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Biosorption of 2,4-dichlorophenol from aqueous solution by Phanerochaete chrysosporium biomass: isotherms, kinetics and thermodynamics.
J Hazard Mater. 2006 Sep 01; 137(1):498-508.JH

Abstract

The biosorption of 2,4-dichlorophenol (2,4-DCP) from aqueous solution on non-living mycelial pellets of Phanerochaete chrysosporium was studied with respect to pH, initial concentration of 2,4-DCP, temperature and pellet size. The fungal biomass exhibited the highest sorption capacity of 4.09 mg/g at an initial pH of 5.0, initial 2,4-DCP concentration of 50.48 mg/l, 25 degrees C and a pellet size of 1.0-1.5 mm in the investigated pH 2.0-11.0, initial concentrations of 5-50 mg/l, temperature 25-50 degrees C, and pellet size of 1.0-2.5 mm. The Freundlich model exhibited a slightly better fit to the biosorption data of 2,4-DCP than the Langmuir model. The biosorption of 2,4-DCP to biomass followed pseudo second-order adsorption kinetics. The second-order kinetic constants decreased with increasing temperature, and the apparent activation energy of biosorption was estimated to be -16.95 kJ/mol. The thermodynamic analysis indicates that the biosorption process was exothermic and that the adsorption of 2,4-DCP on P. chrysosporium might be physical in nature. Both intraparticle diffusion and kinetic resistances might affect the adsorption rate and that their relative effects varied with operation temperature in the biosorption of 2,4-DCP by mycelial pellets.

Authors+Show Affiliations

Wu J
Laboratory of Environmental Engineering, School of Chemistry, University of Science & Technology of China, Hefei 230026, Anhui, China.
Yu HQ
No affiliation info available

MeSH

AdsorptionBiomassChlorophenolsDiffusionHydrogen-Ion ConcentrationIndustrial WasteKineticsModels, ChemicalPhanerochaetePhenolsTemperatureThermodynamicsWater Pollutants, ChemicalWater Purification

Pub Type(s)

Journal Article
Research Support, Non-U.S. Gov't

Language

eng

PubMed ID

16621252

Citation

Wu, Juan, and Han-Qing Yu. "Biosorption of 2,4-dichlorophenol From Aqueous Solution By Phanerochaete Chrysosporium Biomass: Isotherms, Kinetics and Thermodynamics." Journal of Hazardous Materials, vol. 137, no. 1, 2006, pp. 498-508.
Wu J, Yu HQ. Biosorption of 2,4-dichlorophenol from aqueous solution by Phanerochaete chrysosporium biomass: isotherms, kinetics and thermodynamics. J Hazard Mater. 2006;137(1):498-508.
Wu, J., & Yu, H. Q. (2006). Biosorption of 2,4-dichlorophenol from aqueous solution by Phanerochaete chrysosporium biomass: isotherms, kinetics and thermodynamics. Journal of Hazardous Materials, 137(1), 498-508.
Wu J, Yu HQ. Biosorption of 2,4-dichlorophenol From Aqueous Solution By Phanerochaete Chrysosporium Biomass: Isotherms, Kinetics and Thermodynamics. J Hazard Mater. 2006 Sep 1;137(1):498-508. PubMed PMID: 16621252.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Biosorption of 2,4-dichlorophenol from aqueous solution by Phanerochaete chrysosporium biomass: isotherms, kinetics and thermodynamics. AU - Wu,Juan, AU - Yu,Han-Qing, Y1 - 2006/02/28/ PY - 2005/09/16/received PY - 2006/01/18/revised PY - 2006/02/17/accepted PY - 2006/4/20/pubmed PY - 2007/1/11/medline PY - 2006/4/20/entrez SP - 498 EP - 508 JF - Journal of hazardous materials JO - J Hazard Mater VL - 137 IS - 1 N2 - The biosorption of 2,4-dichlorophenol (2,4-DCP) from aqueous solution on non-living mycelial pellets of Phanerochaete chrysosporium was studied with respect to pH, initial concentration of 2,4-DCP, temperature and pellet size. The fungal biomass exhibited the highest sorption capacity of 4.09 mg/g at an initial pH of 5.0, initial 2,4-DCP concentration of 50.48 mg/l, 25 degrees C and a pellet size of 1.0-1.5 mm in the investigated pH 2.0-11.0, initial concentrations of 5-50 mg/l, temperature 25-50 degrees C, and pellet size of 1.0-2.5 mm. The Freundlich model exhibited a slightly better fit to the biosorption data of 2,4-DCP than the Langmuir model. The biosorption of 2,4-DCP to biomass followed pseudo second-order adsorption kinetics. The second-order kinetic constants decreased with increasing temperature, and the apparent activation energy of biosorption was estimated to be -16.95 kJ/mol. The thermodynamic analysis indicates that the biosorption process was exothermic and that the adsorption of 2,4-DCP on P. chrysosporium might be physical in nature. Both intraparticle diffusion and kinetic resistances might affect the adsorption rate and that their relative effects varied with operation temperature in the biosorption of 2,4-DCP by mycelial pellets. SN - 0304-3894 UR - https://www.unboundmedicine.com/medline/citation/16621252/Biosorption_of_24_dichlorophenol_from_aqueous_solution_by_Phanerochaete_chrysosporium_biomass:_isotherms_kinetics_and_thermodynamics_ DB - PRIME DP - Unbound Medicine ER -