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Mass transfer kinetics of Cr(vi) adsorption on a green mussel shell-polyethersulfone membrane

  • Mohamad Ali Fulazzaky
  • , Nur Atikah Abdul Salim
  • , Mohd Hafiz Puteh
  • , Tiffany Messer
  • , Mohd Hafiz Dzarfan Othman
  • , Ahmad Fauzi Ismail
  • , Juhana Jaafar
  • , Mukhlis A. Rahman

Research output: Contribution to journalArticlepeer-review

3 Scopus citations

Abstract

Cr(vi) is toxic to human health and aquatic life, requiring removal from contaminated water. Green mussel shells incorporated into a polyethersulfone (GMSPES) membrane were designed to create a flat sheet adsorptive membrane crossflow treatment permeator (FSAMCFTP) to remove Cr(vi) from a synthetic solution (SS). The physicochemical properties of the GMSPES membrane were verified using a scanning electron microscope, atomic force microscope, and water contact angle goniometer. The adsorption capacities of GMSPES0.5, GMSPES1.0 and GMSPES1.5 were found to be as high as 13.41, 15.24 and 10.84 mg g−1, respectively. The numerical simulation of data using generalized Fulazzaky equations enabled the prediction of the mechanisms and kinetics of external, internal and global mass transfers for the adsorption of Cr(vi) on the GMSPES membrane. Comparison of external and internal mass transfers facilitated the determination of mass transfer resistance, with the internal mass transfer rate beginning at 0.16 h, while the external mass transfer rate dominated for 3.00 h of the experiment. The verification of Cr(vi) adsorption by the GMSPES membrane with different GMS/PES ratios provides a comprehensive understanding of the FSAMCFTP process, contributing to the advancement of adsorptive membrane technology.

Original languageEnglish
Pages (from-to)1695-1709
Number of pages15
JournalMaterials Advances
Volume6
Issue number5
DOIs
StatePublished - Feb 6 2025

Bibliographical note

Publisher Copyright:
© 2025 RSC.

Funding

The authors thank financial support from the Ministry of Higher Education - Malaysia for the Higher Institution Centre of Excellent (HICoE) Grant Scheme No. R.J090301.7851.4J517. All the funding bodies have no role in the design of the study, collection, analysis and interpretation of data, and writing this manuscript. The authors gratefully acknowledge the Advance Membrane Technology Research Centre (AMTEC) and the Environmental Laboratory of the Faculty of Civil Engineering, Universiti Teknologi Malaysia, for the laboratory facilities and technical staff for their technical assistance during the experiment. The authors thank financial support from the Ministry of Higher Education – Malaysia for the Higher Institution Centre of Excellent (HICoE) Grant Scheme No. R.J090301.7851.4J517. All the funding bodies have no role in the design of the study, collection, analysis and interpretation of data, and writing this manuscript. The authors gratefully acknowledge the Advance Membrane Technology Research Centre (AMTEC) and the Environmental Laboratory of the Faculty of Civil Engineering, Universiti Teknologi Malaysia, for the laboratory facilities and technical staff for their technical assistance during the experiment.

FundersFunder number
Environmental Laboratory of the Faculty of Civil Engineering, Universiti Teknologi Malaysia
Ministry of Higher Education, MalaysiaR.J090301.7851.4J517
Ministry of Higher Education, Malaysia

    UN SDGs

    This output contributes to the following UN Sustainable Development Goals (SDGs)

    1. SDG 3 - Good Health and Well-being
      SDG 3 Good Health and Well-being

    ASJC Scopus subject areas

    • Chemistry (miscellaneous)
    • General Materials Science

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