Remediation of phenol-contaminated water by adsorption using poly(methyl methacrylate) (PMMA)

Ala'a H. Al-Muhtaseb, Khalid A. Ibrahim, Ahmad B. Albadarin, Omar Ali-khashman, Gavin M. Walker, Mohammad N M Ahmad

Research output: Contribution to journalArticle

61 Citations (Scopus)

Abstract

Recently polymeric adsorbents have been emerging as highly effective alternatives to activated carbons for pollutant removal from industrial effluents. Poly(methyl methacrylate) (PMMA), polymerized using the atom transfer radical polymerization (ATRP) technique has been investigated for its feasibility to remove phenol from aqueous solution. Adsorption equilibrium and kinetic investigations were undertaken to evaluate the effect of contact time, initial concentration (10-90. mg/L), and temperature (25-55°C). Phenol uptake was found to increase with increase in initial concentration and agitation time. The adsorption kinetics were found to follow the pseudo-second-order kinetic model. The intraparticle diffusion analysis indicated that film diffusion may be the rate controlling step in the removal process. Experimental equilibrium data were fitted to five different isotherm models namely Langmuir, Freundlich, Dubinin-Radushkevich, Temkin and Redlich-Peterson by non-linear least square regression and their goodness-of-fit evaluated in terms of mean relative error (MRE) and standard error of estimate (SEE). The adsorption equilibrium data were best represented by Freundlich and Redlich-Peterson isotherms. Thermodynamic parameters such as Δ. G° and Δ. H° indicated that the sorption process is exothermic and spontaneous in nature and that higher ambient temperature results in more favourable adsorption.

Original languageEnglish
Pages (from-to)691-699
Number of pages9
JournalChemical Engineering Journal
Volume168
Issue number2
DOIs
Publication statusPublished - Apr 1 2011

Fingerprint

Polymethyl Methacrylate
Phenol
Remediation
Polymethyl methacrylates
Phenols
phenol
remediation
adsorption
Adsorption
Water
kinetics
Kinetics
Isotherms
isotherm
water
pollutant removal
Atom transfer radical polymerization
polymerization
Activated carbon
Adsorbents

Keywords

  • Adsorption isotherm
  • FTIR
  • Kinetics
  • Phenol
  • Poly(methyl methacrylate)
  • Thermodynamics

ASJC Scopus subject areas

  • Chemical Engineering(all)
  • Chemistry(all)
  • Industrial and Manufacturing Engineering
  • Environmental Chemistry

Cite this

Remediation of phenol-contaminated water by adsorption using poly(methyl methacrylate) (PMMA). / Al-Muhtaseb, Ala'a H.; Ibrahim, Khalid A.; Albadarin, Ahmad B.; Ali-khashman, Omar; Walker, Gavin M.; Ahmad, Mohammad N M.

In: Chemical Engineering Journal, Vol. 168, No. 2, 01.04.2011, p. 691-699.

Research output: Contribution to journalArticle

Al-Muhtaseb, Ala'a H. ; Ibrahim, Khalid A. ; Albadarin, Ahmad B. ; Ali-khashman, Omar ; Walker, Gavin M. ; Ahmad, Mohammad N M. / Remediation of phenol-contaminated water by adsorption using poly(methyl methacrylate) (PMMA). In: Chemical Engineering Journal. 2011 ; Vol. 168, No. 2. pp. 691-699.
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