Md Nahid Kayser
Md. Khairul Amin
Nirmal Chandra Dafader
Md. Nabul Sardar
Md. Sohel Rana
- Principal Scientific Officer, Institute of Nuclear Science and Technology, Dhaka, Bangladesh
- Student, Khulna University, , Bangladesh
- Assistant Professor, Khulna University, , Bangladesh
- Chief Scientific Officer, Institute of Nuclear Science and Technology, Dhaka, Bangladesh
- Senior Scientific Officer, Institute of Nuclear Science and Technology, Dhaka, Bangladesh
- Scientific Officer, Institute of Nuclear Science and Technology, Dhaka, Bangladesh
- Student, University of Dhaka, Dhaka, Bangladesh
The grafting of glycidyl methacrylate (GMA) onto non-woven polyethylene (PE) fabric was accomplished using a radiation-initiated grafting technique. The grafted textiles were allowed to react using triethylamine to create functioning amine groups. Upon bond formation yield, the impact of grafting intensity has been examined. Utilizing the appropriate technologies, such as FTIR, TGA, and SEM, the adsorbents were rigorously examined. There was evidence of GMA grafting and diamines according to FTIR, TGA, and Tem analyses. For the purpose of adsorbing clearance of Cr (VI) ions from aqueous solution, amino cluster GMA-g-non-woven PE films was drenched in HCl to promote anionic metal adsorption. Adsorption capacity was investigated through varying the adsorption parameters. Contact time changed from 1 to 26 h, pH changed from 1.2 to 6, temperature changed from 30 to 75ºC and initial metal ion concentration changed from 200 to 1000 mg/L. The optimal circumstance that can lead highest adsorption of Cr (VI) by the adsorbent was established to be contact time 24 hours and initial metal concentration 600 mg/L, pH 1.2 and temperature 75ºC. Langmuir and Freundlich isotherm model were used for the analysis of Cr (VI) adsorption process by the adsorbent to understand and explain the adsorption mechanism. The equilibrium experimental data of Cr (VI) adsorption exhibited better matching with Langmuir isotherm model proposing the formation of monolayer saturation on the adsorbent surface. The highest adsorption capacity derived from Langmuir isotherm model was 50.76 mg/g. The adsorption kinetics was inspected by means of pseudo-first order and pseudo-second-order models with the aid of a pseudo-second-order equation, the adsorption equilibrium of Cr (VI) ion could’ve been effectively constructed. The satisfactory outcome of investigation of desorption of Cr (VI) and reuse of the adsorbent film proposed the prospect of recycling of the polymer adsorbent in case of practical application.
Keywords: Polyethylene, Glycidyl methacrylate, Radiation grafting, Chromium adsorption, Adsorption isotherm, Adsorption kinetics.
[This article belongs to International Journal of Polymer Science & Engineering(ijpse)]
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|Received||March 4, 2022|
|Accepted||March 27, 2022|
|Published||July 8, 2022|