Lead Removal from Aqueous Solution by Green Solid Film Based on Cellulosic Fiber Extracted from Banana Tree Doped in Polyacrylamide 


Vol. 23,  No. 5, pp. 1171-1181, May  2022
10.1007/s12221-022-4001-y


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  Abstract

In the present study, we investigated the lead ions removal on the solid form (as strips) by adsorption on green cellulosic fiber/polyacrylamide (GCFP). Strips were prepared in a solid form, not a hydrogel, for performing the adsorption process without squandering of water. Then, the prepared film and its original materials were characterized using attenuated total reflection infrared spectroscopy (ATR-FTIR), and scanning electron microscopy with energy dispersive electron spectroscopy (SEM-EDX). The experiments were conducted under different operating conditions, such as contact time, initial Pb concentration, adsorbent dose, and pH value. The adsorption process mechanism was tested by applying two kinetic models to the experimental data, which are the pseudo-first order and the pseudo-second order, and intraparticle diffusion models. The equilibrium results were fitted to three isotherm models, namely Langmuir, Freundlich, and Dubinin- Radushkevich (D-R) models. We found a Pb removal yield of 98 % (approximately 128 mg/g) at pH=7, an adsorbent dose of 0.4 g, an initial Pb concentration of 50 ppm, and a contact time of 60 min. The kinetic study results showed that the pseudo-second-order kinetic model provided superior correlation for the adsorption of Pb ions. Moreover, Dubinin- Radushkevich isotherm model had better-fit adsorption data. The obtained results revealed the high efficiency of GCFP films in lead ions adsorption from water. Additionally, the components of these films, represented here by banana pseudostem waste, are green sources, inexpensive and easy to obtain, whereas this waste is a burden on the farmers due to its difficult disposal.

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  Cite this article

[IEEE Style]

A. Abdelkhalek, S. S. M. Ali, Z. Sheng, L. Zheng, M. Hasanin, "Lead Removal from Aqueous Solution by Green Solid Film Based on Cellulosic Fiber Extracted from Banana Tree Doped in Polyacrylamide," Fibers and Polymers, vol. 23, no. 5, pp. 1171-1181, 2022. DOI: 10.1007/s12221-022-4001-y.

[ACM Style]

Amr Abdelkhalek, Safaa S. M. Ali, Zhanwu Sheng, Lili Zheng, and Mohamed Hasanin. 2022. Lead Removal from Aqueous Solution by Green Solid Film Based on Cellulosic Fiber Extracted from Banana Tree Doped in Polyacrylamide. Fibers and Polymers, 23, 5, (2022), 1171-1181. DOI: 10.1007/s12221-022-4001-y.

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pISSN : 1229 - 9197
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