Definition:
A cutting-edge process that splits methane (CH₄) into hydrogen (H₂) and solid carbon (C) without emitting CO₂, making it a clean alternative to steam methane reforming (SMR).
Key Components:
- High-Temperature Reactor: Heats methane to 800-1,200°C to break molecular bonds.
- Solid Carbon Separation System: Captures and stores carbon in its solid form.
- Hydrogen Purification Unit: Removes residual methane and impurities.
Use Cases/Industries:
- Clean Hydrogen Production: Generates “turquoise hydrogen” with near-zero emissions.
- Steel & Cement Industry: Supplies hydrogen for high-temperature industrial processes.
- Fuel Cell Applications: Provides hydrogen for power generation and transportation.
Advantages:
- Zero CO₂ Emissions: No greenhouse gases are released during conversion.
- Solid Carbon Utilization: Carbon byproduct can be used in manufacturing industries.
- High Hydrogen Purity: Produces nearly 100% pure hydrogen.
Challenges:
- Technology Maturity: Still in pilot and early commercial deployment.
- Energy Input Requirements: Requires significant heat to sustain pyrolysis.
- Carbon Management: Must develop markets for solid carbon utilization.
Related Terms:
Turquoise Hydrogen, Decarbonized Methane, CO₂-Free Hydrogen
Example:
A hydrogen production facility deploys methane pyrolysis to generate clean hydrogen for industrial use, selling the solid carbon byproduct to battery manufacturers.
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Synonyms:
Thermal Methane Decomposition, Methane Cracking, Low-Carbon Hydrogen Production
