Magnetic Iron-Doped Filtered Coffee Bio-Waste Based Carbon for the Adsorption of Reactive Blue 21

In this study, membranes blended with polysulfone (PSU) and polyetherimide (PEI) polymers in different ratios were fabricated. Their potential to remove pollutants from rivers, which are a potential drinking water source, was investigated. Scanning electron microscopy analysis revealed that the PSU membranes had a dense and homogeneous layer, whereas the addition of PEI formed a spongy substrate. The water content of the fabricated membranes varied between 5.37 and 22.42%, porosities 28.73–89.36%, contact angles 69.18–85.81%, and average pure water fluxes 257.25–375.32 L/m2 h. The blended membranes removed turbidity, chloride, alkalinity, conductivity, sulfate, iron, manganese, and total organic carbon up to 98.32, 92.28, 96.87, 90.67, 99.58, 94.63, 97.48, and 79.11%, respectively. These results show that when PEI was added to the PSU polymer, the filtration efficiency increased owing to an increase in the hydrophilicity of the membranes. Blending these two polymers enabled the optimization of membrane properties such as permeability, selectivity, and mechanical strength. In addition, membrane fabrication processes are simple and incur low costs.

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Magnetic Iron-Doped Filtered Coffee Bio-Waste Based Carbon for the Adsorption of Reactive Blue 21

Cited by 2 publications

References 20 publications

Biomass waste-derived carbon materials for sustainable remediation of polluted environment: A comprehensive review

Biomass waste-derived carbon materials for sustainable remediation of polluted environment: A comprehensive review

Development of microfiltration membranes based on polysulfone and polyetherimide blends

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