The early phase of the Esfahan Refinery RHU project will be put into operation in ۲۰۲۶ the RHU project is known by its original name as the Fuel Oil Upgrade Project because the ultimate goal of this project is to convert fuel oil into valuable, standardized products that are free of any type of sulfur. ۱۴۰۴-۰۴-۲۹ ۱۴:۲۵