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Removal of phenol in aqueous solution by adsorption onto green synthesized coinage nanoparticles beads

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Title: Removal of phenol in aqueous solution by adsorption onto green synthesized coinage nanoparticles beads
Authors: Pal, Jolly Browse this author
Deb, Manas Kanti Browse this author
Deshmukh, Dhananjay Kumar Browse this author
Keywords: Silver nanoparticles
Gold nanoparticles
Issue Date: 25-Dec-2014
Publisher: Springer
Journal Title: Research on chemical intermediates
Volume: 41
Issue: 11
Start Page: 8363
End Page: 8379
Publisher DOI: 10.1007/s11164-014-1898-9
Abstract: The adsorption of phenol from aqueous solution was carried out by using alginate-stabilized silver nanoparticles (AgNPs) and gold nanoparticles (AuNPs) beads as adsorbents. The resulting AgNPs and AuNPs were characterized by scanning electron microscope, UV-visible spectroscopy and Fourier transform infrared spectroscopy. Batch adsorption studies have shown that removal is dependent upon process parameters like initial concentration, contact time, pH and adsorbent dosage. The adsorption data obtained from batch studies at optimized conditions have been subjected to Freundlich and Langmuir isotherm studies. The pseudo-first-order and pseudo-second-order kinetic models were also applied to the experimental data. Phenol was effectively (90.0 +/- A 0.8 %) removed from the aqueous solution using alginate-stabilized AuNPs beads as the adsorption process. Desorption studies were made to elucidate recovery of the adsorbate and adsorbent for the economic competitiveness of the removal system. The alginate-stabilized AgNPs and AuNPs beads were found to be good adsorbents for adsorption of phenol from the aqueous solution.
Rights: The final publication is available at
Type: article (author version)
Appears in Collections:低温科学研究所 (Institute of Low Temperature Science) > 雑誌発表論文等 (Peer-reviewed Journal Articles, etc)

Submitter: Dhananjay Kumar Deshmukh

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