Geismar Ammonia

Denbury started transporting carbon captured from Nutrient’s Geismar facilities in 2013. Nutrien evaluated a large-scale carbon capture and sequestration component for a proposed clean ammonia facility at its Geismar, Louisiana site. The clean ammonia plant was envisioned to produce around 1.2 million metric tons of ammonia per year and to capture at least 90 percent of its CO₂ emissions, which would equate to permanently sequestering about 1.8 million metric tons of CO₂ annually using Denbury Carbon Solutions’ transport and storage infrastructure in the Gulf Coast region. The plan would have leveraged auto-thermal reforming technology to reduce emissions and Denbury’s existing pipeline and sequestration sites for CO₂ containment. A term sheet was signed under which Nutrien would pay Denbury to transport and permanently store the captured CO₂ under long-term agreement. The project progressed through front-end engineering design studies with an anticipated final investment decision in 2023 and potential operations by 2027 if approved. The integrated carbon capture aspect focused on capturing concentrated process CO₂ from the ammonia synthesis loops and reforming units for transport to permanent geologic storage, but the broader clean ammonia buildout tied to this CCS evaluation was not advanced to construction following the FEED phase and has since been shelved.