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Microflow XL Crossflow Microfiltration Systems

Smart Purification Systems for the Food and Dairy Industry

The Microflow systems are specifically designed to meet the needs and requirements of a dairy ingredient purifier and food ingredient purifier in modern production plants. Clarification is achieved without the need for filter aids, filter press or centrifuge. The fully automated Microflow system provides an environmentally friendly solution for the production of high clarity products with longer shelf life, and a reliable microbial control of spoilage or pathogenic microorganisms.

The crossflow microfiltration system utilizes Pall's proven high area, hollow fiber membranes. These modules have a unique mechanical strength and excellent chemical resistance, which allow high productivity and repeated exposure to aggressive cleaning regimes. When coupled with the user-friendly software complete with cycle programming and a compact footprint, the Microflow XL series is the smart solution for reliable food dairy ingredient purification.

Cost Saving Benefits

With Pall's extensive experience in crossflow filtration of food and dairy streams and dedication to simplified process design and control logic, the Microflow XL system incorporates unique features which enable food and dairy plants to perform clarification at low operating costs while providing constant and high filtrate quality.

These include:
  • PVDF membranes with high mechanical strength for longer service life
  • High area, high flow modules for more compact and more economical systems
  • Backpulse capability for increased system productivity
  • Hollow fiber membrane with 1.4 mm open channel for optimized cleaning
  • Fully automated cycle programming for unattended operation and reduced labour and downtime
  • Transparent module housing to confirm filtrate quality and enhance troubleshooting capabilities
  • On board tanks, for easy cleaning, concentration and integration
  • User friendly interface and automated chemical dosing for reliable operation
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Smart Purification Systems for the Food and Dairy Industry

The Microflow systems are specifically designed to meet the needs and requirements of a dairy ingredient purifier and food ingredient purifier in modern production plants. Clarification is achieved without the need for filter aids, filter press or centrifuge. The fully automated Microflow system provides an environmentally friendly solution for the production of high clarity products with longer shelf life, and a reliable microbial control of spoilage or pathogenic microorganisms.

The crossflow microfiltration system utilizes Pall's proven high area, hollow fiber membranes. These modules have a unique mechanical strength and excellent chemical resistance, which allow high productivity and repeated exposure to aggressive cleaning regimes. When coupled with the user-friendly software complete with cycle programming and a compact footprint, the Microflow XL series is the smart solution for reliable food dairy ingredient purification.

Cost Saving Benefits

With Pall's extensive experience in crossflow filtration of food and dairy streams and dedication to simplified process design and control logic, the Microflow XL system incorporates unique features which enable food and dairy plants to perform clarification at low operating costs while providing constant and high filtrate quality.

These include:
  • PVDF membranes with high mechanical strength for longer service life
  • High area, high flow modules for more compact and more economical systems
  • Backpulse capability for increased system productivity
  • Hollow fiber membrane with 1.4 mm open channel for optimized cleaning
  • Fully automated cycle programming for unattended operation and reduced labour and downtime
  • Transparent module housing to confirm filtrate quality and enhance troubleshooting capabilities
  • On board tanks, for easy cleaning, concentration and integration
  • User friendly interface and automated chemical dosing for reliable operation

Microflow XL Membranes

The Microflow XL modules incorporate Pall's proven symmetric hollow fiber membranes. The larger diameter, high flow modules with 21.5 m2 of filter area, have at least twice the filter area of typical competitive hollow fiber modules.
The module components include:
  • Membrane: PVDF Epoxy resin potting
  • Sleeve: Polypropylene
  • Housing: Transparent polysulphone
  • Seals: Ethylene Propylene copolymer

Microflow XL System Components

The Microflow XL systems are fully automated, modular systems available with 2 up to 8 crossflow modules. Metal wetted parts can be specified in 304L or 316L stainless steel.

Piping manifold, membranes, pumps and instruments are mounted on a mobile frame, which includes the following :
  • Stainless steel pre-filter screen for large particles
  • On board concentration / cleaning tank
  • Feed pump
  • Circulation pump
  • Reverse filtration (back flush) pump
  • Magnetic flow meter with batch control
  • CIP function with 1 μm water filter and temperature control
  • Automatic chemical dosing
  • Spray balls in tanks, piping and pneumatic valves for CIP
  • Touch screen PLC
  • Pressure, temperature and dry run protection

Microflow XL Options

The following options are available for additional supply :
  • Low Concentration Volume (LCV) feature for further reduction of concentrate volume
  • Dummy modules in 304L or 316L stainless steel, for systems with more than 3 modules
  • Frequency inverter on feed pump with backpressure valve
  • 304L or 316L stainless steel pump covers
  • Adaptation to modules with 2.6 mm open channel hollow fibers

Compliance

The Microflow XL systems are manufactured in accordance with European Pressure Directives and each system is supplied with a CE mark.

Various Microflow modules have been qualified for compliance to specific regulatory standards for products coming into contact with foodstuffs. Please contact Pall for details.

Operating Conditions

  • Inlet Pressure : 0.5 to 3.5 bar (7 to 50 psi)
  • Temperature : Typically 0 to 45 °C (32 to 113 °F)
  • Maximum temperature for cleaning : 65 °C (150 °F)
Please consult Pall for your specific application.

Standard Filtration Skid Specifications

 
Model Characteristics Microflow XL
XL2 XL3 XL4 XL5 XL6 XL8
# of modules 2 3 4 5 6 8
Filtration surface area 43 m2 (463 ft2) 64.5 m2 (694 ft2) 86 m2 (926 ft2) 107.5 m2 (1157 ft2) 129 m2 (1389 ft2) 172 m2 (1851 ft2)
Length 2.4 m (7.87 ft) 2.4 m (7.87 ft) 2.7 m (8.86 ft) 3.0 m (9.84 ft) 3.0 m (9.84 ft) 3.3 m (10.83 ft)
Width 1.2 m (3.94 ft) 1.2 m (3.94 ft) 1.2 m (3.94 ft) 1.2 m (3.94 ft) 1.2 m (3.94 ft) 1.2 m (3.94 ft)
Height 2.15 m (7.05 ft) 2.15 m (7.05 ft) 2.15 m (7.05 ft) 2.15 m (7.05 ft) 2.30 m (7.55 ft) 2.30 m (7.55 ft)
Weight (empty) 1310 kg (3946 lb) 1420 kg (3130 lb) 1550 kg (3417 lb) 1590 kg (3505 lb) 1690 kg (3726 lb) 1790 kg (3946 lb)
Feed tank 320 l (84.5 gal) 320 l (84.5 gal) 530 l (140 gal) 530 l (140 gal) 530 l (140 gal) 530 l (140 gal)
Filtrate tank 60 l (15.9 gal) 60 l (15.9 gal) 110 l (29.1 gal) 110 l (29.1 gal) 120 l (31.7 gal) 120 l (31.7 gal)
Feed inlet DN 50 DN 50 DN 50 DN 50 DN 65 DN 65
Filtrate outlet DN 50 DN 50 DN 50 DN 50 DN 65 DN 65
Concentrate outlet DN 50 DN 50 DN 50 DN 50 DN 50 DN 50
Water inlets DN 25 DN 25 DN 25 DN 25 DN 25 DN 25
Chemicals inlet DN 15 DN 15 DN 15 DN 15 DN 15 DN 15
Compressed air inlet
(instrument quality)		 Pneumatic hose 10 x 8 mm or 1⁄4 in. internal thread Pneumatic hose
10 x 8 mm or 1⁄4 in.
internal thread		 Pneumatic hose
10 x 8 mm or 1⁄4 in.
internal thread		 Pneumatic hose
10 x 8 mm or 1⁄4 in.
internal thread		 Pneumatic hose
10 x 8 mm or 1⁄4 in.
internal thread		 Pneumatic hose
10 x 8 mm or 1⁄4 in.
internal thread
Wattage 9 kWh 11 kWh 13.5 kWh 16 kWh 18 kWh 18 kWh
 
Systems

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