Effect of a biofilm on the adsorption of 4-chlorophenol on activated carbon

Piero Armenante, L. S. Colella, D. Kafkewitz, M. J. Larkin

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14 Scopus citations

Abstract

The adsorption of 4-chlorophenol (4-CP) on activated carbon was studied experimentally both in the presence and in the absence of an inactivated anaerobic biofilm on the surface of carbon pellets. The presence of the biofilm markedly decreased the rate of 4-CP adsorption. However, the final near-equilibrium state (at 27 h) was not affected, and the incremental amount of material adsorbed on the pellets was similar both in the presence and in the absence of the biofilm. The biosorption of 4-CP by a biofilm coating non-adsorbing pellets was also determined. It appears that the biofilm also has some adsorption capability. Freundlich-type equations were used to correlate all data, and transient and near-equilibrium isotherms were obtained for 4-CP adsorption on different adsorbing materials at different times.

Original languageEnglish (US)
Pages (from-to)667-672
Number of pages6
JournalApplied Microbiology and Biotechnology
Volume46
Issue number5-6
DOIs
StatePublished - Dec 1 1996

All Science Journal Classification (ASJC) codes

  • Biotechnology
  • Applied Microbiology and Biotechnology

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