Hydrogen Carrier Medium for Decentralized Natural Gas Processing
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Solution Overview
Problem
Current methods for producing hydrogen from natural gas are complex and economically viable only at large scales, making it challenging to utilize smaller or decentralized natural gas sources efficiently.
Innovation Solution
A process involving the hydrogenation of an intermediate gas mixture with a hydrogen carrier medium, specifically a liquid organic hydrogen carrier (LOHC), where hydrogen is chemically bound directly to the carrier medium, eliminating the need for separate hydrogen isolation and simplifying the production and storage process.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If conventional methods for producing hydrogen from natural gas are used, then hydrogen can be produced, but the process becomes complicated and economically viable only at large plant sizes
Solution Approach 1:
The invention extracts only the essential function of hydrogen production by using a hydrogen carrier medium that selectively binds hydrogen from the intermediate gas mixture. This extraction approach eliminates the need for complex separation units and purification systems, allowing hydrogen production to be economically viable at smaller plant sizes while reducing process complexity
Solution Approach 2:
The hydrogen carrier medium acts as an intermediary substance that facilitates hydrogen production by selectively binding hydrogen from the intermediate gas mixture. This mediator enables a simplified process where hydrogen is transferred to the carrier medium, which can then be transported and converted to hydrogen gas on-demand, avoiding the need for large-scale complex processing plants
2Manufacturing precision
If hydrogen is separated and stored in isolated form, then pure hydrogen is obtained, but additional separation and storage infrastructure is required
Solution Approach 1:
The invention extracts hydrogen from the intermediate gas mixture by having it bind to the hydrogen carrier medium, achieving high-purity hydrogen transfer without requiring complex separation infrastructure. The selective binding nature of the carrier medium ensures purity while simplifying the overall process
Solution Approach 2:
The invention changes the physical state and binding parameters of hydrogen by using the hydrogen carrier medium to bind hydrogen chemically. This parameter change allows hydrogen to be transported in a stable, high-purity form without requiring complex storage infrastructure, as the hydrogen is held in chemical bonds rather than requiring physical containment
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
This approach makes hydrogen production economically viable in smaller plants, allowing the utilization of previously uneconomical natural gas sources, reducing capital and operating costs, and enabling the production of high-purity hydrogen for transport and use in various applications.
Implementation Method 1
contacting of the intermediate gas mixture with a hydrogen carrier medium in order to hydrogenate the hydrogen carrier medium
Implementation Method 2
Hydrogen present in the intermediate gas mixture is bound directly to the carrier medium. Other components of the intermediate gas mixture, on the other hand, do not react with the carrier medium and are not bound to this.
Data Source
AI summary
A process for producing and storing hydrogen includes providing an intermediate gas mixture having an increased proportion of hydrogen and contacting of the intermediate gas mixture with a hydrogen carrier medium in order to hydrogenate the hydrogen carrier medium.