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Advances in Hydrogen Production and Hydrogen Separation
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Advances in Hydrogen Production and Hydrogen Separation

A special issue of Energies (ISSN 1996-1073). This special issue belongs to the section "A5: Hydrogen Energy".

Deadline for manuscript submissions: closed (30 June 2021) | Viewed by 19952

Special Issue Editors

Dr. Simona Liguori

E-Mail Website
Guest Editor
Department of Chemical Engineering, Worcester Polytechnic Institute, 100 Institute Rd, Worcester, MA 01609, USA
Interests: hydrogen production; hydrogen separation; membrane; chemical engineering; environmental science and sustainability
Special Issues, Collections and Topics in MDPI journals
Prof. Dr. Jennifer Wilcox

E-Mail Website
Guest Editor
Department of Chemical Engineering, Worcester Polytechnic Institute, Worcester, MA 01609, USA
Interests: carbon capture; negative emissions; membrane and adsorption separation processes; nexus of energy and environment
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues

Hydrogen is broadly considered a clean energy carrier of the future due to its ability to produce energy without emitting pollutants when utilized. The current hydrogen market is globally valued at hundreds of billions of dollars per year, and it is expected to rise to trillions of dollars by 2050. In order to meet the current hydrogen global demand, different production technologies need to be considered, including electrochemical, thermochemical, photochemical, and photobiological methods. Some of these technical approaches are already commercialized, while others are at an earlier stage of development. Moreover, some technologies require separation coupled to purification methods due to the production of hydrogen-rich gases rather than solely high-purity hydrogen.

This Special Issue on “Advances in Hydrogen Production and Hydrogen Separation” welcomes original research involving numerical and experimental studies focusing on the latest developments in hydrogen production and separation technologies, covering a broad range of methods for the production of hydrogen from a variety of sources.

Topics include but not are limited to hydrogen production technologies, including chemical, biological, and renewable processes, and hydrogen separation methods.

Prof. Dr. Simona Liguori
Prof. Dr. Jennifer Wilcox
Guest Editors

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Energies is an international peer-reviewed open access semimonthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2600 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • hydrogen production
  • hydrogen separation
  • chemical and fuel synthesis
  • membrane
  • membrane reactor
  • hydrogen renewable source

Published Papers (4 papers)

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Research

16 pages, 4229 KiB  
Article
Process Integration of Green Hydrogen: Decarbonization of Chemical Industries
by Mohammad Ostadi, Kristofer Gunnar Paso, Sandra Rodriguez-Fabia, Lars Erik Øi, Flavio Manenti and Magne Hillestad
Energies 2020, 13(18), 4859; https://0-doi-org.brum.beds.ac.uk/10.3390/en13184859 - 17 Sep 2020
Cited by 36 | Viewed by 10353
Abstract
Integrated water electrolysis is a core principle of new process configurations for decarbonized heavy industries. Water electrolysis generates H2 and O2 and involves an exchange of thermal energy. In this manuscript, we investigate specific traditional heavy industrial processes that have previously [...] Read more.
Integrated water electrolysis is a core principle of new process configurations for decarbonized heavy industries. Water electrolysis generates H2 and O2 and involves an exchange of thermal energy. In this manuscript, we investigate specific traditional heavy industrial processes that have previously been performed in nitrogen-rich air environments. We show that the individual process streams may be holistically integrated to establish new decarbonized industrial processes. In new process configurations, CO2 capture is facilitated by avoiding inert gases in reactant streams. The primary energy required to drive electrolysis may be obtained from emerging renewable power sources (wind, solar, etc.) which have enjoyed substantial industrial development and cost reductions over the last decade. The new industrial designs uniquely harmonize the intermittency of renewable energy, allowing chemical energy storage. We show that fully integrated electrolysis promotes the viability of decarbonized industrial processes. Specifically, new process designs uniquely exploit intermittent renewable energy for CO2 conversion, enabling thermal integration, H2 and O2 utilization, and sub-process harmonization for economic feasibility. The new designs are increasingly viable for decarbonizing ferric iron reduction, municipal waste incineration, biomass gasification, fermentation, pulp production, biogas upgrading, and calcination, and are an essential step forward in reducing anthropogenic CO2 emissions. Full article
(This article belongs to the Special Issue Advances in Hydrogen Production and Hydrogen Separation)
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26 pages, 6169 KiB  
Article
Water Adsorption Effect on Carbon Molecular Sieve Membranes in H2-CH4 Mixture at High Pressure
by Maria L. V. Nordio, José A. Medrano, Martin van Sint Annaland, David Alfredo Pacheco Tanaka, Margot Llosa Tanco and Fausto Gallucci
Energies 2020, 13(14), 3577; https://0-doi-org.brum.beds.ac.uk/10.3390/en13143577 - 11 Jul 2020
Cited by 7 | Viewed by 2288
Abstract
Carbon molecular sieve membranes (CMSMs) are emerging as promising solution to overcome the drawbacks of Pd-based membranes for H2 separation since (i) they are relatively easy to manufacture; (ii) they have low production and raw material costs; (iii) and they can work [...] Read more.
Carbon molecular sieve membranes (CMSMs) are emerging as promising solution to overcome the drawbacks of Pd-based membranes for H2 separation since (i) they are relatively easy to manufacture; (ii) they have low production and raw material costs; (iii) and they can work at conditions where polymeric and palladium membranes are not stable. In this work CMSMs have been investigated in pure gas and gas mixture tests for a proper understanding of the permeation mechanism, selectivity and purity towards hydrogen. No mass transfer limitations have been observed with these membranes, which represents an important advantage compared to Pd-Ag membranes, which suffer from concentration polarization especially at high pressure and low hydrogen concentrations. H2, CH4, CO2 and N2 permeation at high pressures and different temperatures in presence of dry and humidified stream (from ambient and water vapour) have been carried out to investigate the effect of the presence of water in the feed stream. Diffusion is the main mechanism observed for hydrogen, while methane, nitrogen and especially carbon dioxide permeate through adsorption-diffusion at low temperatures and high pressures. Finally, H2 permeation from H2-CH4 mixtures in presence of water has been compared at different temperatures and pressure, which demonstrates that water adsorption is an essential parameter to improve the performance of carbon molecular sieve membranes, especially when working at high temperature. Indeed, a hydrogen purity of 98.95% from 10% H2—90% CH4 was achieved. The main aim of this work is to understand the permeation mechanisms of CMSMs in different operating conditions and find the best conditions to optimize the separation of hydrogen. Full article
(This article belongs to the Special Issue Advances in Hydrogen Production and Hydrogen Separation)
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19 pages, 3695 KiB  
Article
Modeling of Laboratory Steam Methane Reforming and CO2 Methanation Reactors
by Paola Costamagna, Federico Pugliese, Tullio Cavattoni, Guido Busca and Gabriella Garbarino
Energies 2020, 13(10), 2624; https://0-doi-org.brum.beds.ac.uk/10.3390/en13102624 - 21 May 2020
Cited by 16 | Viewed by 4232
Abstract
To support the interpretation of the experimental results obtained from two laboratory-scale reactors, one working in the steam methane reforming (SMR) mode, and the other in the CO2 hydrogenation (MCO2) mode, a steady-state pseudo-homogeneous 1D non-isothermal packed-bed reactor model is developed, embedding [...] Read more.
To support the interpretation of the experimental results obtained from two laboratory-scale reactors, one working in the steam methane reforming (SMR) mode, and the other in the CO2 hydrogenation (MCO2) mode, a steady-state pseudo-homogeneous 1D non-isothermal packed-bed reactor model is developed, embedding the classical Xu and Froment local kinetics. The laboratory reactors are operated with three different catalysts, two commercial and one homemade. The simulation model makes it possible to identify and account for thermal effects occurring inside the catalytic zone of the reactor and along the exit line. The model is intended to guide the development of small size SMR and MCO2 reactors in the context of Power-to-X (P2X) studies. Full article
(This article belongs to the Special Issue Advances in Hydrogen Production and Hydrogen Separation)
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19 pages, 4543 KiB  
Article
Power to Hydrogen Through Polygeneration Systems Based on Solid Oxide Cell Systems
by Marvin M. Rokni
Energies 2019, 12(24), 4793; https://0-doi-org.brum.beds.ac.uk/10.3390/en12244793 - 16 Dec 2019
Cited by 8 | Viewed by 2496
Abstract
This study presents the design and analysis of a novel plant based on reversible solid oxide cells driven by wind turbines and integrated with district heating, absorption chillers and water distillation. The main goal is produce hydrogen from excess electricity generated by the [...] Read more.
This study presents the design and analysis of a novel plant based on reversible solid oxide cells driven by wind turbines and integrated with district heating, absorption chillers and water distillation. The main goal is produce hydrogen from excess electricity generated by the wind turbines. The proposed design recovers the waste heat to generate cooling, freshwater and heating. The different plant designs proposed here make it possible to alter the production depending on the demand. Further, the study uses solar energy to generate steam and regulate the heat production for the district heating. The study shows that the plant is able to produce hydrogen at a rate of about 2200 kg/day and the hydrogen production efficiency of the plant reaches about 39%. The total plant efficiency (energy efficiency) will be close to 47% when heat, cool and freshwater are accounted for. Neglecting the heat input through solar energy to the system, then hydrogen production efficiency will be about 74% and the total plant efficiency will be about 100%. In addition, the study analyses the plant performance versus wind velocity in terms of heating, cooling and freshwater generation. Full article
(This article belongs to the Special Issue Advances in Hydrogen Production and Hydrogen Separation)
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