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Biosorption of phenol and chlorophenols from aqueous solutions by fungal mycelia

Paper ID Volume ID Publish Year Pages File Format Full-Text
36277 45127 2006 6 PDF Available
Title
Biosorption of phenol and chlorophenols from aqueous solutions by fungal mycelia
Abstract

Batch experiments were conducted to study the biosorption of phenolic compounds from aqueous solutions by non-living Phanerochaete chrysosporium   mycelial pellets. Phenol, 2-chlorophenol (2-CP), 4-chlorophenol (4-CP) and 2,4-dichlorophenol (2,4-DCP) were chosen for the biosorption tests. The adsorption equilibrium of phenol and 2-CP, 4-CP and 2,4-DCP from aqueous solutions by mycelial pellets could be well described with Freundlich equation. Their sorption capacity on mycelial pellets was in the order of: phenol ≪2-CP<4-CP≪2,4-DCP≪2-CP<4-CP≪2,4-DCP. Their adsorption increased with decreasing water solubility and increasing octanol–water partitioning coefficient. The presence of 2-CP or 4-CP and the initial concentrations of 2-CP or 4-CP had no significant effect on the sorption of 2,4-DCP on fungal mycelial pellets, demonstrating that simple surface adsorption might not be responsible for the adsorption of phenolic compounds. These results suggest that partitioning was largely involved in biosorption mechanisms, and that hydrophobicity might govern the biosorption of phenolic compounds by fungal mycelia biomass.

Keywords
Biosorption; Equilibrium isotherm; Mycelial pellets; Partition; Phanerochaete chrysosporium; Phenolic compounds
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Biosorption of phenol and chlorophenols from aqueous solutions by fungal mycelia
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Publisher
Database: Elsevier - ScienceDirect
Journal: Process Biochemistry - Volume 41, Issue 1, January 2006, Pages 44–49
Authors
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Subjects
Physical Sciences and Engineering Chemical Engineering Bioengineering
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Price was $35.95
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