Fabrication of zinc oxide nanorods modified activated carbon cloth electrode for desalination of brackish water using capacitive deionization approach

Myo Tay Zar Myint, Joydeep Dutta

Research output: Contribution to journalArticle

54 Citations (Scopus)

Abstract

Capacitive deionization (CDI) is a promising technique for removing dissolved ions from saline water. This method works on electrochemical control to remove ions from aqueous solution upon electrically charging the electrodes (anode and cathode). In this work, highly porous and conducting activated carbon cloth (ACC) material modified with zinc oxide (ZnO) nanorods (ACC:ZnO) was used as base substrate in a flow through capacitor configuration. Simple and low temperature hydrothermal method was used to grow ZnO nanorods on ACC surface in an aqueous media. The desalination process was conducted using 100. ppm sodium chloride (NaCl) solution with the flow rate of 2. ml/min under an applied potential of 1.2. V. Enhancement of salt removal (desalination) and regeneration efficiency of 34% and 24% were achieved respectively.

Original languageEnglish
Pages (from-to)24-30
Number of pages7
JournalDesalination
Volume305
DOIs
Publication statusPublished - Nov 1 2012

Fingerprint

Zinc Oxide
Desalination
Zinc oxide
Nanorods
brackish water
desalination
Activated carbon
activated carbon
electrode
zinc
oxide
Fabrication
Electrodes
Ions
Salt removal
Water
ion
Saline water
Sodium chloride
sodium chloride

Keywords

  • Activated carbon cloth
  • Brackish water
  • Capacitive deionization
  • Desalination
  • Zinc oxide nanorod

ASJC Scopus subject areas

  • Chemistry(all)
  • Chemical Engineering(all)
  • Materials Science(all)
  • Water Science and Technology
  • Mechanical Engineering

Cite this

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abstract = "Capacitive deionization (CDI) is a promising technique for removing dissolved ions from saline water. This method works on electrochemical control to remove ions from aqueous solution upon electrically charging the electrodes (anode and cathode). In this work, highly porous and conducting activated carbon cloth (ACC) material modified with zinc oxide (ZnO) nanorods (ACC:ZnO) was used as base substrate in a flow through capacitor configuration. Simple and low temperature hydrothermal method was used to grow ZnO nanorods on ACC surface in an aqueous media. The desalination process was conducted using 100. ppm sodium chloride (NaCl) solution with the flow rate of 2. ml/min under an applied potential of 1.2. V. Enhancement of salt removal (desalination) and regeneration efficiency of 34{\%} and 24{\%} were achieved respectively.",
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