Abadan Refinery Upgrade & Modernization Project

The Abadan Refinery Upgrade & Modernization Project is a landmark initiative to revitalize one of the world’s oldest and largest refineries. Located in Abadan, Iran, this comprehensive renovation aims to enhance processing capacity, improve product quality to Euro 5 standards, and increase operational efficiency. The project is critical for meeting Iran’s domestic fuel demand and reducing environmental impact.
HomeProjectsAbadan Refinery Upgrade & Modernization Project
Sabz Engineering Co. Scope

SEC Scope

  • Design + Material take-off + Fabrication Drawing Preparation for 28 Units Towers                             480 Tons
  • Design + Material take-off + Fabrication Drawing Preparation for 72 Units Pressure Vessels               680 Tons
  • Design + Material take-off + Fabrication Drawing Preparation for 8 Units Storage Tanks                  940 Tons
Project Details

Project Details

Licensed Processes:

  • UOP FCC Naphtha Hydrotreatingfor sulfur reduction
  • Axens Prime-G+™for desulfurization
  • Topsoe Hydroprocessingcatalysts for diesel upgrading
  • BASF Refinery Catalystsfor catalytic reforming

Key Upgradation Units:

  • Crude Distillation Unit (CDU) Revamp
  • Vacuum Distillation Unit (VDU) Expansion
  • Hydrotreating Units (Naphtha, Diesel)
  • Sulfur Recovery Unit (SRU) using Claus Process

Isomerization Unit for light naphtha upgrading

 

Key Specifications

Capacity & Output:

  • Crude Processing:360,000 barrels per day (bpd)
  • Euro 5 Gasoline Production:+12 million liters/day
  • Ultra-Low Sulfur Diesel (ULSD):+8 million liters/day
  • Sulfur Recovery:9% efficiency

Process Conditions:

  • Hydrotreating Reactors:340-380°C, 50-70 bar
  • FCC Unit:530-550°C, 2-3 bar
  • Sulfur Recovery:280-320°C, 1-1.5 bar
  •  

Operational Challenges

Brownfield Constraints: Integration with existing 100-year-old infrastructure
Materials Selection: Handling sour crude with high sulfur content (>2.5%)
Emission Control: Meeting stringent environmental regulations
Heat Exchanger Fouling: Managing crude preheat train efficiency

Strategic Importance

  • Eliminates 25% of Iran’s gasoline imports
  • Reduces environmental pollutionthrough ultra-low sulfur fuels
  • Preserves historical refinerywhile modernizing operations
  • Creates technical expertisein refinery revamp projects

Engineering Opportunities for Sabz Engineering Co.

Detailed Engineering:

  • Pressure vessel design for hydrotreating reactors
  • Pipe stress analysis for high-temperature lines
  • Foundation design for new compressor packages

Software Solutions:

  • Refinery Energy Optimization Software
  • Corrosion Monitoring Systemsfor sour service
  • Digital Twinfor refinery operations

Project Management:

  • Phased construction planningto maintain refinery operations
  • Vendor coordinationfor international equipment procurement
  • Risk managementfor brownfield integration

Sustainability Features

☆ Carbon Footprint Reduction: 30% lower CO2 emissions per barrel
☆ Water Recycling: 80% wastewater reuse
☆ Zero Gas Flaring implementation
☆ Energy Recovery: 40 MW from waste heat

Project Economics

Parameter

Value

CAPEX

$2.8 billion

Duration

5 years (phased implementation)

ROI

22% (considering import substitution)

Payback Period

4.5 years