Application of Carbon Nanotubes and Graphene-Based Nanoadsorbents in Water Treatment

Hsu, Chou-Yi; Rheima, Ahmed Mahdi; Mohammed, Marwa Saad; Kadhim, Mustafa M.; Mohammed, Srwa Hashim; Abbas, Fatima Hashim; Abed, Zainab Talib; Mahdi, Zahra Muhammed; Abbas, Zainab Sabri; Hachim, Safa K.; Ali, Farah K.; Mahmoud, Zaid H.; kianfar, Ehsan

doi:10.1007/s12668-023-01175-1

Cited by 16 publications

(3 citation statements)

References 162 publications

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“…The quantification of the peaks indicated atomic percentages of approximately 97.98% for carbon and 2.02% for oxygen. This high carbon content, coupled with the absence of other contaminants, suggests that the pyrolysis process was successful (Hsu et al 2023 ). The activated carbon shown in Fig.…”

Section: Resultsmentioning

confidence: 99%

Chemical activation and magnetization of carbonaceous materials fabricated from waste plastics and their evaluation for methylene blue adsorption

Salama,

Samy,

Hassan

et al. 2024

Environ Sci Pollut Res

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In this study, novel adsorbents were synthesized via the activation and magnetization of carbon spheres, graphene, and carbon nanotubes fabricated from plastics to improve their surface area and porosity and facilitate their separation from aqueous solutions. Fourier transform infrared spectroscopy “FTIR”, X-ray diffraction “XRD”, energy-dispersive X-ray spectroscopy “EDX”, transmission electron microscope “TEM”, and X-ray photoelectron spectroscopy “XPS” affirmed the successful activation and magnetization of the fabricated materials. Further, surface area analysis showed that the activation and magnetization enhanced the surface area. The weight loss ratio decreased from nearly 60% in the case of activated graphene to around 25% after magnetization, and the same trend was observed in the other materials confirming that magnetization improved the thermal stability of the fabricated materials. The prepared carbonaceous materials showed superparamagnetic properties according to the magnetic saturation values obtained from vibrating sample magnetometry analysis, where the magnetic saturation values were 33.77, 38.75, and 27.18 emu/g in the presence of magnetic activated carbon spheres, graphene, and carbon nanotubes, respectively. The adsorption efficiencies of methylene blue (MB) were 76.9%, 96.3%, and 74.8% in the presence of magnetic activated carbon spheres, graphene, and carbon nanotubes, respectively. This study proposes efficient adsorbents with low cost and high adsorption efficiency that can be applied on an industrial scale to remove emerging pollutants.

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Section: Resultsmentioning

confidence: 99%

Chemical activation and magnetization of carbonaceous materials fabricated from waste plastics and their evaluation for methylene blue adsorption

Salama,

Samy,

Hassan

et al. 2024

Environ Sci Pollut Res

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“…Therefore, it became necessary to find an effective method of transfer to avoid these problems, for example, making the graphene grow on the surface of another substrate [119]. Perhaps one of the biggest challenges facing the use of graphene in electronic industries is the high production cost of producing large quantities of graphene, which depends on the type of substrates and energy sources used in preparing graphene [120].…”

Section: Challenges On Graphene Aerogel-based Devicesmentioning

confidence: 99%

Surface Properties of Graphene and Graphene Oxide Aerogels for Energy Storage Applications

Mahmood,

Hussian

2024

Indones. J. Chem.

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This review is mainly on the relevance of graphene aerogels for energy storage systems highlighting their distinct properties and applications. Today, electronic devices such as smartphones, laptops, and other electrical appliances have become the axe of our daily lives. As a result, electrical energy is required for these devices. Despite the discovery of renewable energy sources as an alternative to fossil fuels, the construction of energy storage systems is still necessary to store energy. Lithium-ion batteries and supercapacitors are considered essential systems for this purpose and have witnessed tremendous development in recent years. The efficiency of these systems depends on the structure of the materials used in their formation. Graphene oxide and graphene aerogel materials improve the properties of energy storage systems in terms of stability of charging and discharging cycles, longevity, and reduction of combustion incidents resulting from ordinary compounds. However, the development of graphene aerogels faces challenges in improving their mechanical properties, the cost of their preparation, and their high agglomeration ability in solvents. Therefore, intensive efforts are needed to develop these materials for a new revolution in energy storage.

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“…Electrochemical sensors have emerged as powerful and potential tools for quantifying free bilirubin, and because of their low cost, ease of utilization, and small sizes, they are potential candidates for medical applications. [24][25][26][27] For example, electrochemical sensors have provided quick and simple methods for the detection of free bilirubin by utilizing bilirubin oxidase, [28][29][30][31] which coverts bilirubin into biliverdin. However, biosensors have the disadvantages of poor stability and high cost.…”

Section: Introductionmentioning

confidence: 99%

A graphene oxide/polyaniline nanocomposite biosensor: synthesis, characterization, and electrochemical detection of bilirubin

Ahmed,

Hsu,

Mahmoud

et al. 2023

RSC Adv.

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Application of Carbon Nanotubes and Graphene-Based Nanoadsorbents in Water Treatment

Cited by 16 publications

References 162 publications

Chemical activation and magnetization of carbonaceous materials fabricated from waste plastics and their evaluation for methylene blue adsorption

Chemical activation and magnetization of carbonaceous materials fabricated from waste plastics and their evaluation for methylene blue adsorption

Surface Properties of Graphene and Graphene Oxide Aerogels for Energy Storage Applications

A graphene oxide/polyaniline nanocomposite biosensor: synthesis, characterization, and electrochemical detection of bilirubin

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