GS2 INTERNATIONAL RELATIONS
A recent study published in Energy & Fuels highlights that a hybrid method of producing ammonia—combining blue and green technologies—offers both economic and environmental advantages over conventional approaches.
Key Research Findings
- Production cost reduced by 7% compared to operating blue or green ammonia plants separately.
- Greenhouse gas emissions reduced by 63% across the production lifecycle.
- Resource efficiency significantly improved by using shared process inputs.
How the Hybrid System Works
This innovative model integrates natural gas reforming (blue ammonia) with renewable energy-powered electrolysis (green ammonia).
| Component | Source | Contribution |
| Hydrogen | Renewable electrolysis (green) + natural gas reforming (blue) | Fuel for ammonia synthesis |
| Nitrogen | Extracted from air | Reacts with hydrogen |
| Oxygen | By-product of electrolysis | Used in reforming process |
This synergy allows oxygen generated during electrolysis to aid methane reforming, increasing efficiency and minimizing waste.
Blue vs. Green Ammonia
| Type | Feedstock | Emission Strategy | Limitation |
| Blue Ammonia | Natural gas | Carbon capture & storage (CCS) | Still fossil fuel dependent |
| Green Ammonia | Water + Renewable electricity | Zero COâ‚‚ emissions | High production cost |
| Blue-Green Hybrid | Combination of above | Lower emissions + lower cost | Needs integrated infrastructure |
Industrial Significance
- Ammonia is essential for fertilizer production and forms the backbone of global agriculture.
- It is also emerging as a clean energy carrier in hydrogen transport and maritime fuel.
- Hybrid production can accelerate sustainable transition in chemical manufacturing while meeting global energy and food security needs.
Why It Matters
- Reduces reliance on pure fossil fuel-based ammonia.
- Supports carbon-neutral industrial strategy.
- Offers a practical transition pathway until full green hydrogen systems become economically viable.