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Paper   IPM / Nano-Sciences / 14959
School of Nano Science
  Title:   Ion separation and water purification by applying external electric field on porous graphene membrane
1.  Amir Lohrasebi
2.  Samaneh Rikhtehgaran
  Status:   Published
  Journal: Nano Res.
  No.:  4
  Vol.:  11
  Year:  2017
  Pages:   2229
  Publisher(s):   Tsinghua University Press
  Supported by:  IPM
Using molecular dynamics (MD) simulations, a porous graphene membrane was exposed to external electric fields to separate positive and negative ions from salt-water and to produce fresh water. It was observed that, by increasing the strength of the applied electric field, ion separation improved noticeably. In addition, to obtain fresh water, the designed system included two graphene membranes, which are exposed to two external electric fields in opposite directions. Ion rejection was found to be greater than 93

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