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AOD Digboi Refinery, Technology with Ecology at Heart
A OD Digboi R e f inery , T echnology with Ecology a t Heart

Giant Strides & Refinery Today New facilities include:
Step by Step, towards Excellence Þ Atmospheric & Vacuum Unit (AVU)

Þ Catalytic Reforming Unit (CRU)
Following nationalization, Indian Oil Corporation invested
signicantly to modernize the renery. Key updates include the Þ Captive Power Plant (CPP)
installation of a modern Efuent Treatment Plant (ETP) in 1989 Þ Delayed Coking Unit (DCU)
and several major units as part of the Digboi Renery
Modernization Project (DRMP), which commenced in 1987. Þ LPG Recovery Unit (LRU)
Þ Wax Hydro-nishing Unit (WHFU)

Þ Solvent Dewaxing Unit (SDU)
Delayed Coking Unit at Digboi Renery
Þ Hydrotreater Unit (HDT)

Þ Hydrogen Generation Unit (HGU)

Þ Motor Spirit Quality Upgradation Unit (MSQU)
Hydrogen Generation Unit at Digboi Renery

Catalytic Reforming Unit at Digboi Renery

Mesmerising view of Digboi Renery at dusk

IndianOil Reneries 13
12 IndianOil Reneries
12 IndianOil Reneries IndianOil Reneries 13