Decarbonizing Post-Combustion Blast Furnace Gas Using Membrane-Based Capture: An Economic Perspective

Meaningfully mitigating the climate crisis and limiting global temperature increase to 1.5°C requires expanding beyond electrification and renewables to deep industrial decarbonization. Power generation and transportation have begun shifting to carbon neutrality; industrial decarbonization hasn't made meaningful progress. Pathways toward a carbon-neutral 2050 require a massive scale of carbon capture, utilization and sequestration for industry. A 50,000 scfm feed with 24% CO2, typical of BF steel, was modeled. The system was optimized for minimal cost of capture with 90% CO2 purity and recovery targets at an electricity cost of US$60/MWh producing US$54/ton capture cost.

Nic Renard | Ardent
 

Christine Parrish | Ardent