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Biosorption properties of hexavalent chromium on to biomass of tobacco-leaf residues.
Environ Technol. 2009 Sep; 30(10):1003-10.ET

Abstract

Equilibrium isotherms of Cr(VI) uptake by tobacco-leaf residues, under controlled solution pH and temperature, were obtained with batch uptake experiments. Batch uptake kinetics under different initial Cr(VI) concentrations was also obtained. The results showed that Cr(VI) uptake capacities of the tobacco-leaf residues were up to 113.2 mg g(-1) (dry wt). The uptake capacity was found to be dependent on solution pH and the maximum values were obtained at a pH of around 1.0. On the other hand, the effect of temperature the uptake capacity was found to be small. All equilibrium isotherms were well correlated with the standard Langmuir equation. Kinetics profiles showed that the uptake process was fast, and equilibrium was reached within 30 minutes of mixing contact. The role of polyphenols in Cr(VI) biosorption was studied and the results indicated that complex formation with Cr(VI) may be an important mechanism for Cr(VI) removal. The study indicated that abundantly available tobacco-leaf residues can be used as efficient biosorbent materials for Cr(VI) removal from wastewater.

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Authors+Show Affiliations

Chen Y
Department of Biotechnology of Taizhou College, Jiangsu Key Laboratory for Biodiversity and Biotechnology, College of Life Science, Nanjing Normal University, 1 Wenyuan Rd, Nanjing 210046, P.R. China. chenyuru@njnu.edu.cn
Tang G
No affiliation info available
Yu QJ
No affiliation info available
Zhang T
No affiliation info available
Chen Y
No affiliation info available
Gu T
No affiliation info available

MeSH

AdsorptionBiodegradation, EnvironmentalBiomassChromiumFlavonoidsHydrogen-Ion ConcentrationKineticsPhenolsPlant LeavesPolyphenolsSpectroscopy, Fourier Transform InfraredTemperatureThermodynamicsTobaccoWater Pollutants, ChemicalWater Purification

Pub Type(s)

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

Language

eng

PubMed ID

19886424

Citation

Chen, Yuru, et al. "Biosorption Properties of Hexavalent Chromium On to Biomass of Tobacco-leaf Residues." Environmental Technology, vol. 30, no. 10, 2009, pp. 1003-10.
Chen Y, Tang G, Yu QJ, et al. Biosorption properties of hexavalent chromium on to biomass of tobacco-leaf residues. Environ Technol. 2009;30(10):1003-10.
Chen, Y., Tang, G., Yu, Q. J., Zhang, T., Chen, Y., & Gu, T. (2009). Biosorption properties of hexavalent chromium on to biomass of tobacco-leaf residues. Environmental Technology, 30(10), 1003-10. https://doi.org/10.1080/09593330903019268
Chen Y, et al. Biosorption Properties of Hexavalent Chromium On to Biomass of Tobacco-leaf Residues. Environ Technol. 2009;30(10):1003-10. PubMed PMID: 19886424.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Biosorption properties of hexavalent chromium on to biomass of tobacco-leaf residues. AU - Chen,Yuru, AU - Tang,Gang, AU - Yu,Qiming Jimmy, AU - Zhang,Tingxi, AU - Chen,Yan, AU - Gu,Tengfei, PY - 2009/11/6/entrez PY - 2009/11/6/pubmed PY - 2010/1/13/medline SP - 1003 EP - 10 JF - Environmental technology JO - Environ Technol VL - 30 IS - 10 N2 - Equilibrium isotherms of Cr(VI) uptake by tobacco-leaf residues, under controlled solution pH and temperature, were obtained with batch uptake experiments. Batch uptake kinetics under different initial Cr(VI) concentrations was also obtained. The results showed that Cr(VI) uptake capacities of the tobacco-leaf residues were up to 113.2 mg g(-1) (dry wt). The uptake capacity was found to be dependent on solution pH and the maximum values were obtained at a pH of around 1.0. On the other hand, the effect of temperature the uptake capacity was found to be small. All equilibrium isotherms were well correlated with the standard Langmuir equation. Kinetics profiles showed that the uptake process was fast, and equilibrium was reached within 30 minutes of mixing contact. The role of polyphenols in Cr(VI) biosorption was studied and the results indicated that complex formation with Cr(VI) may be an important mechanism for Cr(VI) removal. The study indicated that abundantly available tobacco-leaf residues can be used as efficient biosorbent materials for Cr(VI) removal from wastewater. SN - 0959-3330 UR - https://www.unboundmedicine.com/medline/citation/19886424/Biosorption_properties_of_hexavalent_chromium_on_to_biomass_of_tobacco_leaf_residues_ L2 - https://www.tandfonline.com/doi/full/10.1080/09593330903019268 DB - PRIME DP - Unbound Medicine ER -