Water, Air, & Soil Pollution

, 228:448 | Cite as

Optimization of Ammonia Removal from Aqueous Solution by Microwave-Assisted Air Stripping

  • Osman Nuri Ata
  • Arzu KancaEmail author
  • Zeynep Demir
  • Vecihi Yigit


In this study, the optimum conditions for the ammonia removal from aqueous solution by microwave-assisted air stripping have been investigated at pH 11. Ammonia solution with five different initial ammonia concentrations was prepared synthetically. The Taguchi method was applied to optimize the ammonia removal conditions. Initial ammonia concentration, air flow rate, temperature, stirring speed, microwave radiation power, and radiation time were defined as the optimization parameters. Experiments were carried out at five different levels for each operational parameter. The results of the experiments revealed that 1800 ppm of initial ammonia concentration, 7.5 L min−1 of air flow rate, 60 °C of temperature, 500 rpm of stirring speed, and 500 W of microwave radiation power for 180 min. of microwave radiation time are optimum conditions for complete ammonia removal. In addition to present experimental data, the optimum operational conditions predicted by the balanced characteristics of orthogonal array were confirmed experimentally. Finally, the effect of optimization parameters was discussed in detail.

Graphical Abstract


Ammonia removal Microwave radiation Air stripping Optimization Taguchi method 



The authors are grateful for the Scientific Research Projects Foundation for financial support (BAP-2012-104) and for the Chemical Engineering Department Laboratory of Ataturk University management and staff for their support and service.


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Copyright information

© Springer International Publishing AG, part of Springer Nature 2017

Authors and Affiliations

  • Osman Nuri Ata
    • 1
  • Arzu Kanca
    • 1
    Email author
  • Zeynep Demir
    • 1
  • Vecihi Yigit
    • 2
  1. 1.Chemical Engineering DepartmentAtatürk UniversityErzurumTurkey
  2. 2.Industrial Engineering DepartmentAtatürk UniversityErzurumTurkey

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