Removal of 4-Nitrophenol from Aqueous Solution by Using Polyphenylsulfone-Based Blend Membranes: Characterization and Performance

Yahya, Ali Amer; Rashid, Khalid T.; Ghadhban, Maryam Y.; Mousa, Noor Edin; Majdi, Hasan Shakir; Salih, Issam K.; Alsalhy, Qusay F.

doi:10.3390/membranes11030171

Cited by 47 publications

(14 citation statements)

References 31 publications

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“…A relative decrease in the permeability was observed when increasing the initial feed concentration for both the AB-210 and RB dyes. This decrease has been described in the literature related to the adsorption of dye molecules, where a cake layer forms on the surface of the membrane, preventing the passage of water through the membrane and reducing the flow [39].…”

Section: Response Surface Analysismentioning

confidence: 84%

Optimization of MCM-41 Mesoporous Material Mixed Matrix Polyethersulfone Membrane for Dye Removal

et al. 2021

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The aim of this work is the optimization of the operating conditions under which MCM-41-mesoporous material can be incorporated into polyethersulfone (PES)/MCM-41 membranes for nanofiltration (NF) applications. MCM-41 mesoporous material mixed matrix PES membranes have the potential to reduce membrane fouling by organic dye molecules. Process optimization and modeling aim to reduce wasted energy while maintaining high flow during the operation to handle the energy efficiency problems membranes often have. An optimization technique was applied to obtain optimum values for some key parameters in the process to produce a certain amount of flux above the desired values. Response surface methodology (RSM) and analysis of variance (ANOVA) were used as mathematical and statistical analyses to improve the performance of the process on a larger scale. This work investigated the influence of the operating parameters, such as the feed pH values (3–11), MCM-41 content (0–1 wt.%), and the feed dye concentration (10–100 ppm) for each of the two studied dyes, acid black 210 (AB-210) and rose bengal (RB), and their interactions on the PES membrane permeability. The results showed that the PES membrane had the best performance at 64.25 (L·m−2·h−1·bar-1) and 63.16 (L·m−2·h−1·bar-1) for the AB-210 and RB dyes, respectively. An MCM-41 content of nearly 0.8 wt.% in the casting solution, feed dye concentration of 10 ppm for the studied dyes, and feed pH of 3 for the RB dye was found to be the optimal parameters for eliciting the response. The pH had no significant influence on the response for the AB-210 dye, while the pH shows some minor effects on response with the RB dye, and the Pareto chart of the standardized effects on the permeation flux of both dyes using statistically significant at the 5% significance level support these results.

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Section: Response Surface Analysismentioning

confidence: 84%

Optimization of MCM-41 Mesoporous Material Mixed Matrix Polyethersulfone Membrane for Dye Removal

et al. 2021

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“…Different approaches such as electrocatalytic reduction, 3 membrane separation, 4 photocatalytic degradation, 5 ozone oxidation, 6 adsorption 7 and biological treatment 8 have been successfully established for the effective removal of these hazardous compounds or converting them to less toxic species. However, some of these techniques have the following disadvantages: (1) some cannot destroy the pollutants but transfer them from one phase to another, (2) some can degrade the pollutants but they require expensive apparatus, and (3) some methods can also effectively decompose the pollutants; however, they use algae, fungi, bacteria, and yeasts, and these are toxic and carcinogenic to microorganisms.…”

Section: Introductionmentioning

confidence: 99%

A comparative study of Cu-anchored 0D and 1D ZnO nanostructures for the reduction of organic pollutants in water

et al. 2022

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“…The target chemical species, silver ions (SI) and p-nitrophenol (PNP), were chosen for their technical-economic importance or environmental impact but also for the availability of comparative data from previous research, which are very useful for the most objective assessment of hybrid system performance [40][41][42][43].…”

Section: Introductionmentioning

confidence: 99%

Operational Limits of the Bulk Hybrid Liquid Membranes Based on Dispersion Systems

et al. 2022

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Liquid membranes usually have three main constructive variants: bulk liquid membranes (BLM), supported liquid membranes (SLM) and emulsion liquid membranes (ELM). Designing hybrid variants is very topical, with the main purpose of increasing the flow of substance through the membrane but also of improving the selectivity. This paper presents the operational limits of some kind of hybrid membrane constituted as a bulk liquid membrane (BLM), but which works by dispersing the aqueous source (SP) and receiving (RP) phases, with the membrane itself being a dispersion of nanoparticles in an organic solvent (NP–OSM). The approached operational parameters were the volume of phases of the hybrid membrane system, the thickness of the liquid membrane, the working temperature, the flow of aqueous phases, the droplet size of the aqueous phases dispersed across the membrane, the nature and concentration of nanoparticles in the membrane, the pH difference between the aqueous phases, the nature of the organic solvent, the salt concentration in the aqueous phases and the nature of transported chemical species. For this study, silver ion (SI) and p-nitrophenol (PNP) were chosen as transportable chemical species, the n-aliphatic alcohols (C6…C12) as membrane organic solvents, 10–undecenoic acid (UDAc) and 10-undecylenic alcohol (UDAl) as carriers and magnetic iron oxides as nanoparticles dispersed in the membrane phase. Under the experimentally established operating conditions, separation efficiencies of over 90% were obtained for both ionic and molecular chemical species (silver ions and p-nitrophenol). The results showed the possibility of increasing the flow of transported chemical species by almost 10 times for the silver ion and approximately 100 times for p-nitrophenol, through the appropriate choice of operational parameters, but they also exposed their limits in relation to the stability of the membrane system.

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Removal of 4-Nitrophenol from Aqueous Solution by Using Polyphenylsulfone-Based Blend Membranes: Characterization and Performance

Cited by 47 publications

References 31 publications

Optimization of MCM-41 Mesoporous Material Mixed Matrix Polyethersulfone Membrane for Dye Removal

Optimization of MCM-41 Mesoporous Material Mixed Matrix Polyethersulfone Membrane for Dye Removal

A comparative study of Cu-anchored 0D and 1D ZnO nanostructures for the reduction of organic pollutants in water

Operational Limits of the Bulk Hybrid Liquid Membranes Based on Dispersion Systems

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