Abadan Refinery water Treatment Plant and Cooling water System and Auxiliaries

Contract Subject: Change of Abadan Refinery Cooling Water System from once through to closed circuit & Demineralization water Treatment Plant

Scope of Works:

In May 2008 OMRAB in JV was awarded a contract for Engineering, Procurement and Construction of Abadan Refinery Water Treatment Plant and Cooling water System and Auxiliaries.

 This project accomplished during 4 years and includes the units below:
Cooling Tower System:
- Induced Draft Counter Flow Cooling Tower Capacity: 36,000 m3/h (12 Cells)
- Pump Station: 9 Pumps (4 Electric Driven +5 Steam Driven, 6000m3/h each pump)

Cooling Tower Structure:
- 240 m *21m *20m Concrete Construction
- More than 4500 m3 Concrete Casting
- 240 Pre-Cast Beams to support drift eliminators

Clarifiers Unit:
UPFLOW Rectangular Clarifiers, Capacity: 5000 m3/h
- 4 Rectangular Clarifiers (each 1250 m3/h)
- Pump Station: 6 Pumps (each 1000m3/h, head=56m)

Clarifier Structure:
- 4 Rectangular Basin: 74m*12m*4.5m
- More than 6000m3 Concrete Casting
- Sedimentation Bridge Structure

Demineralized Water Unit:
- RO & ION Exchange Method
- Capacity: 720 m3/h
- Pre-Treatment: Micro Filtration & Ultra Filtration
- Treatment: Reverse Osmosis (RO) – 2 Stages
- Post Treatment: ION Exchange Mixed Bed
- Pump Station of RO: 12 Electro Pumps

Demineralized Water Unit Piping Work:
- About 49,000 dia-inch A/G piping (Stainless Steel Pipes & Fittings)
- About 5200 dia-inch A/G piping (Non-Metal Pipes & Fittings)

Water Reservoir Tanks:
- 8 Vertical Atmospheric Tank, 10,000 m3 Capacity (each tank)
- 2*10,000m3 Clarified Water Tank
- 4*10,000m3 Fire Water Tank
- 2*10,000m3 Demineralized Water Tank

Cooling Water Network:
- Over 16,000 m Cooling Water Lines
- Size 12 inch to 72 inch Pipe line
- Over 120,000 dia-inch Piping (AG & UG)

Fire Water Pump Station:
- 3 main Pump (340 m3/h) includes 2 Diesel Driven Pump & 1 Electric Driven Pump
- 2 in-line Jockey Pumps (20 m3/h)