Abadan Refinery Upgrade & Modernization Project
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
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  | 
