4th Stage

2nd 4th Stage Start-Up Complex of the III Workflow Stage (Completed in October 2015).

A diesel fuel hydro treating unit (the licensor and developer of the basic design is the Danish company, Haldor Topsoe) was built at the 2nd start-up complex of the III workflow stage in order to make the diesel quality comply with Euro-5 standard (with the sulfur content of no more than 10 ppm), to provide for the required freezing temperature with a possibility to produce winter and arctic diesel. Hydrogen generation unit with a gas treatment module and elementary sulfur recovery unit (with a granulation module) were built for the purpose of supporting operations of the hydro treating unit.Units:First diesel hydro treating unit with the nameplate capacity up to 3.0 MTPA.Hydrogen generation unit with gas amine treatment module, capacity - 25 thousand TPA.Sulphur recovery unit with a granulation module, capacity – 30 thousand TPA.Licensor and developer of the basic design is the Danish company, Haldor Topsoe.Crude unit AT-3 reconstruction for the purpose of total capacity increase up to 5 MTPA.LPG depot for transportation of commercial liquid motor gas Grade PA (Motor Propane) and PBA (motor propane-butane), produced at Crude unit AT-3. The LPG depot capacity makes 50 thousand TPA.Receipt and dispatch of dark oil products base with 6 km of extended lines. Overall receipt and dispatch overcame 300,000 cu.m.