Solvay to Slash Scope 3 Emissions at Soda Ash and Bicarbonate Production Unit

Decarbonization Solvay to Slash Scope 3 Emissions at Soda Ash and Bicarbonate Production Unit

2025-07-28 Source: Press release Solvay 2 min Reading Time

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Solvay has incorporated biogenic CO₂ into its soda ash and bicarbonate production plant in Dombasle, France with an aim to reduce the unit’s scope 3 greenhouse gas emissions. The move is expected to reduce 4,000 tons of CO₂ emissions annually.

Air Products is supporting Solvay’s shift toward a more sustainable and reliable CO₂ supply. (Source: Solvay) — Air Products is supporting Solvay’s shift toward a more sustainable and reliable CO₂ supply.
(Source: Solvay)

Brussels/Belgium – Solvay has taken a new step to reduce scope 3 greenhouse gas emissions by incorporating biogenic CO₂ - provided by Air Products - into its soda ash and bicarbonate production plant in Dombasle, France. The initiative is expected to result in a reduction of 4,000 tons of CO₂ emissions annually.

Air Products is supporting Solvay’s shift toward a more sustainable and reliable CO₂ supply. With traditional ammonia-based sources becoming more challenging due to energy market fluctuations and decarbonization efforts, the move to biogenic alternatives offers both environmental benefits and improved supply reliability.

About half of the Dombasle plant's purchased CO₂ needs are now met by regionally sourced, renewable CO₂, derived from bioethanol fermentation byproducts. This transition not only supports Solvay’s climate objectives but also strengthens supply security by diversifying sourcing away from ammonia-linked production.

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“This collaboration with Air Products is a concrete step in our journey to reduce scope 3 emissions and secure more sustainable operations,” said Anton Daniëls, Solvay’s Chief Procurement Officer. “By integrating biogenic CO₂ into our processes, we are making our supply chain more robust and environmentally responsible.”

“We’re proud to support Solvay in advancing sustainable manufacturing through the use of the biogenic CO₂ we supply. This collaboration reflects our commitment to enabling low-carbon solutions and building resilient supply chains for our customers. By leveraging sustainable CO₂ sources, we’re not only reducing our customers’ emissions but also helping them transition to more sustainable and reliable operations,” said Frank Peeters, European Strategic Account Manager at Air Products.

The Dombasle initiative follows the successful implementation of biogenic CO₂ sourcing at Solvay’s La Rochelle plant and is now being extended to the Rosignano site in Italy. These efforts reflect Solvay’s broader strategy to decarbonize its operations.

This partnership contributes to Solvay’s ambition to reduce scope 3 emissions by 20 % by 2030 and highlights the role of strategic sourcing in advancing sustainable industrial practices.

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