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Utilization of Jackfruit Peel as a Low-cost Adsorbent for the Removal of Methylene Blue Dye from Synthetically Polluted Water

[ Vol. 17 , Issue. 7 ]

Author(s):

Mohsina Ahmed and Abu Nasar*   Pages 1016 - 1026 ( 11 )

Abstract:


Background: Due to an abrupt increase in the contamination of freshwater systems by dye-containing wastewater, there is an urgent need to find robust and greener adsorbents for the elimination of dyes from the contaminated water. As the dyes not only change the appearance of water but are also a cause of many serious problems, which can be some time mutagenic and carcinogenic.

Methods: This research paper is based on the use of adsorbent made from the peel of jackfruit (POJ). The adsorbent derived from agriculture waste was at low cost and efficient for the elimination of methylene blue (MB) dye from aqueous media. Batch adsorption experiments were accompanied by varying the pH of the solution, contact time, POJ dosage, and initial MB concentration.

Results: It was seen that adsorption of MB onto Jackfruit peel adsorbent follows pseudo-secondorder (PSO) kinetics and Langmuir isotherm with maximum biosorption capacity of 232.55 mg/g. The thermodynamic study revealed that the adsorption was spontaneous, endothermic, and associated with the rise in entropy.

Conclusion: In view of the low-cost and promising adsorption efficiency, the present investigation submits that that POJ is novel and economically feasible adsorbent for the removal of MB from aqueous solutions.

Keywords:

Adsorption, isotherm modeling, jackfruit peel, kinetics, methylene blue, wastewater treatment.

Affiliation:

Department of Applied Chemistry, Z.H. College of Engineering and Technology, Aligarh Muslim University, Aligarh - 202002, Department of Applied Chemistry, Z.H. College of Engineering and Technology, Aligarh Muslim University, Aligarh - 202002

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