Graphene utilization for water desalination process

Sabet, M. and Soleimani, H. and Mohammadian, E. and Hosseini, S. (2019) Graphene utilization for water desalination process. Defect and Diffusion Forum, 391. pp. 195-200. ISSN 10120386

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Abstract

Though above 70 of the Earth is covered by water, most of the seas and oceans are unusable for drinking. Freshwater lakes, rivers and underground aquifers imply 2.5 percent of the global�s whole freshwater supply. Unfortunately, in addition to being scarce, fresh water is dreadfully unevenly spread. Enhanced demand for freshwater is a global concern. In many countries demanding is further than regular reserves. Sensible use of water, reducing spreading losses and upgraded treatment of recycled water to mitigate the concern, though, water scarcity is still presented consequently desalination of seawater is highly required. Graphene, a single sheet of carbon atoms, possibly will deliver the principal for a novel category of extremely permeable membranes for water purification and desalination. Though, a one atom thickness graphene reveals both brilliant mechanical strength and impermeability to atoms as small as helium. High-density, subnanometer pores within graphene have the potential for ultra-fast water permeance and high solute rejection as the atomic thinness makes slight resistance to stream which deters the transfer of solutes bigger than the pores. The two-dimensional, nanoporous membrane is expected to display orders-of-magnitude permeability and selectivity enhancement over current separation membranes for processes such as brackish water, water softening, or nanofiltration. This study is aimed that the existing desalination methods are not adequate to upgrade water sources unless the desalination technologies are improved significantly. Nanotechnology and utilizing graphene will deliver desalination technology to meet the requirements in the near future. Lately, novel procedures have been technologically progressed by means of nanotechnology and applying graphene for water desalination. This research will emphasize the concept of water desalination for the near futures. © 2019 Trans Tech Publications, Switzerland

Item Type: Article
Additional Information: cited By 2
Uncontrolled Keywords: Aquifers; Atoms; Desalination; Graphene; Hydrogeology; Nanotechnology; Potable water; Water treatment, Desalination technologies; Nanoporous membrane; Orders of magnitude; Permeable membranes; Selectivity enhancement; Separation membranes; Water desalination; Water purification, Water filtration
Depositing User: Mr Ahmad Suhairi UTP
Date Deposited: 10 Nov 2023 03:26
Last Modified: 10 Nov 2023 03:26
URI: https://khub.utp.edu.my/scholars/id/eprint/12229

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