Hydrogen Production System with Semi-Permeable Membrane Separator
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Solution Overview
Problem
Current systems for hydrogen gas production, storage, and distribution fail to effectively receive, store, and convert water soluble nanoparticle pellets into hydrogen and oxygen gas, safely separate and vent oxygen gas, compress and cool hydrogen gas, and provide readily available distribution to power systems using non-greenhouse gas emitting energy resources.
Innovation Solution
A system comprising a reactor vessel for producing hydrogen and oxygen gas, a separator vessel for separating the gases, a hydrogen receiver vessel for receiving the separated hydrogen, a compressor for compressing the hydrogen, and a hydrogen storage vessel for storing the compressed gas, along with additional components for safe handling and distribution, including sensors for monitoring and control, and a cooler for cooling the hydrogen.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If water soluble nanoparticle pellets are used for hydrogen production, then hydrogen generation efficiency is improved, but gas separation and safety control becomes more difficult
Solution Approach 1:
The system divides the gas handling process into separate functional modules: a separator vessel for gas separation, a vent line for oxygen removal, and a storage vessel for hydrogen. This segmentation allows each component to specialize in a specific function, making the overall system more manageable while handling the complexity of separating hydrogen from oxygen produced during nanoparticle pellet reaction.
Solution Approach 2:
A semi-permeable membrane is introduced as an intermediary component in the separator vessel to selectively separate hydrogen gas from oxygen gas. This intermediary element enables efficient gas separation based on differential permeability, allowing hydrogen to pass through while blocking oxygen, thus solving the separation challenge without requiring complex chemical processes.
2Quantity of substance
If hydrogen gas is compressed for storage, then storage density is improved, but cooling requirements and safety risks increase
Solution Approach 1:
The system incorporates a pressure safety valve as a preventive safety measure that activates before dangerous pressure buildup occurs. This safety valve is pre-configured to open at a predetermined pressure threshold, releasing excess pressure to prevent vessel rupture or explosion, thus cushioning against the harmful effects of high-pressure hydrogen storage.
Solution Approach 2:
The system extracts and removes oxygen gas from the hydrogen stream before compression and storage. By separating and venting the oxygen component through the separator vessel and vent line, only hydrogen remains for compression, eliminating the explosive hazard of oxygen-hydrogen mixtures while maintaining storage density benefits.
3Reliability
If oxygen gas is vented to ensure safety, then safety is improved, but energy loss increases
Solution Approach 1:
The system extracts oxygen gas from the reaction mixture through selective permeation of the semi-permeable membrane, allowing oxygen to be removed from the hydrogen stream. This extraction enables safe venting of oxygen while preserving the hydrogen fuel, minimizing energy loss by separating the harmful oxygen component from the useful hydrogen component.
Solution Approach 2:
The system converts the potentially harmful oxygen gas produced during nanoparticle pellet reaction into a removable byproduct. By using the semi-permeable membrane to separate oxygen, the system transforms what would be an explosive hazard into a controlled vented gas, while the remaining hydrogen can be safely stored and utilized, turning a safety problem into a manageable process.
4Reliability
If multiple safety devices are installed, then safety is improved, but system complexity increases
Solution Approach 1:
The safety system is segmented into distinct functional components: a separator vessel for gas separation, a vent line for oxygen removal, a pressure safety valve for pressure control, and a cooler for temperature management. Each component handles a specific safety function independently, making the overall safety system more manageable and maintainable while providing comprehensive protection.
Solution Approach 2:
The semi-permeable membrane serves as an intermediary safety mechanism that passively separates hydrogen from oxygen without requiring active control systems. This intermediary component provides continuous safety protection through its inherent selective permeability property, reducing the need for complex active safety systems while maintaining reliable protection.
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
Enables efficient production, storage, and distribution of hydrogen gas as a fuel for industrial, commercial, and residential power systems, providing on-demand energy generation from non-greenhouse gas emitting resources while ensuring safety and efficiency.
Implementation Method 1
a separator vessel for separating the produced hydrogen and oxygen gas
Implementation Method 2
a compressor for compressing the received hydrogen gas
Implementation Method 3
a cooler for cooling the hydrogen
Implementation Method 4
a reactor vessel for facilitating production of Hydrogen and Oxygen gas
Data Source
AI summary
An industrial, commercial and residential Hydrogen production and conversion system is provided. The Hydrogen production and conversion system includes a reactor vessel for facilitating the production of Hydrogen gas and Oxygen gas, a separator vessel for separating the produced Hydrogen and Oxygen gas, a Hydrogen receiver vessel for receiving the separated Hydrogen gas, a compressor for compressing the received Hydrogen gas and a Hydrogen storage vessel for storing the compressed Hydrogen gas and providing the stored Hydrogen gas to one or more power systems to be used as fuel.