Green methanation solution
Overview:

Green methanation is a clean fuel pathway that converts captured CO₂ and green hydrogen into synthetic methane (CH₄), offering a storable and distributable energy carrier. As a key solution in the Power-to-Gas (PtG) and CCU strategies, EPC’s modular methanation system enables high-efficiency CO₂ utilization and energy storage, well-suited for remote sites, grid balancing, and renewable energy integration.

System Components:

🟩 CO₂ capture & purification – from flue gas or direct air capture (DAC)

🔷 PEM/AEM electrolyzer – for green hydrogen production

♦️ Methanation reactor (Ni-based catalyst) – exothermic CO₂ + H₂ → CH₄ reaction

💧 Gas purification & conditioning unit – ensures pipeline-grade CH₄

⚙️ Smart control & thermal integration system – for heat recovery and safety automation

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Technical Parameters:
Parameter                      Value Range
Methane Output            0.5–10 t/day (expandable)
Feed Gas Ratio               H₂:CO₂ = 4:1 (mol/mol)
Reaction Temp.               300–400 °C
Reaction Pressure           1–3 
MPaMethane Purity        ≥98%
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Applications:
🏭 CO₂ capture & utilization (CCU) in industrial parks
⚡ Renewable energy storage & Power-to-Gas (PtG)
🚢 Low-carbon marine fuel (Green Marine Fuel)
🔥 Substitute for fossil natural gas (grid injection or full replacement)
🔄 Coupled with solar/wind for “carbon-neutral methane plants”

Solution Advantages:
✅ Achieves CO₂ resource utilization, supporting carbon neutrality & CCU goals
✅ Seamless integration with green hydrogen systems, modular skid-mounted design
✅ High catalytic efficiency: >95% CO₂ conversion, >98% methane selectivity
✅ Product can be injected into natural gas grids or converted to CNG/LNG
✅ Suitable for distributed energy, remote sites, and surplus renewable consumption