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 treatment 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 micro filtration
regime.

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 treatment 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 micro filtration
regime.

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

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.

 

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 alumia support are limited in 21 CFR
Sect. 177.2910.

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 wast streams, in chemical,
    oil and gas, petrochemical and nuclear industries
  • Acids, bases and solvents

 

Type

Ceramic Filters

Use

Filtration, Separation

Additional Information

 

   
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 -alumina.


 Membralox membrane pore sizes

Microfiltration 1.42, 0.82, 0.5, 0.2, 0.12 µm  -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° C (203° F)
Pressure 10 bar4 (145.1 psi)

 

Membralox HCB modules

Module
Type
No. of
Membranes
Membrane
Type
Surface
Area (m2)
Retentate Connections (RC)
Permeate connections (PC)
M-19P3740
M-19P1960
19 EP3740
EP1960
8.87
6.84
RC: Weldable flanges/O-ring gaskets
PC: Weldable flanges/flat gaskets
M-36P3740
M-36P1960
36 EP3740
EP1960
16.81
12.96
RC: Weldable flanges/O-ring gaskets
PC: Weldable flanges/flat gaskets
M-60P3730
M-60P1940
60 EP3730
EP1940
21
14.40
RC: Weldable flanges/O-ring gaskets
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
M-36P1960
36 EP3740
EP1960
16.81
13
RC: Weldable flanges/O-ring gaskets
PC: Weldable ferrules/3-A gaskets
M-60P3730
M-60P1940
60 EP3730
EP1940
21
14.40
RC: Weldable flanges/O-ring gaskets
PC: Weldable ferrules/3-A gaskets
Construction of wetted material: 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
M-1P1940
M-1P3740
M-1P1960
1 EP3730
EP1940
EP3740
EP1960
0.35
0.24
0.47
0.36
RC: Weldable collars/3-A gaskets
PC: Weldable ferrules/3-A gaskets
M-3P3730
M-3P1940
M-3P3740
M-3P1960
3 EP3730
EP1940
EP3740
EP1960
1.05
0.72
1.40
1.08
RC: Weldable collars/3-A gaskets
PC: Weldable ferrules/3-A gaskets
M-7P3730
M-7P1940
7 EP3730
EP1940
2.45
1.68
RC: weldable collars/3-A gaskets
PC: Weldable ferrules/3-A gaskets
M-12P3740
M-12P1960
12 EP3740
EP1960
5.60
4.32
RC: Weldable collars/3-A gaskets
PC: Weldable ferrules/3-A gaskets
M-3P3730
M-3P1940
19 EP3730
EP1940
6.65
4.56
RC: Weldable collars/3-A gaskets
PC: Weldable ferrules/3-A gaskets
M-3P3740
M-3P1960
22 EP3740
EP1960
10.27
7.92
RC: Weldable collars/3-A gaskets
PC: Weldable ferrules/3-A gaskets
M-3P3730
M-3P1940
37 EP3730
EP1940
12.95
8.88
RC: Weldable collars/3-A gaskets
PC: Weldable ferrules/3-A gaskets
Construction of wetted materials: 316L SS, ceramic, EPDM, FPM


 

2 Available in the Membralox GP membrane version. 0.8 µm and 1.4 µm are available in a double layer version.

3 Any liquid belonging to group II from PED 97/23/EC art 9 - § 2.2

4 1 bar = 100 kPa


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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