A hybrid mesoporous CuO@barley straw-derived SiO2 nanocomposite for adsorption and photocatalytic degradation of methylene blue from real wastewater

Gomaa, Hassanien; Hussein, M.A.; Motawea, Mohamed M.; Aboraia, Abdelaziz M.; Cheira, Mohamed F.; Alotaibi, Mohammed T.; El‐Bahy, Salah M.; Ali, Hazim M.

doi:10.1016/j.colsurfa.2022.128811

Cited by 49 publications

(24 citation statements)

References 43 publications

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“…Hence, several remediation techniques have been fostered to get rid of these detrimental contaminants from water bodies, such as membrane separation, coagulation, electrolysis, ion exchange, and adsorption (Abdelfatah et al 2021a , Abdelfatah et al 2021b , Eltaweil et al 2022a , Karim et al 2019 , Li et al 2021 , Sadoon and M-Ridha 2019 , Saha et al 2022 , Tran et al 2021 , Wu et al 2021 ). The former technique has been applied more widely than the other techniques owing to its simplicity, low cost, high-efficacy, and low-energy consumption (Abdelfatah et al 2022 ; Deb et al 2021 ; Gomaa et al 2022b ; Mokhtar et al 2020 ; Raval et al 2021 ; Zhao et al 2021 ).…”

Section: Introductionmentioning

confidence: 99%

Adsorption of nitrophenol onto a novel Fe3O4-κ-carrageenan/MIL-125(Ti) composite: process optimization, isotherms, kinetics, and mechanism

El-Monaem

Eltaweil

Eldin

et al. 2023

Environ Sci Pollut Res

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Water pollution is a dreadful affair that has incessantly aggravated, exposing our planet to danger. In particular, the persistent nitro aromatic compound like nitrophenols causes anxiety to the researchers due to their hazardous impacts, excessive usage, and removal difficulty. For this purpose, a novel multi-featured composite was constructed based on κ-Carrageenan (κ-Carr), MOF (MIL-125(Ti)), and magnetic Fe3O4 for efficient adsorptive removal of o-nitrophenol (o-NP). Interestingly, BET measurements revealed the high surface area of Fe3O4-κ-Carr/MIL-125(Ti) of about 163.27 m2/g, while VSM showed its excellent magnetic property (20.34 emu/g). The comparison study pointed out the synergistic effect between Fe3O4, κ-Carr, and MIL-125(Ti), forming a composite with an excellent adsorption performance toward o-NP. The adsorption data obeyed pseudo-second-order kinetic model, and Freundlich isotherm model was better fitted than Langmuir and Temkin. Furthermore, Langmuir verified the supreme adsorption capacity of o-NP onto Fe3O4-κ-Carr/MIL-125(Ti) since the computed qmax reached 320.26 mg/g at pH 6 and 25 °C. Furthermore, the XPS results postulated that the adsorption mechanism pf o-NP proceeded via H-bonding, π-π interaction, and electron donor–acceptor interactions. Interestingly, Fe3O4-κ-Carr/MIL-125(Ti) composite retained good adsorption characteristics after reusing for five cycles, suggesting its viable applicability as an efficient, renewable, and easy-separable adsorbent for removing nitro aromatic pollutants.

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Section: Introductionmentioning

confidence: 99%

Adsorption of nitrophenol onto a novel Fe3O4-κ-carrageenan/MIL-125(Ti) composite: process optimization, isotherms, kinetics, and mechanism

El-Monaem

Eltaweil

Eldin

et al. 2023

Environ Sci Pollut Res

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“…Thence, the presence of CR in the water bodies results in hazardous diseases such as gene mutation, diarrhea, eye stimulator, cancer, drowsiness, vomiting, blood clotting, and lung and kidney infections (Ghorai et al 2013). Subsequently, water remediation techniques have been fostered to face such prejudicial contaminants such as catalysis (Benmaati et al 2022;Hosny et al 2022), photocatalysis (Cheng et al 2022b;Gomaa et al 2022b;Motawea et al 2022), coagulation (Kristianto et al 2019;Kristianto et al 2020), membranes (Radoor et al 2020;Tan et al 2021), filtration, ozonation (Gerulová et al 2021;Gupta et al 2021) and adsorption (Abukhadra et al 2019;Diab et al 2020;Eltaweil et al 2021;Mokhtar et al 2022;Shaban et al 2018b). The latest one is the most convenient mode as it is a simple and easy process, inexpensive, and diminishes the formation of byproducts (Cheng et al 2021;Cheng et al 2022a;Diab et al 2020;Omer et al 2021b).…”

Section: Introductionmentioning

confidence: 99%

Sandwich-like construction of a new aminated chitosan Schiff base for efficient removal of Congo red

et al. 2023

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Herein, a novel sandwich-like α-ketoglutaric acid Schiff base-aminated chitosan composite (α-kGl-AmCsSB) was fabricated by reacting α-ketoglutaric acid and aminated chitosan. The as-fabricated α-kGl-AmCsSB was inspected by diversified characterization tools to determine its morphology, surface charge, and chemical composition as well as define the linkage pathway between α-kGl and AmCs. The SEM images demonstrated a spongy network of AmCs with interconnected pores structure which turned to a quite rough surface due to the linkage of α-kGl to the free amine groups of AmCs. Notably, the XPS and FTIR spectra suggested the linkage of α-kGl to the amine group of AmCs. The experimental results implied the superior adsorption efficiency of Congo red (CR) onto α-kGl-AmCsSB since the maximum adsorption capacity (qmax) reached 434.78 mg/g at 25 °C and pH 3. Based on kinetics data, the adsorption of CR on α-kGl-AmCsSB followed pseudo-second-order model. Furthermore, D-R model infers that the CR adsorption onto α-kGl-AmCsSB occurred via physical interactions since the E value < 8 kJ/mol. The recyclability test was implemented for five cycles with R% > 72%. More importantly, the adsorption mechanism of CR onto α-kGl-AmCsSB was proposed and discussed. Ultimately, the novel sandwich-like α-kGl-AmCsSB exhibited advanced adsorption performance toward CR along with excellent reusability. Based on these results, we recommend more modifications on α-kGl-AmCsSB for exploiting its remarkable advantages and applying it on a large scale.

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“…[ 3 , 4 , 5 , 6 ]. Amongst these approaches, semiconductor-based photocatalysis can degrade and detoxify organic pollutants, including dyes, utilizing inexhaustible solar energy, which is expected to solve the problems of increasingly serious water pollution by organic dyes [ 7 , 8 , 9 , 10 ].…”

Section: Introductionmentioning

confidence: 99%

Recyclable Carbon Cloth-Supported ZnO@Ag3PO4 Core–Shell Structure for Photocatalytic Degradation of Organic Dye

Guan

Wang

et al. 2023

Toxics

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The extensive use of organic dyes in industry has caused serious environmental problems, and photocatalysis is a potential solution to water pollution by organic dyes. The practical application of powdery photocatalysts is usually limited by the rapid recombination of charge carriers and difficulty in recycling. In this study, recyclable carbon cloth-supported ZnO@Ag3PO4 composite with a core–shell structure was successfully prepared by solvothermal treatment and subsequent impregnation–deposition. The as-prepared carbon cloth-supported ZnO@Ag3PO4 composite showed an improved photocatalytic activity and stability for the degradation of rhodamine B (RhB), a model organic dye, under visible light irradiation. The decomposition ratio of RhB reached 87.1% after exposure to visible light for 100 min, corresponding to a reaction rate constant that was 4.8 and 15.9 times that of carbon cloth-supported Ag3PO4 or ZnO alone. The enhanced performance of the composite can be attributed to the effectively inhibited recombination of photoinduced electron–hole pairs by the S-scheme heterojunction. The carbon fibers further promoted the transfer of charges. Moreover, the carbon cloth-supported ZnO@Ag3PO4 can be easily separated from the solution and repeatedly used, demonstrating a fair recyclability and potential in practical applications.

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A hybrid mesoporous CuO@barley straw-derived SiO2 nanocomposite for adsorption and photocatalytic degradation of methylene blue from real wastewater

Cited by 49 publications

References 43 publications

Adsorption of nitrophenol onto a novel Fe3O4-κ-carrageenan/MIL-125(Ti) composite: process optimization, isotherms, kinetics, and mechanism

Adsorption of nitrophenol onto a novel Fe3O4-κ-carrageenan/MIL-125(Ti) composite: process optimization, isotherms, kinetics, and mechanism

Sandwich-like construction of a new aminated chitosan Schiff base for efficient removal of Congo red

Recyclable Carbon Cloth-Supported ZnO@Ag3PO4 Core–Shell Structure for Photocatalytic Degradation of Organic Dye

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