Analysis of F removal from aqueous solutions using MgO

研究成果: Article査読

2 被引用数 (Scopus)


MgO was found to take up F from NaF aqueous solutions due to the electrostatic attractive force between the positively charged MgO and F. The F adsorption by MgO can be represented by pseudo first-order reaction kinetics, and the magnitude of the apparent activation energy (71.6 kJ mol−1) confirms that this is a chemisorption process. The thermodynamic behavior of this process follows Langmuir-type adsorption, with the maximum adsorption amount of 5.6 mmol g–1. The F can be desorbed from MgO using NaOH solution. The regenerated MgO can still take up F from the solution despite the lowered adsorption capacity. Therefore, it is possible to recycle the MgO for F adsorption.

ジャーナルJournal of Water Process Engineering
出版ステータスPublished - 2018 10

ASJC Scopus subject areas

  • Biotechnology
  • Safety, Risk, Reliability and Quality
  • Waste Management and Disposal
  • Process Chemistry and Technology

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