Analysis and assessment of an advanced hydrogen liquefaction system

Hammad, Anwar; Dinçer, İbrahim

doi:10.1016/j.ijhydene.2017.10.158

Cited by 71 publications

(11 citation statements)

References 15 publications

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“…Moreover, case-study analysis of advanced liquefaction systems have shown how there is still room for improvement on what concerns overall efficiency challenges. These may include changes in the hydrogen's feed temperature and the catalysts themselves; the total yield could further benefit from design adjustments that reduce environmental impact and waste production [40].…”

Section: Storage By Liquefactionmentioning

confidence: 99%

Recent Developments on Hydrogen Production Technologies: State-of-the-Art Review with a Focus on Green-Electrolysis

2021

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Growing human activity has led to a critical rise in global energy consumption; since the current main sources of energy production are still fossil fuels, this is an industry linked to the generation of harmful byproducts that contribute to environmental deterioration and climate change. One pivotal element with the potential to take over fossil fuels as a global energy vector is renewable hydrogen; but, for this to happen, reliable solutions must be developed for its carbon-free production. The objective of this study was to perform a comprehensive review on several hydrogen production technologies, mainly focusing on water splitting by green-electrolysis, integrated on hydrogen’s value chain. The review further deepened into three leading electrolysis methods, depending on the type of electrolyzer used—alkaline, proton-exchange membrane, and solid oxide—assessing their characteristics, advantages, and disadvantages. Based on the conclusions of this study, further developments in applications like the efficient production of renewable hydrogen will require the consideration of other types of electrolysis (like microbial cells), other sets of materials such as in anion-exchange membrane water electrolysis, and even the use of artificial intelligence and neural networks to help design, plan, and control the operation of these new types of systems.

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Section: Storage By Liquefactionmentioning

confidence: 99%

Recent Developments on Hydrogen Production Technologies: State-of-the-Art Review with a Focus on Green-Electrolysis

2021

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“…Georges Claude developed a cycle for air liquefaction that was used for hydrogen liquefaction . Most of the existing large‐scale liquefaction plants and conventional liquefaction cycles are based on Claude cycle, and their exergy efficiencies are in the range of 20% to 30% . Baker and Shaner investigated a Claude process based on the nitrogen pre‐cooling and catalytic conversion with the capacity and exergy efficiency of 250 tons per day and 36%, respectively.…”

Section: Introductionmentioning

confidence: 99%

“…The results indicated that the power consumption of introduced plant was 50% lower than that of the Ingolstadt liquefaction plant. Hammad and Dincer proposed a hydrogen liquefaction system using catalyst infused heat exchangers …”

Section: Introductionmentioning

confidence: 99%

“…5 Most of the existing large-scale liquefaction plants and conventional liquefaction cycles are based on Claude cycle, and their exergy efficiencies are in the range of 20% to 30%. 6 Baker and Shaner 7 investigated a Claude process based on the nitrogen precooling and catalytic conversion with the capacity and exergy efficiency of 250 tons per day and 36%, respectively. Matsuda and Nagami 8 in World Energy Network (WE-NET) hydrogen liquefaction project designed a liquefaction plant for hydrogen using a Claude cycle with the liquefaction capacity of 300 tons per day.…”

Section: Introductionmentioning

confidence: 99%

“…Hammad and Dincer proposed a hydrogen liquefaction system using catalyst infused heat exchangers. 6 Hydrogen liquefaction cycles can be classified into the following broad groups: (a) Claude cycle and (b) Linde-Hampson cycle. Claude liquefaction cycle applies expanders for the expansion process, but the Linde-Hampson liquefaction cycle replaces the expanders with expansion valves.…”

Section: Introductionmentioning

confidence: 99%

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A novel integrated hydrogen and natural gas liquefaction process using two multistage mixed refrigerant refrigeration systems

2019

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Summary The development and analysis of combined hydrogen and natural gas liquefaction process are reported. Two refrigeration cycles using mixed refrigerants (MRs) are employed. The developed process is capable of generating 290 tons hydrogen and 296 tons liquid natural gas on daily basis. The first refrigeration cycle of the introduced process liquefies 3.5 kg·s−1 normal gaseous hydrogen and 3.5 kg·s−1 normal natural gas at room temperature and 21 bar to −195°C with the consumed power of 0.643 kWh/kgLH2,kgLNG. The second refrigeration cycle cools down the hydrogen and natural gas to −253°C with the consumed power of 1.662 kWh/kgLH2,kgLNG, leading to a lower total consumed power than that of the identical liquefaction processes. The use of novel and appropriately mixed refrigerants based on the configuration, and the thermal design of expanders and heat exchangers fora wide range of temperatures are the innovations of the process. Additionally, the refrigerant compositions of refrigeration cycles are novel. The energy analysis indicated that the coefficient of performance (COP) for the developed process is 0.2442, which is notably high compared with the COP of other identical processes (typically less than 0.1797). The exergy analysis revealed that the overall exergy efficiency of the liquefaction process is 62.54%. Highlight edited A novel integrated hydrogen and natural gas liquefaction process is introduced. The process can generate 290 tons hydrogen and 296 tons liquid natural gas per day. Total power consumptions of the process are 4.165 kWh/kgLH2,kgLNG. Coefficient of performance (COP) for the developed process is 0.2442, which is notably high compared with the COP of other identical processes. Overall exergy efficiency of the liquefaction process is 62.54%.

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Design and performance analysis of a hydrogen liquefaction process

Zhang

Liu

2021

Clean Techn Environ Policy

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Analysis and assessment of an advanced hydrogen liquefaction system

Cited by 71 publications

References 15 publications

Recent Developments on Hydrogen Production Technologies: State-of-the-Art Review with a Focus on Green-Electrolysis

Recent Developments on Hydrogen Production Technologies: State-of-the-Art Review with a Focus on Green-Electrolysis

A novel integrated hydrogen and natural gas liquefaction process using two multistage mixed refrigerant refrigeration systems

Design and performance analysis of a hydrogen liquefaction process

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