrium swelling optimized 1:2:3 ratio of raw materials (pectin, AAm, and AMPS) and 2 kGy radiation dose for the preparation of hydrogels. The functional groups of the hydrogel were confirmed by Fourier transform infrared (FTIR) spectroscopy. The thermal properties were studied by differential scanning calorimetry (DSC) and scanning electron microscopy (SEM) equipped with energy dispersive X-ray spectroscopy (EDS) was used to analyze the surface morphology of hydrogels before and after metal adsorption. Hydrogels were applied to selective adsorption of five elements (Al, Cr, Fe, Ga, and In) from the multielement solution as well as adsorption from the manually prepared solution of five elements. The effect of pH on the adsorption capacity of hydrogel was examined. The adsorption data was used to study the adsorption isotherm models where the Freundlich adsorption isotherm model was found to be well fitted compared to the Langmuir adsorption isotherm model. From the Freundlich isotherm model, the maximum adsorption capacities of Al, Cr, Fe, Ga and In were found to be 11.34, 11.52, 11.92, 11.57 and 17.73 mg/g of gel respectively. Desorption efficiency was found to be about 80{\%}. The research results suggest that the hydrogel can effectively be used for the recovery of above mentioned trivalent metal ions.",
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T1 - Selective adsorption of trivalent metal ions from multielement solution by using gamma radiation-induced pectin-acrylamide-(2-Acrylamido-2-methyl-1-propanesulfonic acid) hydrogel

AU - Bhuyan, Md Murshed

AU - Adala, Omondi Brian

AU - Okabe, Hirotaka

AU - Hidaka, Yoshiki

AU - Hara, Kazuhiro

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AB - The present research is focused on the selective adsorption of trivalent metal ions from multielement solution by using functional hydrogel. The hydrogels were synthesized from the aqueous blend of Pectin, Acrylamide (AAm) and 2-Acrylamido-2-methyl-1-propanesulfonic acid (AMPS) by applying gamma radiation. The results of gel fraction and equilibrium swelling optimized 1:2:3 ratio of raw materials (pectin, AAm, and AMPS) and 2 kGy radiation dose for the preparation of hydrogels. The functional groups of the hydrogel were confirmed by Fourier transform infrared (FTIR) spectroscopy. The thermal properties were studied by differential scanning calorimetry (DSC) and scanning electron microscopy (SEM) equipped with energy dispersive X-ray spectroscopy (EDS) was used to analyze the surface morphology of hydrogels before and after metal adsorption. Hydrogels were applied to selective adsorption of five elements (Al, Cr, Fe, Ga, and In) from the multielement solution as well as adsorption from the manually prepared solution of five elements. The effect of pH on the adsorption capacity of hydrogel was examined. The adsorption data was used to study the adsorption isotherm models where the Freundlich adsorption isotherm model was found to be well fitted compared to the Langmuir adsorption isotherm model. From the Freundlich isotherm model, the maximum adsorption capacities of Al, Cr, Fe, Ga and In were found to be 11.34, 11.52, 11.92, 11.57 and 17.73 mg/g of gel respectively. Desorption efficiency was found to be about 80%. The research results suggest that the hydrogel can effectively be used for the recovery of above mentioned trivalent metal ions.

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