Blue Hydrogen Turbine Power Generation With CO2 Capture and Conversion
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Solution Overview
Problem
Existing hydrogen production methods, such as water electrolysis and steam reforming, suffer from reduced hydrogen efficiency due to OH radical recombination and emit carbon dioxide into the atmosphere, limiting greenhouse gas reduction.
Innovation Solution
A high-efficiency hydrogen turbine power generation system that reforms natural gas or city gas to produce blue hydrogen, captures carbon dioxide, and converts it into sodium carbonate, using a system comprising raw material gas supply, hydrogen production, carbon dioxide capture, storage, and power generation units.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If water electrolysis technology is used to produce hydrogen, then hydrogen can be generated through decomposition of water, but OH radicals recombine with oxygen and hydrogen to produce water, reducing hydrogen generation efficiency
Solution Approach 1:
The patent extracts and removes OH radicals from the electrolysis system by introducing a catalyst that selectively converts OH radicals into additional hydrogen gas. This prevents OH radicals from recombining with hydrogen and oxygen to form water, thereby eliminating the energy loss while maintaining the water decomposition function.
Solution Approach 2:
The patent converts the harmful OH radicals, which normally reduce hydrogen generation efficiency through recombination reactions, into a beneficial source of additional hydrogen production. By using a catalyst to transform OH radicals into hydrogen gas, the system turns a detrimental byproduct into a valuable resource, simultaneously increasing hydrogen yield and reducing energy waste.
2Ease of manufacture
If steam reforming method is used to produce hydrogen economically, then hydrogen production cost is reduced, but carbon dioxide is emitted into the atmosphere, limiting greenhouse gas reduction
Solution Approach 1:
The patent captures carbon dioxide emissions from the steam reforming process and converts them into valuable carbonate products through chemical reaction with alkaline solutions. This transforms the harmful CO2 emissions into useful resources, maintaining the economic advantage of steam reforming while eliminating its environmental disadvantage.
Solution Approach 2:
Instead of discarding carbon dioxide as a waste product, the patent implements a recovery system that captures CO2 from the reforming process and converts it into sellable carbonate products. This recovers what would normally be a harmful emission, creating both environmental benefit and potential additional revenue streams.
3Object-generated harmful factors
If carbon dioxide is captured during hydrogen production to produce blue hydrogen, then greenhouse gas emissions are reduced, but additional equipment and process complexity are required
Solution Approach 1:
The patent merges the carbon dioxide capture function with the existing hydrogen production system by integrating CO2 capture units directly into the reforming process flow. The captured CO2 is then combined with alkaline solutions in a mineralization process that produces valuable carbonate products, consolidating multiple functions (hydrogen production, CO2 capture, and waste conversion) into an integrated system.
Solution Approach 2:
The patent implements a self-service approach where the carbon dioxide captured during hydrogen production is automatically converted into valuable carbonate products using the system's own resources (alkaline solutions already present in the process). This eliminates the need for separate, complex external CO2 disposal systems, reducing overall system complexity while achieving emission reduction goals.
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
The system significantly reduces carbon dioxide emissions by producing high-purity blue hydrogen and converting captured carbon dioxide into a useful resource, enabling eco-friendly, high-efficiency electricity generation.
Implementation Method 1
hydrogen gas through a steam reforming reaction of the raw material gas
Implementation Method 2
a carbon dioxide capture equipment unit configured to remove carbon dioxide from the hydrogen gas produced by the hydrogen production equipment unit
Implementation Method 3
combusting the finally obtained blue hydrogen to produce high-efficiency electricity
Implementation Method 4
hydrogen turbine power generation system
Data Source
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AI summary
A high-efficiency hydrogen turbine power generation system using blue hydrogen, according to one embodiment of the present invention, comprises: a raw material gas supply equipment unit that removes foreign substances contained in raw material gas including natural gas or city gas, measures the flow rate, and supplies the raw material gas of which the pressure is increased to match the operating pressure required for hydrogen production; a hydrogen production equipment unit that continuously produces hydrogen gas by using a steam reforming reaction on the raw material gas supplied from the raw material gas supply equipment unit; a carbon dioxide capture equipment unit that removes carbon dioxide from the hydrogen gas produced by the hydrogen production equipment unit; a hydrogen storage equipment unit that receives and stores blue hydrogen from which carbon dioxide has been removed through the carbon dioxide capture equipment unit; and a hydrogen power generation equipment unit that produces electricity by receiving blue hydrogen from the hydrogen storage equipment unit.