South Arne

Client: Amerada Hess

Process: Sulphate Removal

Country: Denmark

Contract Description: Turnkey supply of membrane plant for sulphate removal

Contract Date: 2000

Contract Completion Date: 2001 (Operating since 2001)

Capacity: 3 x 40,000 barrels/day (Upgraded to combined capacity of 135,000 BPD)

Sea Water Conversion: 75%

Sea Water Feed Quality: 35,000 mg/l (tds)

Fresh Water Output Quality: 40 mg/l sulphate

Project Description:

Turnkey supply and initial operation of the largest sulphate removal plant in the North Sea oil industry, and the first installation of this technology in the Danish Sector. Phase 1 of 40,000bpd was delivered in 17 weeks from receipt of order.

Seawater is treated by a media filter package prior to the membrane arrays using Dow Filmtec SR90-400 membranes. Pumps, Valves and Zeron 100 Super Duplex piping were all provided by Weir Group companies.