International Journal of Environmental Protection and Policy

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Ceramic Membranes in Removing Boron from Processed Geothermal Waters

Received: 20 September 2014    Accepted: 06 October 2014    Published: 20 October 2014
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Abstract

The main objective of this work was to investigate the removal of boron from processed geothermal waters (i.e., after energy production) in lab-scale tests using ceramic ultrafiltration membranes. The impacts of membrane operating pressure, feed water pH and temperature and membrane pore size on boron rejections were determined. Three different single-channel tubular ceramic membrane modules with average pore sizes of 4 nm, 10 nm and 1 kD were tested. Fine-UF ceramic membrane with 4 nm pore size provided higher boron and salt rejections than the other two tested membranes. Increasing pH from 8.8 to 10.5 did not enhance boron rejections. Operating pressure around 8 bar was found to be optimum in terms of flux values and boron and salt rejections for the 4 nm pore-sized membrane. The results indicated that ceramic ultrafiltration membranes can only partially (around 25-30%) remove boron from geothermal waters. Once much lower pore-sized nanofiltration or brackish water reverse osmosis type ceramic membranes are available, they may be used for the desalination of processed geothermal waters since ceramic membranes are resistant to extreme conditions. Ceramic fine-UF membranes can also be used as a pre-treatment stage prior to polymeric brackish water reverse osmosis processes in desalination of geothermal waters.

DOI 10.11648/j.ijepp.20140205.18
Published in International Journal of Environmental Protection and Policy (Volume 2, Issue 5, September 2014)
Page(s) 190-194
Creative Commons

This is an Open Access article, distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution and reproduction in any medium or format, provided the original work is properly cited.

Copyright

Copyright © The Author(s), 2024. Published by Science Publishing Group

Keywords

Boron, Ceramic Membrane, Desalination, Geothermal Water, Reuse

References
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[4] Koseoglu H., Kabay N., Yuksel M., Sarp S., Arar O., Kitis M. (2008a) Boron removal from seawater using high rejection SWRO membranes - impact of pH, feed concentration, pressure and cross-flow velocity. Desalination 227(1–3), 253–263.
[5] Kabay N., Güler E., Bryjak M. (2010) Boron in seawater and methods for its separation - A review. Desalination 261(3), 212-217.
[6] Koseoglu H., Kabay N., Yuksel M., Kitis M. (2008b) The removal of boron from model solutions and seawater using reverse osmosis membranes. Desalination 223, 126–133.
[7] Borax Consolidated Limited (1996) Report on sampling at selected water treatment works to determine the extent of boron removal by conventional water treatment.
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[9] Nadav N. (1999) Boron removal from seawater reverse osmosis permeate utilizing selective ion exchange resin. Desalination 124, 131–135.
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[18] Busch M., Mickols W.E., Prabhakaran S., Lomax I., Conner J. (2005) Boron Removal at the Lowest Cost. IDA World Congress, Singapore.
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Author Information
  • Suleyman Demirel University, Dept. of Environmental Engineering, Isparta, Turkey

  • Suleyman Demirel University, Dept. of Environmental Engineering, Isparta, Turkey

  • Suleyman Demirel University, Dept. of Environmental Engineering, Isparta, Turkey

  • Ege University, Dept. of Chemical Engineering, Izmir, Turkey

  • Suleyman Demirel University, Dept. of Environmental Engineering, Isparta, Turkey

  • Suleyman Demirel University, Dept. of Environmental Engineering, Isparta, Turkey

Cite This Article
  • APA Style

    Bilgehan Ilker Harman, Hasan Koseoglu, Nevzat Ozgu Yigit, Nalan Kabay, Asuman Akyuz, et al. (2014). Ceramic Membranes in Removing Boron from Processed Geothermal Waters. International Journal of Environmental Protection and Policy, 2(5), 190-194. https://doi.org/10.11648/j.ijepp.20140205.18

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    ACS Style

    Bilgehan Ilker Harman; Hasan Koseoglu; Nevzat Ozgu Yigit; Nalan Kabay; Asuman Akyuz, et al. Ceramic Membranes in Removing Boron from Processed Geothermal Waters. Int. J. Environ. Prot. Policy 2014, 2(5), 190-194. doi: 10.11648/j.ijepp.20140205.18

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    AMA Style

    Bilgehan Ilker Harman, Hasan Koseoglu, Nevzat Ozgu Yigit, Nalan Kabay, Asuman Akyuz, et al. Ceramic Membranes in Removing Boron from Processed Geothermal Waters. Int J Environ Prot Policy. 2014;2(5):190-194. doi: 10.11648/j.ijepp.20140205.18

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  • @article{10.11648/j.ijepp.20140205.18,
      author = {Bilgehan Ilker Harman and Hasan Koseoglu and Nevzat Ozgu Yigit and Nalan Kabay and Asuman Akyuz and Mehmet Kitis},
      title = {Ceramic Membranes in Removing Boron from Processed Geothermal Waters},
      journal = {International Journal of Environmental Protection and Policy},
      volume = {2},
      number = {5},
      pages = {190-194},
      doi = {10.11648/j.ijepp.20140205.18},
      url = {https://doi.org/10.11648/j.ijepp.20140205.18},
      eprint = {https://download.sciencepg.com/pdf/10.11648.j.ijepp.20140205.18},
      abstract = {The main objective of this work was to investigate the removal of boron from processed geothermal waters (i.e., after energy production) in lab-scale tests using ceramic ultrafiltration membranes. The impacts of membrane operating pressure, feed water pH and temperature and membrane pore size on boron rejections were determined. Three different single-channel tubular ceramic membrane modules with average pore sizes of 4 nm, 10 nm and 1 kD were tested. Fine-UF ceramic membrane with 4 nm pore size provided higher boron and salt rejections than the other two tested membranes. Increasing pH from 8.8 to 10.5 did not enhance boron rejections. Operating pressure around 8 bar was found to be optimum in terms of flux values and boron and salt rejections for the 4 nm pore-sized membrane. The results indicated that ceramic ultrafiltration membranes can only partially (around 25-30%) remove boron from geothermal waters. Once much lower pore-sized nanofiltration or brackish water reverse osmosis type ceramic membranes are available, they may be used for the desalination of processed geothermal waters since ceramic membranes are resistant to extreme conditions. Ceramic fine-UF membranes can also be used as a pre-treatment stage prior to polymeric brackish water reverse osmosis processes in desalination of geothermal waters.},
     year = {2014}
    }
    

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  • TY  - JOUR
    T1  - Ceramic Membranes in Removing Boron from Processed Geothermal Waters
    AU  - Bilgehan Ilker Harman
    AU  - Hasan Koseoglu
    AU  - Nevzat Ozgu Yigit
    AU  - Nalan Kabay
    AU  - Asuman Akyuz
    AU  - Mehmet Kitis
    Y1  - 2014/10/20
    PY  - 2014
    N1  - https://doi.org/10.11648/j.ijepp.20140205.18
    DO  - 10.11648/j.ijepp.20140205.18
    T2  - International Journal of Environmental Protection and Policy
    JF  - International Journal of Environmental Protection and Policy
    JO  - International Journal of Environmental Protection and Policy
    SP  - 190
    EP  - 194
    PB  - Science Publishing Group
    SN  - 2330-7536
    UR  - https://doi.org/10.11648/j.ijepp.20140205.18
    AB  - The main objective of this work was to investigate the removal of boron from processed geothermal waters (i.e., after energy production) in lab-scale tests using ceramic ultrafiltration membranes. The impacts of membrane operating pressure, feed water pH and temperature and membrane pore size on boron rejections were determined. Three different single-channel tubular ceramic membrane modules with average pore sizes of 4 nm, 10 nm and 1 kD were tested. Fine-UF ceramic membrane with 4 nm pore size provided higher boron and salt rejections than the other two tested membranes. Increasing pH from 8.8 to 10.5 did not enhance boron rejections. Operating pressure around 8 bar was found to be optimum in terms of flux values and boron and salt rejections for the 4 nm pore-sized membrane. The results indicated that ceramic ultrafiltration membranes can only partially (around 25-30%) remove boron from geothermal waters. Once much lower pore-sized nanofiltration or brackish water reverse osmosis type ceramic membranes are available, they may be used for the desalination of processed geothermal waters since ceramic membranes are resistant to extreme conditions. Ceramic fine-UF membranes can also be used as a pre-treatment stage prior to polymeric brackish water reverse osmosis processes in desalination of geothermal waters.
    VL  - 2
    IS  - 5
    ER  - 

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