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Assisted reverse electrodialysis : a novel technique to decrease reverse osmosis energy demand

Marjolein Vanoppen UGent, Ella Criel, Stephen Andersen UGent, Antonin Prévoteau UGent and Arne Verliefde UGent (2016) AMTA/AWWA Membrane Technology conference, Papers.
abstract
Assisted reverse electrodialysis (ARED) was introduced as a pre-desalination technique for seawater reverse osmosis (RO) for drinking water production. ARED is comparable to an additional applied pressure along the osmotic pressure in pressure assisted osmosis; a small voltage is applied in the same direction as the open cell voltage to increase the desalination speed compared to reverse electrodialysis (RED). This decreases the required membrane area. The concentration of the dilute compartment increases significantly during ARED operation due to the increased speed of desalination. This results in an overall decrease in total cell resistance. Although the energy demand for ARED is higher than for RED, the ARED-RO process still achieves a decrease in overall energy requirements at higher RO recoveries when compared to stand-alone RO. However, ion-exchange membrane prices will have to come down to 1-10 €/m² for the ARED-RO hybrid to become economically viable at current energy prices.
Please use this url to cite or link to this publication:
author
organization
year
type
conference (other)
publication status
published
subject
in
AMTA/AWWA Membrane Technology conference, Papers
pages
12 pages
publisher
American Membrane Technology Association (AMTA) ; American Water Works Association (AWWA)
conference name
AMTA/AWWA 2016 Membrane Technology conference
conference location
San Antonio, TX, USA
conference start
2016-02-01
conference end
2016-02-05
language
English
UGent publication?
yes
classification
C1
copyright statement
I have transferred the copyright for this publication to the publisher
id
7098263
handle
http://hdl.handle.net/1854/LU-7098263
date created
2016-02-24 09:07:42
date last changed
2017-06-07 12:23:22
@inproceedings{7098263,
  abstract     = {Assisted reverse electrodialysis (ARED) was introduced as a pre-desalination technique for seawater reverse osmosis (RO) for drinking water production. ARED is comparable to an additional applied pressure along the osmotic pressure in pressure assisted osmosis; a small voltage is applied in the same direction as the open cell voltage to increase the desalination speed compared to reverse electrodialysis (RED). This decreases the required membrane area. The concentration of the dilute compartment increases significantly during ARED operation due to the increased speed of desalination. This results in an overall decrease in total cell resistance. Although the energy demand for ARED is higher than for RED, the ARED-RO process still achieves a decrease in overall energy requirements at higher RO recoveries when compared to stand-alone RO. However, ion-exchange membrane prices will have to come down to 1-10 {\texteuro}/m{\texttwosuperior} for the ARED-RO hybrid to become economically viable at current energy prices.},
  author       = {Vanoppen, Marjolein and Criel, Ella and Andersen, Stephen and Pr{\'e}voteau, Antonin and Verliefde, Arne},
  booktitle    = {AMTA/AWWA Membrane Technology conference, Papers},
  language     = {eng},
  location     = {San Antonio, TX, USA},
  pages        = {12},
  publisher    = {American Membrane Technology Association (AMTA) ; American Water Works Association (AWWA)},
  title        = {Assisted reverse electrodialysis : a novel technique to decrease reverse osmosis energy demand},
  year         = {2016},
}

Chicago
Vanoppen, Marjolein, Ella Criel, Stephen Andersen, Antonin Prévoteau, and Arne Verliefde. 2016. “Assisted Reverse Electrodialysis : a Novel Technique to Decrease Reverse Osmosis Energy Demand.” In AMTA/AWWA Membrane Technology Conference, Papers. American Membrane Technology Association (AMTA) ; American Water Works Association (AWWA).
APA
Vanoppen, M., Criel, E., Andersen, S., Prévoteau, A., & Verliefde, A. (2016). Assisted reverse electrodialysis : a novel technique to decrease reverse osmosis energy demand. AMTA/AWWA Membrane Technology conference, Papers. Presented at the AMTA/AWWA 2016 Membrane Technology conference, American Membrane Technology Association (AMTA) ; American Water Works Association (AWWA).
Vancouver
1.
Vanoppen M, Criel E, Andersen S, Prévoteau A, Verliefde A. Assisted reverse electrodialysis : a novel technique to decrease reverse osmosis energy demand. AMTA/AWWA Membrane Technology conference, Papers. American Membrane Technology Association (AMTA) ; American Water Works Association (AWWA); 2016.
MLA
Vanoppen, Marjolein, Ella Criel, Stephen Andersen, et al. “Assisted Reverse Electrodialysis : a Novel Technique to Decrease Reverse Osmosis Energy Demand.” AMTA/AWWA Membrane Technology Conference, Papers. American Membrane Technology Association (AMTA) ; American Water Works Association (AWWA), 2016. Print.