Carbon nanotube membranes for water purification: A bright future in water desalination

Das, Rasel; Ali, Eaqub; Hamid, Sharifah Bee Abd; Ramakrishna, Seeram; Chowdhury, Zaira Zaman

doi:10.1016/j.desal.2013.12.026

Cited by 798 publications

(363 citation statements)

References 84 publications

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“…The idea of using CNTs for water filtration has been postulated for over a decade with research focused on using CNTs as nano membrane filters for selective water transport [104,105]. This phenomenon is currently being widely investigated as an alternative to polymeric membranes for desalination, with CNTs materials offering the advantages of reduced size and improved water permeability [106,107]. Recently research however, into the use of CNTs and CNT composite materials as enhanced adsorbents for contaminant sequestration from water has shown promising results [108].…”

Section: Carbon Nanotube Adsorption Properties and Target Speciesmentioning

confidence: 99%

Activated Carbon, Carbon Nanotubes and Graphene: Materials and Composites for Advanced Water Purification

Sweetman

May²,

Mebberson³

et al. 2017

170

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Abstract:To ensure the availability of clean water for humans into the future, efficient and cost-effective water purification technology will be required. The rapidly decreasing quality of water and the growing global demand for this scarce resource has driven the pursuit of high-performance purification materials, particularly for application as point-of-use devices. This review will introduce the main types of natural and artificial contaminants that are present in water and the challenges associated with their effective removal. The efficiency and performance of recently developed materials for water purification, with a focus on activated carbon, carbon nanotubes and graphene will be discussed. The recent advances in water purification using these materials is reviewed and their applicability as point-of-use water purification systems discussed.

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Section: Carbon Nanotube Adsorption Properties and Target Speciesmentioning

confidence: 99%

Activated Carbon, Carbon Nanotubes and Graphene: Materials and Composites for Advanced Water Purification

Sweetman

May²,

Mebberson³

et al. 2017

170

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“…Meanwhile, the newest discovery of carbon nanotubes apparently holds the promise of "solving humanity's most pressing problems", including ecological issues related to climate change, according to the Smalley Institute Grand Challenges research group at Rice University. 5 Of particular note is the proposed promise of carbon nanotubes in the increasingly necessary technologies of water desalination (Das et al 2014). Paradoxically, then, a certain elemental carbon (though strictly in its compounded bonding through combustion with oxygen as CO 2 ) takes on the burden of being the material index of the problem of climate change, even as certain other carbon allotropes, such as carbon nanotubes, promise to fix problems associated with food, water and other environmental issues that are brought about or exacerbated through climate change.…”

Section: Allotropic Carbonmentioning

confidence: 99%

Trickster carbon: stories, science, and postcolonial interventions for climate justice

Girvan

2017

Journal of Political Ecology

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This article proposes the idea of the trickster figure as a way to account for the shifting material, and cultural properties of carbon in the cultural politics of climate change. Combining scientific understandings of allotropy in chemistry -describing the property of certain elements to manifest in various highly diverse forms -and the insights of Caribbean trickster stories, trickster carbon enables novel understandings of the multiple workings and effects of carbon as a material and cultural element. Rather than granting 'carbon' a singular seemingly-scientific meaning or reducing carbon to a singular problem that master human agents can ever definitively trap or sequester, this notion allows us to view carbon's unique ability to shape-shift in a variety of contexts and for myriad agendas. Understanding carbon in this way provides more than simply a theoretical or imaginative 'romp'; rather, this lens enables both a critique of the ways in which carbon is mobilized in practice as a profit-generating tool of colonial capture and also a generative opening for understanding carbon's potential as a connector to more transformative associations and postcolonial politics. As an ambivalent and paradoxical figure, trickster carbon offers a powerful method of cultural way-finding through the urgent concern of climate change. Key words: Trickster; postcolonial; decolonial; STS; stories; cultural politics of climate change; carbon RésuméCet article propose l'idée du personnage du trickster comme un moyen de rendre compte du changement matériel et de propriétés culturelles du carbone, dans la politique culturelle du changement climatique. Combinant la compréhension scientifique de l'allotropie dans la chimie -décrivant la propriété de certains éléments de se manifester sous diverses formes -et la contribution des histoires de trickster caribéennes, le «carbone trickster» permet de nouvelles compréhensions des multiples travaux et effets du carbone en tant qu'élément matériel et culturel. Plutôt que d'accorder au «carbone» un sens singulier semblable à la science ou de réduire le carbone à un problème singulier que les humains peuvent définitivement piéger ou séquestrer, cette notion nous permet de voir la capacité unique du carbone à changer de forme dans divers contextes et pour une myriade d'agendas. Appréhender le carbone de cette manière fournit plus qu'une simple «farce» théorique ou imaginative. Au contraire, cet angle d'approche permet de critiquer la façon dont le carbone est mobilisé en pratique en tant qu'outil générateur de la capture coloniale, et de s'ouvrir à la compréhension de son potentiel en tant que connecteur aux associations transformatrices et à la politique postcoloniale. En tant que figure ambivalente et paradoxale, le «carbone trickster» offre une méthode solide pour lutter contre le changement climatique.

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“…A number of studies have been done to use these properties for industrial applications such as air filtration [11], electronics, sporting goods, automobiles, graphene based noble metals [12], water purification [13], catalytic applications etc. Due to its exceptional structural, mechanical, electrical, thermal and optical properties of CNT, the area of applications seems to be endless in nature, which can bring remarkable changes into our lives.…”

Section: ) Other Applicationsmentioning

confidence: 99%

Carbon Nanotubes in Engineering Applications: A Review

Naidu¹,

Pulagara²,

Dondapati³

2014

PNN

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Abstract-Carbon nanotubes are molecular-scale tubes of graphite carbon that possess superior properties. They are the strongest and stiffest fibres with Young's modulus 1 TPa and maximum tensile strength of 63 GPa. Carbon nanotubes are widely used in Biological, Chemical, Medical, Material Science and Engineering applications. This review outlines the engineering applications of carbon nanotubes and discusses benefits and concerns associated with their uses. Many research works have been done on this particular topic and various technologies have been proposed and applied at experimental and field levels. It is planned to identify the applications of carbon nanotubes from engineering point of view.

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Carbon nanotube membranes for water purification: A bright future in water desalination

Cited by 798 publications

References 84 publications

Activated Carbon, Carbon Nanotubes and Graphene: Materials and Composites for Advanced Water Purification

Activated Carbon, Carbon Nanotubes and Graphene: Materials and Composites for Advanced Water Purification

Trickster carbon: stories, science, and postcolonial interventions for climate justice

Carbon Nanotubes in Engineering Applications: A Review

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