An overview of the solar thermochemical processes for hydrogen and syngas production: Reactors, and facilities

Villafán-Vidales, Heidi Isabel; Arancibia-Bulnes, Camilo A.; Riveros-Rosas, David; Romero-Paredes, H.; Estrada, Claudio A.

doi:10.1016/j.rser.2016.11.070

Cited by 108 publications

(40 citation statements)

References 113 publications

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“…Nevertheless, the consideration of H2 as an energy solution has also aroused uncertainties, since the current technology for the H2 production as an energy vector is still too expensive and not efficient enough. According to several authors, hydrogen economy lies on two main key points [20,21]: i) pollutant-free sources for H2 production, and ii) an increased efficiency in the transformation of H2 into useful energy in fuel cells.…”

Section: Introductionmentioning

confidence: 99%

Coke formation and deactivation during catalytic reforming of biomass and waste pyrolysis products: A review

Ochoa

Bilbao

Gayubo

et al. 2020

Renewable and Sustainable Energy Reviews

344

158

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Section: Introductionmentioning

confidence: 99%

Coke formation and deactivation during catalytic reforming of biomass and waste pyrolysis products: A review

Ochoa

Bilbao

Gayubo

et al. 2020

Renewable and Sustainable Energy Reviews

344

158

View full text Add to dashboard Cite

“…Water thermal dissociation (

H_{2} O \to H_{2} + \frac{1}{2} O_{2}

) is a single‐step process that needs a high temperature (above 2900 K) to have an acceptable degree of dissociation (around 35%) . This requirement is one of the most important drawbacks of this technique, which has limited its deployment in solar hydrogen production industry.…”

Section: Concentrated Solar Thermal Hydrogen Productionmentioning

confidence: 99%

“…Water thermal dissociation (H 2 O→H 2 þ 1 2 O 2 ) is a singlestep process that needs a high temperature (above 2900 K) to have an acceptable degree of dissociation (around 35%). 46 This requirement is one of the most important drawbacks of this technique, which has limited its Besides several material problems for this hightemperature process, a considerable reradiation from the reactor can decrease the absorption efficiency. Moreover, an effective method is required to separate the produced H 2 and O 2 to avoid explosion.…”

Section: Hydrogen Production Via Solar Thermolysis Processmentioning

confidence: 99%

Hydrogen from solar energy, a clean energy carrier from a sustainable source of energy

2020

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Summary Solar energy is going to play a crucial role in the future energy scenario of the world that conducts interests to solar‐to‐hydrogen as a means of achieving a clean energy carrier. Hydrogen is a sustainable energy carrier, capable of substituting fossil fuels and decreasing carbon dioxide (CO2) emission to save the world from global warming. Hydrogen production from ubiquitous sustainable solar energy and an abundantly available water is an environmentally friendly solution for globally increasing energy demands and ensures long‐term energy security. Among various solar hydrogen production routes, this study concentrates on solar thermolysis, solar thermal hydrogen via electrolysis, thermochemical water splitting, fossil fuels decarbonization, and photovoltaic‐based hydrogen production with special focus on the concentrated photovoltaic (CPV) system. Energy management and thermodynamic analysis of CPV‐based hydrogen production as the near‐term sustainable option are developed. The capability of three electrolysis systems including alkaline water electrolysis (AWE), polymer electrolyte membrane electrolysis, and solid oxide electrolysis for coupling to solar systems for H2 production is discussed. Since the cost of solar hydrogen has a very large range because of the various employed technologies, the challenges, pros and cons of the different methods, and the commercialization processes are also noticed. Among three electrolysis technologies considered for postulated solar hydrogen economy, AWE is found the most mature to integrate with the CPV system. Although substantial progresses have been made in solar hydrogen production technologies, the review indicates that these systems require further maturation to emulate the produced grid‐based hydrogen.

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“…Moreover, CRS can achieve high concentration ratios, being able to operate the solar receiver at higher temperatures (>550 o C), enabling the utilization of more efficient thermodynamic power cycles such as combined cycles, supercritical steam Rankine cycles or supercritical CO 2 Brayton cycles [1,4,5]. Additionally, long term development of CRS technologies for applications beyond STE is ongoing in areas such as high temperature thermochemical processes and high temperature industrial processes [6,7].…”

Section: Introductionmentioning

confidence: 99%

HeatTracer - A novel Monte Carlo radiative heat transfer tool for cavity receivers simulation

Cardoso

Mendes

2019

SOLARPACES 2018: International Conference on Concentrating Solar Power and Chemical Energy Systems

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The development of new receivers for central receiver systems operating at high temperatures require the development of suitable tools able to accurately simulate heat and mass transfer processes.Such tools should be able to process complex receiver geometries with nongray and directionally nonideal surfaces. This work introduces the development of a new tool, HeatTracer, for the simulation of radiative heat transfer based on the Monte Carlo method, directed to the study of radiation exchange for arbitrary user-defined cavity geometries with spectral and/or directional nonidealities. The main characteristics of this tool are presented, including the main physical models as well as some of the more relevant mathematical and computational algorithms.

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An overview of the solar thermochemical processes for hydrogen and syngas production: Reactors, and facilities

Cited by 108 publications

References 113 publications

Coke formation and deactivation during catalytic reforming of biomass and waste pyrolysis products: A review

Coke formation and deactivation during catalytic reforming of biomass and waste pyrolysis products: A review

Hydrogen from solar energy, a clean energy carrier from a sustainable source of energy

HeatTracer - A novel Monte Carlo radiative heat transfer tool for cavity receivers simulation

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