Artemisia vulgaris-derived mesoporous honeycomb-shaped activated carbon for ibuprofen adsorption

Shashi Prabha Dubey, Amarendra Dhar Dwivedi, Mika Sillanpää, Krishna Gopal

Research output: Contribution to journalArticlepeer-review

112 Citations (Scopus)

Abstract

The purpose of the present work was to synthesize a novel mesoporous activated carbon from an invasive weed to investigate its potential application for removal of the emerging organic contaminants in waters. The worldwide highly consumable non-steroidal anti-inflammatory drug (NSAID); ibuprofen (Ibu), was chosen for the study due to its toxicity and global occurrence in waters. Keeping this in mind, Artemisia vulgaris (common name: Mugwort) leaves were processed by physical and chemical activation to obtain the mesoporous honeycomb-structured activated carbon (MAC) to mitigate Ibu. To understand the activity of the activated carbon towards contaminant, adsorption batch mode process was investigated for the solid-liquid phase characteristics of Ibu-water system. Both kinetic and equilibrium models were evaluated over a wide range of conditions to determine the rate laws and maximum Ibu uptake capacity. A decisive reliance of adsorption capacity on pH was observed in pH range from 2 to 9. The high surface area (358.20m2/g), mesoporosity (2.46nm) and surface functionality of MAC played significant role in Ibu uptake. Plausible mechanistic findings for adsorptive mitigation were substantiated by spectroscopic techniques viz. SEM, FTIR, EDX and ζ potentiometry.

Original languageEnglish
Pages (from-to)537-544
Number of pages8
JournalChemical Engineering Journal
Volume165
Issue number2
DOIs
Publication statusPublished - 1 Dec 2010
Externally publishedYes

Keywords

  • Ibuprofen
  • Langmuir-Freundlich
  • Mesoporous carbon
  • Mugwort
  • ζ Potential

ASJC Scopus subject areas

  • General Chemistry
  • Environmental Chemistry
  • General Chemical Engineering
  • Industrial and Manufacturing Engineering

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