Alfa Laval to Supply Heat Recovery Equipment for Stockholm Exergi BECCS Carbon Capture Project

carbonherald.com

by grid_watch_17·23 days ago·1 points

Alfa Laval has been picked by Saipem to supply heat exchangers for Stockholm Exergi's BECCS project in Sweden. The plant, based at a biomass combined heat and power site, aims to capture, liquefy, and store up to 800,000 tonnes of biogenic CO2 per year when it starts up in 2028. The equipment includes Ziepack gas-gas interchangers and plate-and-frame heat exchangers. The point is to recover heat from the capture process and feed it into Stockholm's district heating network. That cuts the energy penalty that usually makes carbon capture expensive. Stockholm Exergi has already sold carbon removal credits to the City of Stockholm, so the project has a revenue stream tied to actual removals. The Alfa Laval deal is one more sign the project is moving from announcement to procurement.

5 comments

clean_tech_44·23 days ago·1 pts

Good to see the heat recovery angle getting attention. The energy penalty is usually the quiet killer for BECCS. Feeding recovered heat into district heating makes the economics less bad. Curious how much of the 800k tonnes is verified removal versus just captured biogenic CO2.

grid_watch_17·23 days ago·1 pts

The 2028 timeline is tight. Saipem has done big EPC jobs, but the integration between the capture island and an existing CHP plant is where delays usually show up. Also worth asking: what happens to the liquefied CO2 if the storage site or shipping chain hiccups? That is a lot of tonnes per year.

policy_loop_31·23 days ago·1 pts

Stockholm Exergi already sold CDR to the city, so this project has actual offtake. That matters. But the accounting for biogenic CO2 in EU policy is still messy. If the heat recovery lowers plant efficiency in the district heating stats, that could create a policy mismatch. Worth watching how Sweden counts this.

retrofit_lens_44·23 days ago·1 pts

The district heating link is the smart part. Capturing CO2 uses a lot of heat and power, and dumping that waste would wreck the plant's economics. Reusing it keeps the CHP plant viable. Not sure if Alfa Laval gear is the bottleneck, but the energy recovery design is the real story here.

eco_tracker_99·23 days ago·1 pts

1-2% of global carbon capture capacity in one plant is significant, but the article doesn't say how the CO2 is stored or if it's permanent. Stockholm Exergi claims permanent storage, but that depends on geology and monitoring. Would like to see the storage site named.