Producing Hydrogen and Fresh Water from Brackish Water Desalination via Electrodialysis

Nowadays scientists and communities are particularly worried about climate change and the transition towards renewable energies is a matter of crucial importance. In this context, European Community is strongly promoting the production of green hydrogen, i.e. the electrolysis of water coupled with r...

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Main Authors: Giovanni Campisi, Alessandra Pellegrino, Andrea Cipollina, Alessandro Tamburini, Giorgio Micale
Format: Article
Language:English
Published: AIDIC Servizi S.r.l. 2023-11-01
Series:Chemical Engineering Transactions
Online Access:http://www.cetjournal.it/index.php/cet/article/view/13756
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author Giovanni Campisi
Alessandra Pellegrino
Andrea Cipollina
Alessandro Tamburini
Giorgio Micale
author_facet Giovanni Campisi
Alessandra Pellegrino
Andrea Cipollina
Alessandro Tamburini
Giorgio Micale
author_sort Giovanni Campisi
collection DOAJ
description Nowadays scientists and communities are particularly worried about climate change and the transition towards renewable energies is a matter of crucial importance. In this context, European Community is strongly promoting the production of green hydrogen, i.e. the electrolysis of water coupled with renewable electrical sources. In addition to the energy issue, United Nations have identified the lack of water as another big issue for modern society. Electrodialysis (ED) is an electro-membrane process able to desalinate a salty feed by the application of an external power supply. It takes advantage of the use of ionic exchange membranes which allow a controlled separation of ions from the salty feed to obtain freshwater and brine as outputs. The present work tries to address the above issues by proposing the simultaneous production of fresh water and hydrogen with an integrated hydrogen-electrodialysis (HED) unit. The aim of the present work is that of assessing the economic feasibility of the process. To this purpose, a techno-economic model has been developed to predict the behaviour of the HED unit. The model is able to predict experimental data and should be regarded as a simple yet reliable tool to assess the process economic feasibility. Preliminary analyses suggest that the simultaneous production of hydrogen and fresh water may be profitable.
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spelling doaj.art-824f7067ee554c08aed936293f5803c22023-11-30T23:49:11ZengAIDIC Servizi S.r.l.Chemical Engineering Transactions2283-92162023-11-0110510.3303/CET23105018Producing Hydrogen and Fresh Water from Brackish Water Desalination via ElectrodialysisGiovanni CampisiAlessandra PellegrinoAndrea CipollinaAlessandro TamburiniGiorgio MicaleNowadays scientists and communities are particularly worried about climate change and the transition towards renewable energies is a matter of crucial importance. In this context, European Community is strongly promoting the production of green hydrogen, i.e. the electrolysis of water coupled with renewable electrical sources. In addition to the energy issue, United Nations have identified the lack of water as another big issue for modern society. Electrodialysis (ED) is an electro-membrane process able to desalinate a salty feed by the application of an external power supply. It takes advantage of the use of ionic exchange membranes which allow a controlled separation of ions from the salty feed to obtain freshwater and brine as outputs. The present work tries to address the above issues by proposing the simultaneous production of fresh water and hydrogen with an integrated hydrogen-electrodialysis (HED) unit. The aim of the present work is that of assessing the economic feasibility of the process. To this purpose, a techno-economic model has been developed to predict the behaviour of the HED unit. The model is able to predict experimental data and should be regarded as a simple yet reliable tool to assess the process economic feasibility. Preliminary analyses suggest that the simultaneous production of hydrogen and fresh water may be profitable.http://www.cetjournal.it/index.php/cet/article/view/13756
spellingShingle Giovanni Campisi
Alessandra Pellegrino
Andrea Cipollina
Alessandro Tamburini
Giorgio Micale
Producing Hydrogen and Fresh Water from Brackish Water Desalination via Electrodialysis
Chemical Engineering Transactions
title Producing Hydrogen and Fresh Water from Brackish Water Desalination via Electrodialysis
title_full Producing Hydrogen and Fresh Water from Brackish Water Desalination via Electrodialysis
title_fullStr Producing Hydrogen and Fresh Water from Brackish Water Desalination via Electrodialysis
title_full_unstemmed Producing Hydrogen and Fresh Water from Brackish Water Desalination via Electrodialysis
title_short Producing Hydrogen and Fresh Water from Brackish Water Desalination via Electrodialysis
title_sort producing hydrogen and fresh water from brackish water desalination via electrodialysis
url http://www.cetjournal.it/index.php/cet/article/view/13756
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