Project Onsan Refinery Co-processing

Project Owner... S-Oil Corp.  
Project name Onsan Refinery Co-processing  
Status operational  
Startup 2024  
Geodata
Country South Korea  
City Ulsan  
Production
Type TRL 9 Commercial  
Technology Hydrotreatment  
Technology additional information Co-processing via regulatory sandbox approval, HEFA  
Raw Material oilcrops, oils and fats  
Input 1 Used cooking oil, palm byproducts, waste plastic pyrolysis oil  
Output 1 sustainable aviation fuels SAF (0 t/y )  
Output 2 renewable naphtha  
Output additional information capacity unknown; Bio-based petrochemical feedstocks such as bio-polypropylene also produced  
Additional Information
Partners Samsung C&T, Dansuk  
Technology Brief Co-processing of waste plastics and bio-oils into existing crude distillation/refining lines.  
Additional Information ISCC CORSIA, ISCC EU, and ISCC PLUS certified.  
Contact Information
https://www.s-oil.com/en/m/relation/NewsView.aspx?BoardDataIndex=14976  
Last Update: 2026-09-11 09:46:56