Fabrication and characterization of Gum arabic-cl-poly(acrylamide) nanohydrogel for effective adsorption of crystal violet dye

Gaurav Sharma, Amit Kumar, Mu Naushad, Alberto García-Peñas, Ala Al-Muhtaseb, Ayman A. Ghfar, Vikrant Sharma, Tansir Ahamad, Florian J. Stadler

Research output: Contribution to journalArticle

34 Citations (Scopus)

Abstract

Natural biopolymers are better adsorbents due to better functionality, surface area, bio-compatibility and ease of procurement. The gum arabic in natural biopolymer derived from Acacia Arabic species. In the present work a novel nanohydrogel of gum arabic with acrylamide has been fabricated using microwave synthesis for adsorption of noxious crystal violet dye from aqueous medium. The prepared gum arabic-cl-poly(acrylamide) nanohydrogel (GA-cl-poly(AAm)) NHG was characterized by numerous techniques including SEM, XRD, TEM and FTIR. The GA-cl-poly(AAm) NHG showed promising adsorption ability for crystal violet dye. The effect of various adsorption factors such as concentration of GA-cl-poly(AAm) NHG and crystal violet, pH, temperature and time has been studied and reported. For understanding the adsorption mechanism three models Langmuir, Freundlich and Temkin were applied to adsorption data The kinetics and thermodynamics of adsorption were also investigated The adsorption capacity of crystal violet onto GA-cl-poly(AAm) NHG according to Langmuir model is found to be 90.90 mg/g.

Original languageEnglish
Pages (from-to)444-453
Number of pages10
JournalCarbohydrate Polymers
Volume202
DOIs
Publication statusPublished - Dec 15 2018

Fingerprint

Gum Arabic
Gentian Violet
Polyacrylates
Coloring Agents
Dyes
Adsorption
Fabrication
Crystals
Biopolymers
Acrylamide
Biocompatibility
Adsorbents
Microwaves
Thermodynamics
Transmission electron microscopy
Scanning electron microscopy
Kinetics
polyacrylamide

Keywords

  • Adsorption
  • Crystal violet
  • Gum arabic
  • Langmuir isotherm
  • Nanohydrogel

ASJC Scopus subject areas

  • Organic Chemistry
  • Polymers and Plastics
  • Materials Chemistry

Cite this

Fabrication and characterization of Gum arabic-cl-poly(acrylamide) nanohydrogel for effective adsorption of crystal violet dye. / Sharma, Gaurav; Kumar, Amit; Naushad, Mu; García-Peñas, Alberto; Al-Muhtaseb, Ala; Ghfar, Ayman A.; Sharma, Vikrant; Ahamad, Tansir; Stadler, Florian J.

In: Carbohydrate Polymers, Vol. 202, 15.12.2018, p. 444-453.

Research output: Contribution to journalArticle

Sharma, Gaurav ; Kumar, Amit ; Naushad, Mu ; García-Peñas, Alberto ; Al-Muhtaseb, Ala ; Ghfar, Ayman A. ; Sharma, Vikrant ; Ahamad, Tansir ; Stadler, Florian J. / Fabrication and characterization of Gum arabic-cl-poly(acrylamide) nanohydrogel for effective adsorption of crystal violet dye. In: Carbohydrate Polymers. 2018 ; Vol. 202. pp. 444-453.
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