1. Magnetic induced asymmetric membrane: Effect of magnetic pattern to phenol removal by adsorption.
- Author
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Mohamad Said, Khairul Anwar, Ismail, A.F., Zulhairun, A.K., Abdullah, M.S., Azali, M. Ariff, and Zainal Abidin, Mohd Nizam
- Subjects
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PHENOL , *ZINC ferrites , *ADSORPTION (Chemistry) , *ADSORPTION capacity , *MAGNETIC fields , *MAGNETS - Abstract
Randomized particle distribution in a mixed matrix membrane would reduce the effectiveness of particle immobilized in its matrix. This study aims to distribute the particle near the membrane surface with magnetic field assistance. Specifically, investigating the influence of varied magnetic patterns (rod, chain, and circular) on zinc ferrite distribution in the membrane on the phenol adsorption with the standing time was fixed at 30 s with 12 wt% zinc ferrite. The findings revealed that the magnetic induce membrane possesses the highest phenol adsorption, especially by membrane fabricated by magnets in a circular pattern (MB). MB membrane displayed phenol adsorption capacity of 415 mg/g with water permeation of 30.4 L/m2.h. The high phenol adsorption was contributed to high zinc ferrite particle migrated towards the membrane surface, and EDX analysis revealed 1.23 wt% Fe element in its thin layer region. These findings indicate that the magnets arranged in a circular pattern can effectively migrate and distribute the zinc ferrite across the membrane. Hence, a suitable magnetic pattern was vital when applying magnetic induce casting. [Display omitted] • The magnet in magnetic induced casting was arranged to circular, chain, and rod. • Circular pattern (MB) has the highest phenol adsorption capacity at 415 mg/g. • MB and MC (chain) membrane driven by external diffusion with film thickness Δr o of 5.22 and 16.94 nm. [ABSTRACT FROM AUTHOR]
- Published
- 2022
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