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Number of results
2021 | 26 | 101-111

Article title

A GREEN METHOD FOR THE REMOVAL OF ZINC(II) IONS FROM WASTEWATER USING MODIFED BIOPOLYMERS

Content

Title variants

Languages of publication

EN

Abstracts

EN
Zinc pollution in wastewater is a global problem because it is highly toxic. Zinc is commonly used in industries that transfer the water containing zinc directly into water sources, leading to pollution. Exposure to a high level of zinc causes major health problems. This study evaluated the adsorption of zinc ions from aqueous system using modified biopolymers of chitosan by crosslinking with sulphates using the batch adsorption method; the concentration was determined using atomic absorption spectrophotometry. The sulphate cross-linked chitosan (SCC) was characterised by several method. The effects of various experimental parameters such as pH, contact time, concentration, adsorbent dosage and temperature were investigated. Under the optimised conditions, the percentage efficiency for the removal of zinc(II) was up to 85%. Freundlich and Langmuir isotherms were used to analyse the equilibrium adsorption data along with kinetic studies. Various thermodynamic parameters have also been reported.

Year

Volume

26

Pages

101-111

Physical description

Contributors

  • Amity Institute of Applied Sciences, Amity University
author
  • Amity Institute of Applied Sciences, Amity University
author
  • Department of Chemistry, Rashtrasant Tukadoji Maharaj Nagpur University

References

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  • Plum LM, Rink L, Haase H; (2010) The Essential Toxin: Impact of Zinc on Human Health. Int J Environ Res Public Health. 7(4), 1342–1365.
  • Zhang X, Yang L, Li Y, Li H, Wang W, Ye B; (2012) Impacts of lead/zinc mining and smelting on the environment and human health in China. Environ Monit Assess. 184, 2261–2273. DOI: 10.1007/s10661-011-2115-6.
  • Fu F, Wang Q; (2011) Removal of heavy metal ions from waste water: a review. J of Env mgmt. 92(3), 407-18.
  • Ji J, Wang L, Yu H, ChenY, Zhao Y, Zhang H, Amer W A, Sun Y, Huang L, Saleem M; (2014) Chemical Modifications of Chitosan and Its Applications. Polymer-Plastics Technology and Engineering. 53, 1494–1505. DOI:10.1080/03602559.2014.909486.
  • Kyzas GZ, Bikiaris DN; (2015) Recent Modifications of Chitosan for Adsorption Applications: A Critical and Systematic Review. Marine Drugs. 13(1), 312–337. DOI:10.3390/md13010312.
  • Kahu S, Saravanan D, Jugade R; (2014) Effective detoxification of hexavalent chromium using sulfate-cross linked chitosan. Water Science and Technology. 70(12), 2047–2055. DOI: 10.2166/wst.2014.455.
  • Choudhary N, Jeyaseelan C; (2017) Removal of Rhodamine B Dye from Water Samples using Modified Chitosan. Journal of Basic and Applied Engineering Research. 4(3),185–189.
  • Waghmare C, Pakhale K, Ubale M, Shioorkar M; (2016) Adsorption of heavy metals Fe, Cu and Cr from Aqueous solution of acid activated fruit waste material of Chiku. Der Chemica Sinica, Pelagia Research Library. 7(2), 66–69.
  • Zhang L, Zeng Y, Cheng Z; (2016) Removal of heavy metal ions using chitosan and modified chitosan, A review. Journal of Molecular Liquids 214, 175–191. DOI:10.1016/j.molliq.2015.12.013
  • Gandhi MR, Vishwanathan N, Meenakshi S; (2010) Preparation and applications of alumina/ chitosan biocomposite. Int J Biol Macromol. 47, 146–154
  • Langmuir I; (1918) The adsorption of gases on plain surface of glass, mica and platinum; J Am Chem Soc 40(9), 1361–1403.
  • Fruendlich Methner H; (1926) Colloidal and Capillary Chemistry. London, UK.
  • Saǧ Y, Kutsal, T (2000) Determination of the biosorption heats of heavy metal ions on Zoogloea ramigera and Rhizopus arrhizus. Biochemical Engineering Journal. 6(2), 145–151.

Document Type

article

Publication order reference

Identifiers

YADDA identifier

bwmeta1.element.psjd-470b24bc-7093-43fe-8454-de876438390d
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