Humic acid based biopolymeric membrane for effective removal of methylene blue and rhodamine B

Seema S. Shenvi, Arun M. Isloor, Ahmad F. Ismail, Simon J. Shilton, Amir Al Ahmed

Research output: Contribution to journalArticle

44 Citations (Scopus)

Abstract

Humic acid was immobilized on a polypropylene supported sodium alginate/hydroxyethyl cellulose blend membrane in the current work. The adsorption property of this membrane for the removal of cationic dyes, namely, methylene blue (MB) and rhodamine B (RhB) was extensively studied. Batch-adsorption experiments were conducted to investigate the adsorption behavior of dyes on the membrane with variation in adsorbent mass, initial dye concentration, pH, time and temperature. The membranes were characterized by Scanning electron microscopy (SEM), Energy dispersive X-ray analysis (EDX), Fourier transform infrared spectroscopy (FTIR) and Atomic force microscopy (AFM). Prepared membranes showed more than 98% removal capacity for both dyes under optimal conditions. Kinetic experiments revealed that, the pseudo second order model exhibited best correlation with the adsorption data. Dubinin-Radushkevich model indicated that, the adsorption of dyes onto the membrane surface was by simple physisorption. The membrane was easily regenerated by simple acid treatment and its efficiency remained significant even after four adsorption cycles.
LanguageEnglish
Pages4965-4975
Number of pages11
JournalIndustrial and Engineering Chemistry Research
Volume54
Issue number18
Early online date23 Apr 2015
DOIs
Publication statusPublished - 13 May 2015

Fingerprint

rhodamine B
Humic Substances
Methylene Blue
Membranes
Coloring Agents
Adsorption
Dyes
Sodium alginate
Physisorption
Energy dispersive X ray analysis
Polypropylenes
Cellulose
Adsorbents
Fourier transform infrared spectroscopy

Keywords

  • humic acid
  • reusability
  • adsorption
  • dyes
  • biopolymeric
  • methylene blue
  • rhodamine B

Cite this

Shenvi, Seema S. ; Isloor, Arun M. ; Ismail, Ahmad F. ; Shilton, Simon J. ; Al Ahmed, Amir. / Humic acid based biopolymeric membrane for effective removal of methylene blue and rhodamine B. In: Industrial and Engineering Chemistry Research. 2015 ; Vol. 54, No. 18. pp. 4965-4975.
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abstract = "Humic acid was immobilized on a polypropylene supported sodium alginate/hydroxyethyl cellulose blend membrane in the current work. The adsorption property of this membrane for the removal of cationic dyes, namely, methylene blue (MB) and rhodamine B (RhB) was extensively studied. Batch-adsorption experiments were conducted to investigate the adsorption behavior of dyes on the membrane with variation in adsorbent mass, initial dye concentration, pH, time and temperature. The membranes were characterized by Scanning electron microscopy (SEM), Energy dispersive X-ray analysis (EDX), Fourier transform infrared spectroscopy (FTIR) and Atomic force microscopy (AFM). Prepared membranes showed more than 98{\%} removal capacity for both dyes under optimal conditions. Kinetic experiments revealed that, the pseudo second order model exhibited best correlation with the adsorption data. Dubinin-Radushkevich model indicated that, the adsorption of dyes onto the membrane surface was by simple physisorption. The membrane was easily regenerated by simple acid treatment and its efficiency remained significant even after four adsorption cycles.",
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Humic acid based biopolymeric membrane for effective removal of methylene blue and rhodamine B. / Shenvi, Seema S.; Isloor, Arun M.; Ismail, Ahmad F.; Shilton, Simon J.; Al Ahmed, Amir.

In: Industrial and Engineering Chemistry Research, Vol. 54, No. 18, 13.05.2015, p. 4965-4975.

Research output: Contribution to journalArticle

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N2 - Humic acid was immobilized on a polypropylene supported sodium alginate/hydroxyethyl cellulose blend membrane in the current work. The adsorption property of this membrane for the removal of cationic dyes, namely, methylene blue (MB) and rhodamine B (RhB) was extensively studied. Batch-adsorption experiments were conducted to investigate the adsorption behavior of dyes on the membrane with variation in adsorbent mass, initial dye concentration, pH, time and temperature. The membranes were characterized by Scanning electron microscopy (SEM), Energy dispersive X-ray analysis (EDX), Fourier transform infrared spectroscopy (FTIR) and Atomic force microscopy (AFM). Prepared membranes showed more than 98% removal capacity for both dyes under optimal conditions. Kinetic experiments revealed that, the pseudo second order model exhibited best correlation with the adsorption data. Dubinin-Radushkevich model indicated that, the adsorption of dyes onto the membrane surface was by simple physisorption. The membrane was easily regenerated by simple acid treatment and its efficiency remained significant even after four adsorption cycles.

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