Applications and implications of carbon nanotubes for the sequestration of organic and inorganic pollutants from wastewater

Majumder, Satwik; Dhara, Bikram; Mitra, Arup Kumar; Dey, Satarupa

doi:10.1007/s11356-023-25431-9

Cited by 8 publications

(6 citation statements)

References 115 publications

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“…Researchers demonstrated a substantial removal rate of approximately 90 % for heavy metals, and they achieved impressive results, removing dyes and organic pollutants at efficiencies exceeding 95 %, highlighting the remarkable potential of carbon nanotubes for advanced wastewater treatment. [88,89] Carbon nanotubes (CNTs), comprised of carbon atoms arranged cylindrically, possess a substantial surface area, rendering them adept at adsorbing pollutants for wastewater remediation. Similarly, graphene, a two-dimensional carbon lattice, exhibits remarkable surface area and adsorption potential.…”

Section: Types Of Nanoparticles Used For Adsorptionmentioning

confidence: 99%

Adsorption‐Based Approaches for Exploring Nanoparticle Effectiveness in Wastewater Treatment

Mehta,

Chelike,

Rathore

2024

ChemistrySelect

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The treatment of wastewater is essential to preserving the environment and public health. Recent advances in this field have made nanoparticles attractive tools due to their exceptional selectivity, reactivity, and surface area. Particularly, their use in adsorption‐based wastewater treatment has garnered significant interest, focusing on how well nanoparticles can adsorb chemical contaminants, thereby improving treatment effectiveness. A thorough analysis explores various aspects of nanoparticles in wastewater treatment, including different types of nanoparticles used for adsorption, underlying mechanisms, and numerous factors affecting their pollutant removal efficiency. However, it also recognizes potential negative environmental impacts, underscoring the need for comprehensive risk assessments, including eco‐toxicity, release dynamics, and long‐term ecological effects. In light of these challenges, the review emphasizes the revolutionary potential of new nanoparticles in transforming wastewater treatment paradigms. Examples include ZnO nanoparticles and Fe₃O₄ magnetic nanoparticles (MNPs), which excel at removing dyes and reducing sludge volume, while CuO and TiO₂ nanoparticles rapidly eliminate organic pollutants and heavy metals like Pb2+. Additionally, graphical illustrations highlight nanoparticles′ advantages, especially in removing cadmium. These findings underscore the future direction of research on wastewater treatment using nanoparticles, pointing toward increased sustainability and efficiency in addressing water pollution issues.

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Section: Types Of Nanoparticles Used For Adsorptionmentioning

confidence: 99%

Adsorption‐Based Approaches for Exploring Nanoparticle Effectiveness in Wastewater Treatment

Mehta,

Chelike,

Rathore

2024

ChemistrySelect

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“…Scientists have recently begun exploring nanomaterials with minimal adverse ecological impact to boost agricultural yield. Nanostructures are utilized in various fields within the agricultural industry, like seed science, nanofertilizers, nanoherbicides, water resource management, nanoscale transporters, biosensors, agriculture engineering, and zoology [11,21]. For instance, nanomaterial-based intelligent agriculture systems provide efficient absorption of nutrients by plants, distribution, and regulated discharge of chemicals in targeted areas, prompt disease detection, and environmental protection [11].…”

Section: Sustainable Agriculture Using Nanotechnologymentioning

confidence: 99%

“…Top-down techniques, on the other hand, suggest that the nanostructure is produced by removing atoms or crystallographic planes from the initial material (Figure 2). Both have their merits and some drawbacks [21]. The ball-milling technique is the top-down method used most frequently to produce nanoparticles.…”

Section: Production Of Nanoparticles On An Industrial Levelmentioning

confidence: 99%

“…Healthy soils are essential for long-term agricultural productivity and sustainability [103] (d) Water management: bioinoculants and nanoparticles can assist in efficient water management in agriculture. Certain microorganisms can enhance water uptake by plants and improve drought tolerance [21]. Nanoparticles, such as hydrogels, can act as water-absorbing materials that retain moisture in the soil, reducing irrigation requirements and water stress on crops [73] (e) Sustainable agriculture practices: the integration of bioinoculants and nanoparticles aligns with the principles of sustainable agriculture.…”

Section: Impact Of Bioinoculants' and Nanoparticles' Agricultural App...mentioning

confidence: 99%

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Unveiling the Potential of Bioinoculants and Nanoparticles in Sustainable Agriculture for Enhanced Plant Growth and Food Security

Karnwal,

Dohroo,

Malik

2023

BioMed Research International

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The increasing public concern over the negative impacts of chemical fertilizers and pesticides on food security and sustainability has led to exploring innovative methods that offer both environmental and agricultural benefits. One such innovative approach is using plant-growth-promoting bioinoculants that involve bacteria, fungi, and algae. These living microorganisms are applied to soil, seeds, or plant surfaces and can enhance plant development by increasing nutrient availability and defense against plant pathogens. However, the application of biofertilizers in the field faced many challenges and required conjunction with innovative delivering approaches. Nanotechnology has gained significant attention in recent years due to its numerous applications in various fields, such as medicine, drug development, catalysis, energy, and materials. Nanoparticles with small sizes and large surface areas (1-100 nm) have numerous potential functions. In sustainable agriculture, the development of nanochemicals has shown promise as agents for plant growth, fertilizers, and pesticides. The use of nanomaterials is being considered as a solution to control plant pests, including insects, fungi, and weeds. In the food industry, nanoparticles are used as antimicrobial agents in food packaging, with silver nanomaterials being particularly interesting. However, many nanoparticles (Ag, Fe, Cu, Si, Al, Zn, ZnO, TiO2, CeO2, Al2O3, and carbon nanotubes) have been reported to negatively affect plant growth. This review focuses on the effects of nanoparticles on beneficial plant bacteria and their ability to promote plant growth. Implementing novel sustainable strategies in agriculture, biofertilizers, and nanoparticles could be a promising solution to achieve sustainable food production while reducing the negative environmental impacts.

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“…Recently, it has been sought to organize and analyze information systematically through reviews. The following reviews have been produced on the performance of membranes for the treatment of wastewater: metal oxide functionalized ceramic membranes [ 21 ], membranes for the removal of emerging contaminants [ 22 ], membrane aerated biofilm reactor [ 23 ], and carbon nanotubes for the sequestration of pollutants from wastewater [ 24 ]. However, reviews need to comprehensively present the application of polymer membranes for treating wastewater, specifically removing pharmaceutical active compounds from wastewater, including membrane modification and the mass transfer mechanism of pharmaceutical active compounds through a modified polymer membrane.…”

Section: Introductionmentioning

confidence: 99%

Modified polymer membranes for the removal of pharmaceutical active compounds in wastewater and its mechanism-A review

Ratnasari

2023

Bioengineered

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Membrane technology can play a suitable role in removing pharmaceutical active compounds since it requires low energy and simple operation. Even though membrane technology has progressed for wastewater applications nowadays, modifying membranes to achieve the strong desired membrane performance is still needed. Thus, this study overviews a comprehensive insight into the application of modified polymer membranes to remove pharmaceutical active compounds from wastewater. Biotoxicity of pharmaceutical active compounds is first prescribed to gain deep insight into how membranes can remove pharmaceutical active compounds from wastewater. Then, the behavior of the diffusion mechanism can be concisely determined using mass transfer factor model that represented by β and B with value up to 2.004 g h mg −1 and 1.833 mg g −1 for organic compounds including pharmaceutical active compounds. The model refers to the adsorption of solute to attach onto acceptor sites of the membrane surface, external mass transport of solute materials from the bulk liquid to the membrane surface, and internal mass transfer to diffuse a solute toward acceptor sites of the membrane surface with evidenced up to 0.999. Different pharmaceutical compounds have different solubility and relates to the membrane hydrophilicity properties and mechanisms. Ultimately, challenges and future recommendations have been presented to view the future need to enhance membrane performance regarding fouling mitigation and recovering compounds. Afterwards, the discussion of this study is projected to play a critical role in advance of better-quality membrane technologies for removing pharmaceutical active compounds from wastewater in an eco-friendly strategy and without damaging the ecosystem.

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Applications and implications of carbon nanotubes for the sequestration of organic and inorganic pollutants from wastewater

Cited by 8 publications

References 115 publications

Adsorption‐Based Approaches for Exploring Nanoparticle Effectiveness in Wastewater Treatment

Adsorption‐Based Approaches for Exploring Nanoparticle Effectiveness in Wastewater Treatment

Unveiling the Potential of Bioinoculants and Nanoparticles in Sustainable Agriculture for Enhanced Plant Growth and Food Security

Modified polymer membranes for the removal of pharmaceutical active compounds in wastewater and its mechanism-A review

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