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Advances in graphene‐based nanomaterials for heavy metal removal from water: Mini review
https://orcid.org/0000-0002-6961-7338
AbstractThe environment and public health are seriously at risk from the increasing levels of heavy metal (HM) pollution in water bodies, hence efficient remediation techniques must be developed. Unique physicochemical properties of graphene (Gn) such as its enormous surface area, chemical stability, and extraordinary adsorption capabilities have made it a promising candidate for application in various adsorption processes. Recent studies indicate the heavy metal removal capabilities of Gn‐based materials such as Gn oxide (GO) and reduced GO (rGO) reach 99% efficiency rates for lead (Pb2+), cadmium (Cd2+), and mercury (Hg2+) through strong electrostatic bonds and metal coordination along with π‐π stacking interactions. In addition, the selective nature of Gn‐based adsorbents grows better through functionalization because it incorporates thiol, amine, and sulfonic acid groups. The integration of Gn‐based materials with metal–organic frameworks (MOFs) combined with magnetic nanoparticles along with bio‐based polymers enhances adsorption efficiency and increases stability while offering recyclability features. The conclusion of this study discusses the current obstacles such as cost, scalability, environmental impact, and selectivity and potential future developments for the widespread use of Gn‐based adsorbents in water treatment, highlighting the significance of continued research to improve these substances for useful environmental applications.Practitioner Points Graphene‐based materials exhibit high capacity for adsorbing various heavy metals, enhancing water purification. Functionalization of graphene improves its ability to selectively target and remove specific heavy metals like mercury and lead. Graphene derivatives can achieve heavy metal removal within minutes, making them efficient for water treatment. Despite high synthesis costs, graphene's superior performance may lower long‐term operational costs in wastewater treatment.
Advances in graphene‐based nanomaterials for heavy metal removal from water: Mini review
https://orcid.org/0000-0002-6961-7338
AbstractThe environment and public health are seriously at risk from the increasing levels of heavy metal (HM) pollution in water bodies, hence efficient remediation techniques must be developed. Unique physicochemical properties of graphene (Gn) such as its enormous surface area, chemical stability, and extraordinary adsorption capabilities have made it a promising candidate for application in various adsorption processes. Recent studies indicate the heavy metal removal capabilities of Gn‐based materials such as Gn oxide (GO) and reduced GO (rGO) reach 99% efficiency rates for lead (Pb2+), cadmium (Cd2+), and mercury (Hg2+) through strong electrostatic bonds and metal coordination along with π‐π stacking interactions. In addition, the selective nature of Gn‐based adsorbents grows better through functionalization because it incorporates thiol, amine, and sulfonic acid groups. The integration of Gn‐based materials with metal–organic frameworks (MOFs) combined with magnetic nanoparticles along with bio‐based polymers enhances adsorption efficiency and increases stability while offering recyclability features. The conclusion of this study discusses the current obstacles such as cost, scalability, environmental impact, and selectivity and potential future developments for the widespread use of Gn‐based adsorbents in water treatment, highlighting the significance of continued research to improve these substances for useful environmental applications.Practitioner Points Graphene‐based materials exhibit high capacity for adsorbing various heavy metals, enhancing water purification. Functionalization of graphene improves its ability to selectively target and remove specific heavy metals like mercury and lead. Graphene derivatives can achieve heavy metal removal within minutes, making them efficient for water treatment. Despite high synthesis costs, graphene's superior performance may lower long‐term operational costs in wastewater treatment.
Advances in graphene‐based nanomaterials for heavy metal removal from water: Mini review
https://orcid.org/0000-0002-6961-7338
AbstractThe environment and public health are seriously at risk from the increasing levels of heavy metal (HM) pollution in water bodies, hence efficient remediation techniques must be developed. Unique physicochemical properties of graphene (Gn) such as its enormous surface area, chemical stability, and extraordinary adsorption capabilities have made it a promising candidate for application in various adsorption processes. Recent studies indicate the heavy metal removal capabilities of Gn‐based materials such as Gn oxide (GO) and reduced GO (rGO) reach 99% efficiency rates for lead (Pb2+), cadmium (Cd2+), and mercury (Hg2+) through strong electrostatic bonds and metal coordination along with π‐π stacking interactions. In addition, the selective nature of Gn‐based adsorbents grows better through functionalization because it incorporates thiol, amine, and sulfonic acid groups. The integration of Gn‐based materials with metal–organic frameworks (MOFs) combined with magnetic nanoparticles along with bio‐based polymers enhances adsorption efficiency and increases stability while offering recyclability features. The conclusion of this study discusses the current obstacles such as cost, scalability, environmental impact, and selectivity and potential future developments for the widespread use of Gn‐based adsorbents in water treatment, highlighting the significance of continued research to improve these substances for useful environmental applications.Practitioner Points Graphene‐based materials exhibit high capacity for adsorbing various heavy metals, enhancing water purification. Functionalization of graphene improves its ability to selectively target and remove specific heavy metals like mercury and lead. Graphene derivatives can achieve heavy metal removal within minutes, making them efficient for water treatment. Despite high synthesis costs, graphene's superior performance may lower long‐term operational costs in wastewater treatment.
Advances in graphene‐based nanomaterials for heavy metal removal from water: Mini review
Water Environment Research
Jalilian, Milad (Autor:in) / Parvizi, Pooya (Autor:in) / Zangeneh, Mohammad Reza (Autor:in)
01.03.2025
Aufsatz (Zeitschrift)
Elektronische Ressource
Englisch
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