Tags

Type your tag names separated by a space and hit enter

Applications of Brazilian pine-fruit shell in natural and carbonized forms as adsorbents to removal of methylene blue from aqueous solutions--kinetic and equilibrium study.
J Hazard Mater. 2009 May 30; 164(2-3):1213-22.JH

Abstract

The Brazilian pine-fruit shell (Araucaria angustifolia) is a food residue, which was used in natural and carbonized forms, as low-cost adsorbents for the removal of methylene blue (MB) from aqueous solutions. Chemical treatment of Brazilian pine-fruit shell (PW), with sulfuric acid produced a non-activated carbonaceous material (C-PW). Both PW and C-PW were tested as low-cost adsorbents for the removal of MB from aqueous effluents. It was observed that C-PW leaded to a remarkable increase in the specific surface area, average porous volume, and average porous diameter of the adsorbent when compared to PW. The effects of shaking time, adsorbent dosage and pH on adsorption capacity were studied. In basic pH region (pH 8.5) the adsorption of MB was favorable. The contact time required to obtain the equilibrium was 6 and 4h at 25 degrees C, using PW and C-PW as adsorbents, respectively. Based on error function values (F(error)) the kinetic data were better fitted to fractionary-order kinetic model when compared to pseudo-first order, pseudo-second order, and chemisorption kinetic models. The equilibrium data were fitted to Langmuir, Freundlich, Sips and Redlich-Peterson isotherm models. For MB dye the equilibrium data were better fitted to the Sips isotherm model using PW and C-PW as adsorbents.

Links

Publisher Full Text

Authors+Show Affiliations

Royer B
Instituto de Química, Universidade Federal do Rio Grande do Sul, Porto Alegre, RS, Brazil.
Cardoso NF
No affiliation info available
Lima EC
No affiliation info available
Vaghetti JC
No affiliation info available
Simon NM
No affiliation info available
Calvete T
No affiliation info available
Veses RC
No affiliation info available

MeSH

AdsorptionBrazilHydrogen-Ion ConcentrationKineticsMethylene BlueNutsPinusWater Pollutants, ChemicalWater Purification

Pub Type(s)

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

Language

eng

PubMed ID

18930589

Citation

Royer, Betina, et al. "Applications of Brazilian Pine-fruit Shell in Natural and Carbonized Forms as Adsorbents to Removal of Methylene Blue From Aqueous Solutions--kinetic and Equilibrium Study." Journal of Hazardous Materials, vol. 164, no. 2-3, 2009, pp. 1213-22.
Royer B, Cardoso NF, Lima EC, et al. Applications of Brazilian pine-fruit shell in natural and carbonized forms as adsorbents to removal of methylene blue from aqueous solutions--kinetic and equilibrium study. J Hazard Mater. 2009;164(2-3):1213-22.
Royer, B., Cardoso, N. F., Lima, E. C., Vaghetti, J. C., Simon, N. M., Calvete, T., & Veses, R. C. (2009). Applications of Brazilian pine-fruit shell in natural and carbonized forms as adsorbents to removal of methylene blue from aqueous solutions--kinetic and equilibrium study. Journal of Hazardous Materials, 164(2-3), 1213-22. https://doi.org/10.1016/j.jhazmat.2008.09.028
Royer B, et al. Applications of Brazilian Pine-fruit Shell in Natural and Carbonized Forms as Adsorbents to Removal of Methylene Blue From Aqueous Solutions--kinetic and Equilibrium Study. J Hazard Mater. 2009 May 30;164(2-3):1213-22. PubMed PMID: 18930589.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Applications of Brazilian pine-fruit shell in natural and carbonized forms as adsorbents to removal of methylene blue from aqueous solutions--kinetic and equilibrium study. AU - Royer,Betina, AU - Cardoso,Natali F, AU - Lima,Eder C, AU - Vaghetti,Julio C P, AU - Simon,Nathalia M, AU - Calvete,Tatiana, AU - Veses,Renato Cataluña, Y1 - 2008/09/16/ PY - 2008/08/12/received PY - 2008/09/03/revised PY - 2008/09/07/accepted PY - 2008/10/22/pubmed PY - 2009/5/19/medline PY - 2008/10/22/entrez SP - 1213 EP - 22 JF - Journal of hazardous materials JO - J Hazard Mater VL - 164 IS - 2-3 N2 - The Brazilian pine-fruit shell (Araucaria angustifolia) is a food residue, which was used in natural and carbonized forms, as low-cost adsorbents for the removal of methylene blue (MB) from aqueous solutions. Chemical treatment of Brazilian pine-fruit shell (PW), with sulfuric acid produced a non-activated carbonaceous material (C-PW). Both PW and C-PW were tested as low-cost adsorbents for the removal of MB from aqueous effluents. It was observed that C-PW leaded to a remarkable increase in the specific surface area, average porous volume, and average porous diameter of the adsorbent when compared to PW. The effects of shaking time, adsorbent dosage and pH on adsorption capacity were studied. In basic pH region (pH 8.5) the adsorption of MB was favorable. The contact time required to obtain the equilibrium was 6 and 4h at 25 degrees C, using PW and C-PW as adsorbents, respectively. Based on error function values (F(error)) the kinetic data were better fitted to fractionary-order kinetic model when compared to pseudo-first order, pseudo-second order, and chemisorption kinetic models. The equilibrium data were fitted to Langmuir, Freundlich, Sips and Redlich-Peterson isotherm models. For MB dye the equilibrium data were better fitted to the Sips isotherm model using PW and C-PW as adsorbents. SN - 1873-3336 UR - https://www.unboundmedicine.com/medline/citation/18930589/Applications_of_Brazilian_pine_fruit_shell_in_natural_and_carbonized_forms_as_adsorbents_to_removal_of_methylene_blue_from_aqueous_solutions__kinetic_and_equilibrium_study_ L2 - https://linkinghub.elsevier.com/retrieve/pii/S0304-3894(08)01366-6 DB - PRIME DP - Unbound Medicine ER -