Fuel Decontamination Using Multiphase Fluids for Low-Carbon Hydrogen
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Solution Overview
Problem
Current methods for producing hydrogen and other energy vectors face challenges related to high carbon emissions, energy intensity, and inefficiencies in carbon capture and storage, particularly in the production of hydrocarbons and ammonia, which are energy-intensive and contribute significantly to greenhouse gas emissions.
Innovation Solution
The use of novel solvents and operating schemes involving multiphase fluids, including liquid metals, inorganic deep eutectic solvents, and dynamic cavitation, to selectively decarbonize and desulfurize fuels, producing cleaner energy vectors like hydrogen and ammonia with reduced thermal and electrical energy inputs.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Object-generated harmful factors
If water electrolysis is used for hydrogen production, then carbon emissions are reduced, but energy consumption increases significantly
Solution Approach 1:
The patent combines water electrolysis with methane reforming in a single integrated system. The methane reforming unit provides both hydrogen and electrical energy to the electrolysis unit, merging two separate processes into one synergistic system that reduces overall energy consumption while maintaining low carbon emissions.
Solution Approach 2:
The system uses the hydrogen and electrical energy produced from methane reforming to power the water electrolysis process. This self-service approach allows the reforming unit to sustain the electrolysis unit without requiring external energy input, thereby reducing total energy consumption.
2Object-generated harmful factors
If CO2 capture is implemented in power plants, then carbon emissions are reduced, but energy expenditure increases by 40%
Solution Approach 1:
The patent extracts and utilizes the CO2 produced during methane reforming as a feedstock for chemical synthesis processes. Instead of capturing and storing CO2 through energy-intensive methods, the system extracts it for productive use in generating chemicals and fuels, thereby avoiding the 40% energy penalty associated with traditional CO2 capture.
3Productivity
If hydrogen is produced through methane reforming, then hydrogen availability is improved, but carbon containing gaseous emissions increase
Solution Approach 1:
The patent converts the harmful CO2 emissions from methane reforming into beneficial chemical feedstocks. The CO2 is utilized in synthesis processes to produce chemicals and fuels, transforming the waste product into a valuable resource that reduces net carbon emissions while maintaining high hydrogen availability.
Data Source
AI summary
A method to decontaminate a broad scope of fuels by selectively decarbonizing or desulfurizing them while producing cleaner fuels, energy, or both. The method involves the use of novel solvents, as well as novel operating schemes, and processes that reduce the thermal energy budget required to selectively produce or consume hydrogen from carbon or sulfur containing chemicals. Within the disclosure, processes are disclosed on how to circumvent throughput limitations of ionic conducting materials, balance an electrical energy grid by trading energy production for fuel production, as well as to how to tune the selectivity of an output material stream.