Over the last decade TotalEnergies developed a new gas treatment process by taking advantage of its extensive know-how and experience in sour gas processing. This new solvent technology relies on a hybrid solvent formulation using a mixture of amines and a physical compound to simultaneously remove acid gases and mercaptans. Additionally, this “all in one” solvent also simplifies the gas treatment chain, requires less energy and thus reduces the carbon intensity of the plant.
This technology has first been demonstrated and implemented in existing units of the Lacq plant since 2007. The last formulation based on MethylDiEthanolamine, Piperazine and a physical compound has been in operation in the SOBEGI industrial complex for 6 years.
Today AXENS is the exclusive Licensor of this new technology and has granted several licenses in the Middle East and North America. Recently the first AXENS’ commercial units have been successfully started-up.
This paper presents the benefits of the HySWEET® technology application on sour gas fields, relying on start-up and operational results.
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