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Adsorption studies on fruits of Gular (Ficus glomerata): removal of Cr(VI) from synthetic wastewater.
J Hazard Mater. 2010 Sep 15; 181(1-3):405-12.JH

Abstract

The adsorption of Cr(VI) was studied in batch system using fruits of Ficus glomerata as adsorbent. The effect of temperature, pH, initial Cr(VI) concentration and time was investigated. Scanning electron microscopy (SEM) and Fourier transform infrared spectroscopy (FTIR) was used to investigate surface morphology and active functional groups present on the adsorbent surface. Thermodynamic parameters like free energy change (DeltaG(0)), enthalpy (DeltaH(0)) and entropy (DeltaS(0)) indicate the spontaneous, endothermic and increased randomness nature of Cr(VI) adsorption. Equilibrium data were fitted well with Langmuir isotherm at 50 degrees C. The magnitude of mean free energy indicates chemical nature of adsorption. The breakthrough and exhaustive capacities were found to be 5 and 23.1 mg g(-1) respectively. The applicability of the adsorbent has been demonstrated by removing Cr(VI) from electroplating wastewater.

Authors+Show Affiliations

Department of Applied Chemistry, Faculty of Engineering and Technology, Aligarh Muslim University, Aligarh, UP, India. rakrao1@rediffmail.comNo affiliation info available

Pub Type(s)

Journal Article

Language

eng

PubMed ID

20605325

Citation

Rao, Rifaqat A K., and Fouzia Rehman. "Adsorption Studies On Fruits of Gular (Ficus Glomerata): Removal of Cr(VI) From Synthetic Wastewater." Journal of Hazardous Materials, vol. 181, no. 1-3, 2010, pp. 405-12.
Rao RA, Rehman F. Adsorption studies on fruits of Gular (Ficus glomerata): removal of Cr(VI) from synthetic wastewater. J Hazard Mater. 2010;181(1-3):405-12.
Rao, R. A., & Rehman, F. (2010). Adsorption studies on fruits of Gular (Ficus glomerata): removal of Cr(VI) from synthetic wastewater. Journal of Hazardous Materials, 181(1-3), 405-12. https://doi.org/10.1016/j.jhazmat.2010.05.025
Rao RA, Rehman F. Adsorption Studies On Fruits of Gular (Ficus Glomerata): Removal of Cr(VI) From Synthetic Wastewater. J Hazard Mater. 2010 Sep 15;181(1-3):405-12. PubMed PMID: 20605325.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Adsorption studies on fruits of Gular (Ficus glomerata): removal of Cr(VI) from synthetic wastewater. AU - Rao,Rifaqat A K, AU - Rehman,Fouzia, Y1 - 2010/05/12/ PY - 2010/01/22/received PY - 2010/05/04/revised PY - 2010/05/05/accepted PY - 2010/7/8/entrez PY - 2010/7/8/pubmed PY - 2010/10/29/medline SP - 405 EP - 12 JF - Journal of hazardous materials JO - J Hazard Mater VL - 181 IS - 1-3 N2 - The adsorption of Cr(VI) was studied in batch system using fruits of Ficus glomerata as adsorbent. The effect of temperature, pH, initial Cr(VI) concentration and time was investigated. Scanning electron microscopy (SEM) and Fourier transform infrared spectroscopy (FTIR) was used to investigate surface morphology and active functional groups present on the adsorbent surface. Thermodynamic parameters like free energy change (DeltaG(0)), enthalpy (DeltaH(0)) and entropy (DeltaS(0)) indicate the spontaneous, endothermic and increased randomness nature of Cr(VI) adsorption. Equilibrium data were fitted well with Langmuir isotherm at 50 degrees C. The magnitude of mean free energy indicates chemical nature of adsorption. The breakthrough and exhaustive capacities were found to be 5 and 23.1 mg g(-1) respectively. The applicability of the adsorbent has been demonstrated by removing Cr(VI) from electroplating wastewater. SN - 1873-3336 UR - https://www.unboundmedicine.com/medline/citation/20605325/Adsorption_studies_on_fruits_of_Gular__Ficus_glomerata_:_removal_of_Cr_VI__from_synthetic_wastewater_ L2 - https://linkinghub.elsevier.com/retrieve/pii/S0304-3894(10)00608-4 DB - PRIME DP - Unbound Medicine ER -