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Table 1

Characteristics of membrane systems employed at Sulaibiya water reclamation plant

Membrane systemMembrane type (manufacturer; catalogue no.)Membrane configurationMembrane arrangementMembrane area
UF Polyvinyldene fluoride; (Norit X-Flow, The Netherlands; XIGA SXL-225) Capillary hydrophilic hollow fibers Membranes are packed in 20 × 152 cm membrane elements (35 m2/element), 4 membrane elements are placed inside a membrane housing. There are 68 skids, each with 32 membrane housings for a total of 8,704 membrane elements (4 × 32 × 68) 8,704 × 35 m2 = 304,640 m2 
RO Polyamide composite (Toray, USA; TML 20–400) Spiral wound Membrane modules of 42 identical skids in a 4:2:1 array of modules. Each module contains about 504 RO elements (72 pressure vessels × 7 RO element/vessel) for a total of 21,168 membrane elements (7 × 72 × 42) 21,168 × 37 m2 = 783,216 m2 
Membrane systemMembrane type (manufacturer; catalogue no.)Membrane configurationMembrane arrangementMembrane area
UF Polyvinyldene fluoride; (Norit X-Flow, The Netherlands; XIGA SXL-225) Capillary hydrophilic hollow fibers Membranes are packed in 20 × 152 cm membrane elements (35 m2/element), 4 membrane elements are placed inside a membrane housing. There are 68 skids, each with 32 membrane housings for a total of 8,704 membrane elements (4 × 32 × 68) 8,704 × 35 m2 = 304,640 m2 
RO Polyamide composite (Toray, USA; TML 20–400) Spiral wound Membrane modules of 42 identical skids in a 4:2:1 array of modules. Each module contains about 504 RO elements (72 pressure vessels × 7 RO element/vessel) for a total of 21,168 membrane elements (7 × 72 × 42) 21,168 × 37 m2 = 783,216 m2 
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