Multibore® Membrane

Summary

Product identification

The product described is the dizzer® XL series of Ultrafiltration modules featuring Multibore® membranes. Two types are detailed: Multibore® 0.9 and Multibore® 1.5 membranes.

Membrane data

Multibore® 0.9 membrane

• Capillaries per fibre: 7
• Inner diameter: 0.9 mm
• Outer diameter: 4.0 mm
• Pore size: approx. 0.02 µm
• Material: PESM

Multibore® 1.5 membrane

• Capillaries per fibre: 7
• Inner diameter: 1.5 mm
• Outer diameter: 6.0 mm
• Pore size: approx. 0.02 µm
• Material: PESM

Operating limits

Cleaning/disinfection chemicals (Multibore® 0.9 and 1.5 membrane)

• Free chlorine:
  • max. 200 ppm
  • max. 200,000 ppm x h (at pH ≥ 9.5)
• H₂O₂ (Hydrogen peroxide): max. 500 ppm
• Caustic Soda pH: max. 13
• Acid pH: min. 1

Flux rate

• Filtration: 60 – 180 l/(m²h) (35 – 105 gfd)
• Backwash standard: 230 l/(m²h) (135 gfd)
• Backwash range: 230 – 300 l/(m²h) (135 – 175 gfd)

Transmembrane pressure (TMP)

• Filtration: 0.1 – 1.5 bar (1.5 – 20 psi)
• Backwash standard: 0.3 – 3.0 bar (5 – 40 psi)

Burst pressure

• Membrane: > 10 bar (> 150 psi)

Specifications apply to common operating conditions. Modules are to be operated in accordance with the relevant “Installation, Operation and Maintenance Guidelines“.

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Disclaimer: This summary is based on extracted text and may not include all figures, footnotes, or the latest revisions from the OEM PDF. Contractual data must match the specific OEM PDF revision used on the project.

Official datasheet (PDF)

PDF datasheet