Oliver Mercer North Dunn – FRO Pretreatment Plant

After a competitive bid Wigen Water was awarded the project with Toray UF Modules


Oliver Mercer North Dunn – FRO Pretreatment Plant

Operation Since: 2012/04

Location: 20 km northwest from Beulah, ND, USA

Plant Capacity: 22,918 m3/d (6.1 MGD)

Application: Drinking Water

Engineer: Bartlett & West

O & M: Wigen Water Technologies

Other Remark: After a competitive bid Wigen Water was awarded the

project with Toray UF Modules

Pre-treatment: 200 micron mesh prefilter Process flow 

Membrane Model: 1st Stage HFS-2020 (52 pcs. x 5 trains = 260 pcs.) 2nd Stage HFS-2020 (16 pcs. x 2 trains = 32 pcs.)

Feed Water Quality: Feed source is Lake Sakakawea with feed temperatures 1-20 deg C, turbidity 1-10 NTU and TOC from 3.5 – 4.0 mg/L.

Required Quality: UF Filtrate turbidity is always < 0.1 NTU and normally < 0.02 NTU

Required Quality: UF Filtrate turbidity is always < 0.1 NTU and normally < 0.02 NTU

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