Biosorptive Decontamination of Acid Red-87 Dye from Wastewater by Citrus limonum Peels:Ecofriendly Approach

Authors

  • Shoomaila Latif Department of Chemistry, University of Sargodha, Sargodha- 40100, Pakistan Author
  • Rabia Rehman Institute of Chemistry, University of the Punjab, Lahore-54590, Pakistan Author
  • Muhammad Imran Institute of Chemistry, University of the Punjab, Lahore-54590, Pakistan Author
  • Shahid Iqbal Department of Chemistry, University of Sargodha, Sargodha- 40100, Pakistan Author

DOI:

https://doi.org/10.21743/pjaec/2018.06.04

Keywords:

Lemon peels, dye, adsorption isotherms, waste water

Abstract

Batch adsorption experiments were conducted to evaluate efficiency of lemon peels (Citrus limonum) for adsorption of Acid Red-87 dye from aqueous media. The effects of various parameters, i.e. particle size, pH, sorbent dose, sorbate concentration, temperature, contact time and agitation speed on biosorption efficiency were optimized. Isotherm models: Langmuir and Freundlich were employed to understand the mechanism of adsorption. The monolayer adsorption capacity calculated by Langmuir isotherm was found to be 0.6240 mg/g. Thermodynamic studies revealed exothermic and spontaneous nature of sorption process, while kinetics guided pseudosecond
order behaviour. All these factors indicated that Citrus limonum peels are potential adsorbent for the removal of Acid Red-87.

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Published

2018-06-27

How to Cite

(1)
Biosorptive Decontamination of Acid Red-87 Dye from Wastewater by Citrus Limonum Peels:Ecofriendly Approach. Pak. J. Anal. Environ. Chem. 2018, 19 (1), 44 – 52. https://doi.org/10.21743/pjaec/2018.06.04.

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