Method and Apparatus for Releasing Gas from a Liquid Medium

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The patent describes a method and apparatus for efficiently releasing a gas, particularly hydrogen, from a liquid medium using a specially designed reactor. The process includes lowering the partial pressure of the target gas (such as hydrogen) in the reactor to below 1 bar, thereby enhancing the efficiency of gas release, especially in chemical reactions like the dehydrogenation of liquid organic hydrogen carriers (LOHCs). The system features integration with devices such as fuel cells for gas utilization and heat recovery, and includes purification steps to ensure the high quality of the released gas.

Use CasesContent extracted from patent full text and abstract with AI.

• Hydrogen generation systems for fuel cell vehicles or stationary power plants using LOHC technology.
• Industrial processes involving the extraction of dissolved or chemically bound gases from liquid media (e.g., hydrogen from chemical carriers).
• On-site hydrogen production and dispensing at fueling stations with integrated fuel cell systems.
• Efficient and safe hydrogen release for energy storage and grid balancing using liquid organic hydrogen carriers.
• Research and process development for advanced hydrogen storage and release technologies.

BenefitsContent extracted from patent full text and abstract with AI.

• Increases the efficiency of hydrogen or gas release from liquid carriers by reducing the required temperature for the reaction.
• Enables safer and simpler handling, storage, and transportation of hydrogen in liquid form, minimizing high-pressure and safety risks.
• Allows for integration with fuel cells, enabling seamless energy conversion and heat recovery for improved overall process efficiency.
• Facilitates the production of high-purity hydrogen suitable for sensitive applications such as fuel cells through integrated purification steps.
• Reduces operational costs by enabling lower temperature operation and longer catalyst life due to periodic pressure cycling and reduced coke formation.
• Adaptable to existing infrastructure due to the similarity of LOHCs to conventional liquid fuels, simplifying logistics and storage.

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Patent Abstract

The invention relates to a method for releasing gas form a liquid medium, comprising the method steps of: providing a reactor (2) for releasing the gas from the liquid medium, reducing a partial pressure (pg) of the gas in the reactor (2) to less than 1 bar, releasing the gas from the liquid medium and discharging the released gas from the reactor (2).