Experimental investigation of simultaneous hydrogen production and desalination via electrodialysis process

Ragad F. Alshebli; Burak Yuzer; Yusuf Bicer

doi:10.1016/j.ijhydene.2022.12.104

Experimental investigation of simultaneous hydrogen production and desalination via electrodialysis process

Ragad F. Alshebli^*, Burak Yuzer, Yusuf Bicer

^*Corresponding author for this work

CSE Sustainable Development

Research output: Contribution to journal › Article › peer-review

15 Citations (Scopus)

Abstract

The primary purpose of the electrodialysis (ED) process is to desalinate saline water; besides this, hydrogen, a valuable energy carrier gas, is generated at the cathode side of the ED cell in this study. However, hydrogen gas reacts with oxygen gas and reforms water due to the internal recirculation of the electrolyte solution from the anode to the cathode compartment. This study investigates the potential of hydrogen gas generation in an ED system that desalinates sodium sulfate (Na₂SO₄) solution. The maximum conductivity removal ratio is 98.1% when ion-exchange resins are placed into the diluate compartment at pH 8, and the ED system's hydrogen production rate is 76.8 mg H₂/h·kg Na₂SO₄. The maximum hydrogen production rate is achieved as 118.8 mg H₂/h·kg Na₂SO₄ solution under 14.06 mA/cm² current density. The maximum energy and exergy efficiencies are calculated as 25.29% and 28.78%, respectively. The results indicate that the conventional ED process makes hydrogen production possible while desalinating saline water.

Original language	English
Pages (from-to)	39002-39018
Number of pages	17
Journal	International Journal of Hydrogen Energy
Volume	48
Issue number	99
DOIs	https://doi.org/10.1016/j.ijhydene.2022.12.104
Publication status	Published - 25 Dec 2023

Keywords

Co-production
Energy carrier
Hydrogen
Ion-exchange membrane

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10.1016/j.ijhydene.2022.12.104

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title = "Experimental investigation of simultaneous hydrogen production and desalination via electrodialysis process",

abstract = "The primary purpose of the electrodialysis (ED) process is to desalinate saline water; besides this, hydrogen, a valuable energy carrier gas, is generated at the cathode side of the ED cell in this study. However, hydrogen gas reacts with oxygen gas and reforms water due to the internal recirculation of the electrolyte solution from the anode to the cathode compartment. This study investigates the potential of hydrogen gas generation in an ED system that desalinates sodium sulfate (Na2SO4) solution. The maximum conductivity removal ratio is 98.1% when ion-exchange resins are placed into the diluate compartment at pH 8, and the ED system's hydrogen production rate is 76.8 mg H2/h·kg Na2SO4. The maximum hydrogen production rate is achieved as 118.8 mg H2/h·kg Na2SO4 solution under 14.06 mA/cm2 current density. The maximum energy and exergy efficiencies are calculated as 25.29% and 28.78%, respectively. The results indicate that the conventional ED process makes hydrogen production possible while desalinating saline water.",

keywords = "Co-production, Energy carrier, Hydrogen, Ion-exchange membrane",

author = "Alshebli, {Ragad F.} and Burak Yuzer and Yusuf Bicer",

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doi = "10.1016/j.ijhydene.2022.12.104",

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AU - Alshebli, Ragad F.

AU - Yuzer, Burak

AU - Bicer, Yusuf

PY - 2023/12/25

Y1 - 2023/12/25

N2 - The primary purpose of the electrodialysis (ED) process is to desalinate saline water; besides this, hydrogen, a valuable energy carrier gas, is generated at the cathode side of the ED cell in this study. However, hydrogen gas reacts with oxygen gas and reforms water due to the internal recirculation of the electrolyte solution from the anode to the cathode compartment. This study investigates the potential of hydrogen gas generation in an ED system that desalinates sodium sulfate (Na2SO4) solution. The maximum conductivity removal ratio is 98.1% when ion-exchange resins are placed into the diluate compartment at pH 8, and the ED system's hydrogen production rate is 76.8 mg H2/h·kg Na2SO4. The maximum hydrogen production rate is achieved as 118.8 mg H2/h·kg Na2SO4 solution under 14.06 mA/cm2 current density. The maximum energy and exergy efficiencies are calculated as 25.29% and 28.78%, respectively. The results indicate that the conventional ED process makes hydrogen production possible while desalinating saline water.

AB - The primary purpose of the electrodialysis (ED) process is to desalinate saline water; besides this, hydrogen, a valuable energy carrier gas, is generated at the cathode side of the ED cell in this study. However, hydrogen gas reacts with oxygen gas and reforms water due to the internal recirculation of the electrolyte solution from the anode to the cathode compartment. This study investigates the potential of hydrogen gas generation in an ED system that desalinates sodium sulfate (Na2SO4) solution. The maximum conductivity removal ratio is 98.1% when ion-exchange resins are placed into the diluate compartment at pH 8, and the ED system's hydrogen production rate is 76.8 mg H2/h·kg Na2SO4. The maximum hydrogen production rate is achieved as 118.8 mg H2/h·kg Na2SO4 solution under 14.06 mA/cm2 current density. The maximum energy and exergy efficiencies are calculated as 25.29% and 28.78%, respectively. The results indicate that the conventional ED process makes hydrogen production possible while desalinating saline water.

KW - Co-production

KW - Energy carrier

KW - Hydrogen

KW - Ion-exchange membrane

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JO - International Journal of Hydrogen Energy

JF - International Journal of Hydrogen Energy

IS - 99

ER -

Experimental investigation of simultaneous hydrogen production and desalination via electrodialysis process

Abstract

Keywords

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