Veolia’s Dairy AF Series utilizes a high performance reverse osmosis membrane to maximize the concentration and dewatering process with superior rejection of dissolved solids and low molecular weight organic constituents, such as lactose, at operating pressures up to 800 psi. The A-Series membrane has an average stabilized rejection of 99.5% on 2,000 ppm NaCl at 25°C (77°F) and 225 psi operating pressure.
The Dairy AF Series is specifically designed for sanitary applications within the Food & Beverage and Dairy Industry. Applications include lactose concentration, whey and milk protein concentration, sugar and juice concentration, and polishing of permeates for enhanced water recovery and biological oxygen demand/chemical oxygen demand (BOD/COD) reduction for water reuse.
The Dairy AF elements feature a Durasan Cage outer wrap, standard feed spacers, and polysulfone parts. These elements comply with the USDA guidelines for the sanitary design and fabrication of dairy processing equipment and applicable 3-A sanitary standards.
Veolia’s Dairy AF Series of elements comply with:
• US FDA 21 CFR (Subchapter B, Parts 175, 176, 177, 178, and 182)
• EU Framework 1935/2004/EC and 10/2011
• Kosher and Halal certifications
• BSE/TSE guidance EMEA/410/1 – Rev 2; Section 3.1
Typical Operating Pressure: 200 – 500 psi (1,379 – 3,447 kPa)
Typical Operating Flux: 5 – 20 GFD (8 – 34 LMH)
Clean Water Flux (CWF) (2): 14 GFD (24 LMH) @ 225 psi
Maximum Operating Pressure: 800 psi (5,516 kPa)
Maximum Permeate Pressure: (3) 60 psi (413 kPa)
Maximum Temperature: 122°F (50°C)
pH Range: (4) 2.0 – 11.0
Recommended Pressure Drop:
Over an element: 12 psi (83 kPa)
Maximum Pressure Drop:
Over an element: 15 psi (103 kPa)
Per housing: 60 psi (414 kPa)
Chlorine Tolerance: 1000 ppm-hours dechlorination recommended