Environment  [ Return towards  Innovation  ]

To limit nitrous oxide emissions, the research teams design burners that use oxycombustion. These burners already equip different industrial furnaces that produce glass, for example.

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Over the longer term, the Group’s teams contribute to the development of processes for CO₂ capture and storage. This means designing oxycombustion recycling and purification technologies to produce fumes that are more concentrated in CO₂.

These technologies will enable CO₂ to be more efficiently captured in order to bury it in the subsoil. They are being tested in pilot projects to generate power using coal or to limit emissions  from steel mills.

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The Group’s researchers are improving processes for producing hydrogen, an essential molecule for removing sulfur from fuels. In this way, they help limit sulfur oxide emissions that are responsible for acid rain and respiratory problems.

Another development from the Group’s R&D teams: ASPAL Cool. The removal of tartar from cooling towers generally requires an acid, rejecting harmful emissions. ASPAL Cool uses CO₂ instead of the acid, suppressing acid emissions.