Adsorptive removal of Pb2+ from aqueous solution by magnetic biodegradable and polymeric cellulose/Nylon 6 @Fe3O4 nanocomposite encapsulated with chitosan

Suter, Evans; Rutto, Hilary; Kohitlhetse, Itumeleng

doi:10.1016/j.dwt.2024.100782

Desalination and Water Treatment

2024

DOI: 10.1016/j.dwt.2024.100782

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Adsorptive removal of Pb2+ from aqueous solution by magnetic biodegradable and polymeric cellulose/Nylon 6 @Fe3O4 nanocomposite encapsulated with chitosan

Evans Suter,

Hilary Rutto,

Itumeleng Kohitlhetse

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2024

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Continuous packed bed column removal of Cr⁶⁺, Cd²⁺, and Pb²⁺ ions from synthetic wastewater using polymeric ultra‐permeable and biodegradable ferromagnetic nanocomposite membrane

Suter,

Rutto,

Omwoyo

2024

Can J Chem Eng

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Water purification techniques, including membrane technologies, ion exchange and adsorption, chemical/biochemical reduction, and electrochemical processes, have been developed to remove/recover metal ions species from polluted wastewater. This work assessed the efficiency of polymeric, biodegradable, ultra‐permeable and magnetic nanocomposite membrane (CNCs/N6@Fe3O4‐CT) in a continuous packed bed column for the removal of Cd(II), Cr(VI), and Pb(II) metal ions from synthetic wastewaters. The eco‐compatibility of CNCs/N6@Fe3O4‐CT was increased using chitosan biopolymer. Fe3O4 nanoparticles increased the surface area and improved the separation process. CNCs and N6 polymeric materials enhanced their strength, porosity, and additional binding sites. The CNCs/N6@Fe3O4‐CT nanocomposite membrane was employed as packing material in a fixed‐bed lab‐scale column (height 30 cm, diameter 1.5 cm) to constantly remove Cd(II), Cr(VI), and Pb(II) metal ions from synthetic wastewaters and actual hexavalent chromium tannery effluent. The studies were carried out with different initial metal ion concentrations (10, 20, and 30 mg/L), input flow rates (2, 4, and 6 mL/min), and solution pH values (2.0, 5.0, and 8.0). The obtained experimental data from the breakthrough curves was fitted to the traditional dynamic Thomas model, Yoon‐Nelson, and Bed Depth Service Time (BDST) model.

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Continuous packed bed column removal of Cr⁶⁺, Cd²⁺, and Pb²⁺ ions from synthetic wastewater using polymeric ultra‐permeable and biodegradable ferromagnetic nanocomposite membrane

Suter,

Rutto,

Omwoyo

2024

Can J Chem Eng

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Adsorptive removal of Pb2+ from aqueous solution by magnetic biodegradable and polymeric cellulose/Nylon 6 @Fe3O4 nanocomposite encapsulated with chitosan

Cited by 1 publication

References 70 publications

Continuous packed bed column removal of Cr⁶⁺, Cd²⁺, and Pb²⁺ ions from synthetic wastewater using polymeric ultra‐permeable and biodegradable ferromagnetic nanocomposite membrane

Continuous packed bed column removal of Cr⁶⁺, Cd²⁺, and Pb²⁺ ions from synthetic wastewater using polymeric ultra‐permeable and biodegradable ferromagnetic nanocomposite membrane

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Adsorptive removal of Pb2+ from aqueous solution by magnetic biodegradable and polymeric cellulose/Nylon 6 @Fe3O4 nanocomposite encapsulated with chitosan

Cited by 1 publication

References 70 publications

Continuous packed bed column removal of Cr6+, Cd2+, and Pb2+ ions from synthetic wastewater using polymeric ultra‐permeable and biodegradable ferromagnetic nanocomposite membrane

Continuous packed bed column removal of Cr6+, Cd2+, and Pb2+ ions from synthetic wastewater using polymeric ultra‐permeable and biodegradable ferromagnetic nanocomposite membrane

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Product

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About

Continuous packed bed column removal of Cr⁶⁺, Cd²⁺, and Pb²⁺ ions from synthetic wastewater using polymeric ultra‐permeable and biodegradable ferromagnetic nanocomposite membrane

Continuous packed bed column removal of Cr⁶⁺, Cd²⁺, and Pb²⁺ ions from synthetic wastewater using polymeric ultra‐permeable and biodegradable ferromagnetic nanocomposite membrane