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Fly ash-based geopolymer for Pb removal from aqueous solution.
J Hazard Mater. 2011 Apr 15; 188(1-3):414-21.JH

Abstract

The aim of this work was to synthesis highly amorphous geopolymer from waste coal fly ash, to be used as an adsorbent for lead Pb(II) removal from aqueous wastewater. The effect of various parameters including geopolymer dosage, initial concentration, contact time, pH and temperature on lead adsorption were investigated. The major components of the used ash in the current study were SiO(2), Al(2)O(3) and Fe(2)O(3) representing 91.53 wt% of its mass. It was found that the synthesized geopolymer has higher removal capacity for lead ions when compared with that of raw coal fly ash. The removal efficiency increases with increasing geopolymer dosage, contact time, temperature, and the decrease of Pb(2+) initial concentration. The optimum removal efficiency was obtained at pH 5. Adsorption isotherm study indicated that Langmuir isotherm model is the best fit for the experimental data than Freundlich model. It was found also that the adsorption process is endothermic and more favorable at higher temperatures.

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Authors+Show Affiliations

Al-Zboon K
Al-Huson University College, Al-Balqa' Applied University, PO Box 50, Al-Huson, Irbid 21510, Jordan. kalzboon@yahoo.com
Al-Harahsheh MS
No affiliation info available
Hani FB
No affiliation info available

MeSH

AdsorptionCarbonCoal AshHydrogen-Ion ConcentrationLeadParticulate MatterPolymersSolutionsTemperatureWater Pollutants, ChemicalWater Purification

Pub Type(s)

Journal Article

Language

eng

PubMed ID

21349635

Citation

Al-Zboon, Kamel, et al. "Fly Ash-based Geopolymer for Pb Removal From Aqueous Solution." Journal of Hazardous Materials, vol. 188, no. 1-3, 2011, pp. 414-21.
Al-Zboon K, Al-Harahsheh MS, Hani FB. Fly ash-based geopolymer for Pb removal from aqueous solution. J Hazard Mater. 2011;188(1-3):414-21.
Al-Zboon, K., Al-Harahsheh, M. S., & Hani, F. B. (2011). Fly ash-based geopolymer for Pb removal from aqueous solution. Journal of Hazardous Materials, 188(1-3), 414-21. https://doi.org/10.1016/j.jhazmat.2011.01.133
Al-Zboon K, Al-Harahsheh MS, Hani FB. Fly Ash-based Geopolymer for Pb Removal From Aqueous Solution. J Hazard Mater. 2011 Apr 15;188(1-3):414-21. PubMed PMID: 21349635.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Fly ash-based geopolymer for Pb removal from aqueous solution. AU - Al-Zboon,Kamel, AU - Al-Harahsheh,Mohammad S, AU - Hani,Falah Bani, Y1 - 2011/02/23/ PY - 2010/09/16/received PY - 2011/01/27/revised PY - 2011/01/31/accepted PY - 2011/2/26/entrez PY - 2011/2/26/pubmed PY - 2011/7/16/medline SP - 414 EP - 21 JF - Journal of hazardous materials JO - J Hazard Mater VL - 188 IS - 1-3 N2 - The aim of this work was to synthesis highly amorphous geopolymer from waste coal fly ash, to be used as an adsorbent for lead Pb(II) removal from aqueous wastewater. The effect of various parameters including geopolymer dosage, initial concentration, contact time, pH and temperature on lead adsorption were investigated. The major components of the used ash in the current study were SiO(2), Al(2)O(3) and Fe(2)O(3) representing 91.53 wt% of its mass. It was found that the synthesized geopolymer has higher removal capacity for lead ions when compared with that of raw coal fly ash. The removal efficiency increases with increasing geopolymer dosage, contact time, temperature, and the decrease of Pb(2+) initial concentration. The optimum removal efficiency was obtained at pH 5. Adsorption isotherm study indicated that Langmuir isotherm model is the best fit for the experimental data than Freundlich model. It was found also that the adsorption process is endothermic and more favorable at higher temperatures. SN - 1873-3336 UR - https://www.unboundmedicine.com/medline/citation/21349635/Fly_ash_based_geopolymer_for_Pb_removal_from_aqueous_solution_ L2 - https://linkinghub.elsevier.com/retrieve/pii/S0304-3894(11)00182-8 DB - PRIME DP - Unbound Medicine ER -