Veolia RO Membranes | Dairy DL Series | DL3840C30

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Description

The D-Series family of proprietary thin-film nanofiltration membrane elements is characterized by an approximate molecular weight cut-off of 150 – 300 Dalton for uncharged organic molecules. Divalent and multivalent anions are preferentially rejected by the membrane while monovalent ion rejection is dependent upon feed concentration and composition. Since monovalent ions pass through the membrane, they do not contribute to the osmotic pressure, thus enabling D-Series nanofiltration membrane systems to operate at feed pressures below those of RO systems.

The DL membrane has a minimum rejection of 96% on 2,000ppm MgSO4 at 25°C and 110psi operating pressure.

The Dairy Processing DL Elements are typically used in food related processes requiring stringent sanitary procedures. Applications include lactose desalting, deacidification and demineralization of whey or UF permeate.

These elements feature a Durasan* Cage patented outer wrap, a selection of feed spacers, and polysulfone parts.

The Dairy DL elements comply with:
• FDA Regulations relevant sections of 21CFR
• EU Framework 1935/2004/EC
• Halal and Kosher certifications

Typical Operating Pressure: 70-400psi (483-2,757kPa)
Typical Operating Flux: 5-20 GFD (8–34 LMH)
Clean Water Flux (CWF) (1): 18 GFD (30 LMH) @ 110psi
Maximum Operating Pressure: 600psi (4,137kPa)
Maximum Temperature: 122°F (50°C)
pH Range: 3.0-9.0
Maximum Pressure Drop:

Over an element: 15psi (103kPa)
Per housing: 60psi (414kPa)

Chlorine Tolerance: 500 ppm-hours dechlorination recommended

Specifications

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Specifications

Manufacturer Veolia
Series Dairy DL Series
Model Number DAIRY DL3840C30
Part Number 1207023
Description Spacer Mil (mm): 30 (0.76)
Active Area Ft2 (m2): 77 (7.2)
Shipping Weight 7 Lbs (3.2 KG)
Overall Length 38.75 IN (98.4 CM)
Overall Height 3.79 IN (9.6 CM)
Notes CENTRAL TUBE: 0.833 IN (2.12 CM)

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