Membralox® Ceramic Membranes and Modules product photo Primary L

Membralox® Ceramic Membranes and Modules

Pall Membralox ceramic membranes are asymmetric multi-channel membranes composed of a porous alumina support and a filtering layer (alumina, zirconia, titania).

High compactness of the multichannel membrane combined with high permeability allows the treatement of large volumes with high throughput.

The Membralox GP ceramic membranes range with longitudinal permeability gradient, ensure an homogeneous and calibrated flux along the flow channel, thus optimum utilization of membrane surface within a stable microfiltration regime.

Key Features

  • High flux
  • Wide chemical and pH (0-14) compatibility
  • Excellent thermal stability
  • Long term and reliable performance
  • Sanitizable and sterilizable
  • Ability to withstand high frequency backpulsing cycles
  • 100% bubble point integrity tested during manufacturing
  • Suited for high fouling fluids, viscous products, high concentration factors, fine filtration, diafiltration, automatic and easy cleaning in place (CIP)
  • Meets the requirements for food usage1

Pall Membralox Membranes Quality

  • Unique ceramic support of the 12 μm pore size allows the highest flux.
  • Patented alumina end-sealing provides superior resistance to corrosion and cleaning cycles.
  • High homogeneity and quality of the filtration layers for optimum filtration performances and selectivity.
  • Exceptional mechanical resistance for long service life

Widest Separation Range

The exceptional structure of Membralox filtering elements has enabled the development of the widest range of micro and ultrafiltration ceramic membranes. A complete range of modules helps for scale-up from laboratory separations to full size industrial needs.

Cost Effective Separations

The superior characteristics of Pall Membralox ceramic membranes provide economical solutions for high added value macro-molecule concentration, effluent recycling or reduction and difficult fluid clarification.

Membralox filtration modules are the key element in process reliability.


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Description

Pall Membralox ceramic membranes are asymmetric multi-channel membranes composed of a porous alumina support and a filtering layer (alumina, zirconia, titania).

High compactness of the multichannel membrane combined with high permeability allows the treatement of large volumes with high throughput.

The Membralox GP ceramic membranes range with longitudinal permeability gradient, ensure an homogeneous and calibrated flux along the flow channel, thus optimum utilization of membrane surface within a stable microfiltration regime.

Key Features

  • High flux
  • Wide chemical and pH (0-14) compatibility
  • Excellent thermal stability
  • Long term and reliable performance
  • Sanitizable and sterilizable
  • Ability to withstand high frequency backpulsing cycles
  • 100% bubble point integrity tested during manufacturing
  • Suited for high fouling fluids, viscous products, high concentration factors, fine filtration, diafiltration, automatic and easy cleaning in place (CIP)
  • Meets the requirements for food usage1

Pall Membralox Membranes Quality

  • Unique ceramic support of the 12 μm pore size allows the highest flux.
  • Patented alumina end-sealing provides superior resistance to corrosion and cleaning cycles.
  • High homogeneity and quality of the filtration layers for optimum filtration performances and selectivity.
  • Exceptional mechanical resistance for long service life

Widest Separation Range

The exceptional structure of Membralox filtering elements has enabled the development of the widest range of micro and ultrafiltration ceramic membranes. A complete range of modules helps for scale-up from laboratory separations to full size industrial needs.

Cost Effective Separations

The superior characteristics of Pall Membralox ceramic membranes provide economical solutions for high added value macro-molecule concentration, effluent recycling or reduction and difficult fluid clarification.

Membralox filtration modules are the key element in process reliability.

Specifications

EP3730 - EP1940 - EP3740 - EP1960

Membralox ceramic membranes

  EP37302 EP3740 EP19402 EP1960
Channel Diameter (mm) 3 4 4 6
Number of channels 37 37 19 19
Filtration surface area (m2) 0.35 0.47 0.24 0.36
Length (mm) 1020 1020 1020 1020
The 12 μm pore size Membralox standard membranes support is made up of ultrapure α-alumina.

Membralox membrane pore sizes

Microfiltration 1.42, 0.82, 0.5, 0.2, 0.12 μm α-alumina
Ultrafiltration 100, 50, 20 nm zirconia
Other pore sizes and surface modifications on request.
Some pore sizes are not available on all support geometries.
Please contact Pall for further information

Operating limits of Membralox modules in liquids filtration3

Temperature 95 ºC (203 °F)
Pressure 10 bar 4 (145.1 psi)

Membralox HCB modules

Module
Type
No. of
Membranes
Membrane
Type
Surface
Area (m2)
Retentate Connections (RC)
Permeate Connections (PC)
M-19P3740 19 EP3740 8.87 RC: Weldable flanges/O-ring gaskets
M-19P1960   EP1960 6.84 PC: Weldable flanges/ flat gaskets
M-36P3740 36 EP3740 16.81 RC: Weldable flanges/O-ring gaskets
M-36P1960   EP1960 12.96 PC: Weldable flanges/ flat gaskets
M-60P3730 60 EP3730 21 RC: Weldable flanges/O-ring gaskets
M-60P1940   EP1940 14.40 PC: Weldable flanges/ flat gaskets
Construction of wetted materials : 316L SS, ceramic, PTFE

Membralox HCS 3-A modules

Module
Type
No. of
Membranes
Membrane
Type
Surface
Area (m2)
Retentate Connections (RC)
Permeate Connections (PC)
M-36P3740 36 EP3740 16.81 RC: Weldable flanges/O-ring gaskets
M-36P1960   EP1960 13 PC: Weldable ferrules / 3-A gaskets
M-60P3730 60 EP3730 21 RC: Weldable flanges/O-ring gaskets
M-60P1940   EP1940 14.40 PC: Weldable ferrules / 3-A gaskets
Construction of wetted materials : 316L SS, ceramic, PTFE, FPM

Membralox SD 3-A modules

Module
Type
No. of
Membranes
Membrane
Type
Surface
Area (m2)
Retentate Connections (RC)
Permeate Connections (PC)
M-1P3730 1 EP3730 0.35 RC: Weldable collars/ 3-A gaskets
M-1P1940   EP1940 0.24 PC: Weldable ferrules/ 3-A gaskets
M-1P3740   EP3740 0.47
M-1P1960   EP1960 0.36  
M-3P3730 3 EP3730 1.05 RC: Weldable collars/ 3-A gaskets
M-3P1940   EP1940 0.72 PC: Weldable ferrules/ 3-A gaskets
M-3P3740   EP3740 1.40
M-3P1960   EP1960 1.08  
M-7P3730 7 EP3730 2.45 RC: Weldable collars/ 3-A gaskets
M-7P1940   EP1940 1.68 PC: Weldable ferrules/ 3-A gaskets
M-12P3740 12 EP3740 5.60 RC: Weldable collars/ 3-A gaskets
M-12P1960   EP1960 4.32 PC: Weldable ferrules/ 3-A gaskets
M-19P3730 19 EP3730 6.65 RC: Weldable collars/ 3-A gaskets
M-19P1940   EP1940 4.56 PC: Weldable ferrules/ 3-A gaskets
M-22P3740 22 EP3740 10.27 RC: Weldable flanges/ 3-A gaskets
M-22P1960   EP1960 7.92 PC: Weldable ferrules/ 3-A gaskets
M-37P3730 37 EP3730 12.95 RC: Weldable flanges/ 3-A gaskets
M-37P1940   EP1940 8.88 PC: Weldable ferrules/ 3-A gaskets
Construction of wetted materials : 316L SS, ceramic, EPDM, FPM

1 The membranes based on high purity alumia are certified for use in contact with food fluids by Commission Directive 2005/31/EC. All membrane components are made from materials that our suppliers state meet the requirements for food contact use: Alumina and titania are GRAS. Zirconia layers on alumina support are listed in 21 CFR Sect.177.2910.
2 Available in the Membralox GP membrane version. 0.8μm and 1.4μm are available in a double layer version.
3 Any liquids belonging to group II from PED 97/23/EC art 9 - § 2.2
4 1 bar = 100 kPa

Applications

Clarification, concentration and fractionation of:
  • Milk and dairy products
  • Sugar and sweeteners
  • Food ingredients and additives
  • Beverages and potable water
  • Biological molecules
  • Process water and waste streams, in chemical, oil and gas, petrochemical and nuclear industries
  • Acids, bases and solvents

Type

Ceramic Filters

Use

Recycling

Additional Information

The limits of use of Membralox modules are determined mainly by the type of housing or gasket materials employed. Based on valuable pilot test data, our Scientific and Laboratory Services can provide advice in selecting the best membrane and module configuration to match your process requirements.

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