Axens to supply technologies for S-OIL’s RUCP

Axens has been awarded several contracts for the expansion of the existing residue conversion facilities at S-Oil’s Onsan refinery in South Korea.

The Residue Upgrading Complex Project (RUCP) is aimed at reducing fuel oil production while producing propylene through the conversion of atmospheric residue and will include the world’s first commercial High Severity FCC unit (HS-FCC™).

Axens has supplied a number of technologies for the RUCP. This includes an atmospheric residue desulphurisation unit (Hyvahl™) with a Permutable Reactor System (PRS) for the production of diesel and improvement of residue quality and a High Severity FCC unit (HS-FCC™) for the conversion of the hydrotreated residue produced by the Hyvahl unit. The HS-FCC technology bridges the refining and petrochemical gap by maximising propylene production using an innovative down flow reactor. Axens also supplied an unsaturated LPG extractive sweetening unit (Sulfrex™) for the treatment of the LPG cut originating from the HS-FCC unit upstream of polymer-grade propylene recovery process (PRU).

Axens will provide technology licenses, basic engineering, catalysts, adsorbents and proprietary equipment for the complex.

In addition, Axens has supplied a selective desulphurisation unit (Prime-G+™) for the treatment of the HS-FCC gasoline and a C4-stream processing section including a C4 selective hydrogenation unit, a MTBE unit, a super-fractionator and a butane isomerization unit.

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