描述
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 elementshas 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 ceramicmembranes 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.
Applications
- 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
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.
Segments
Type
Use
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 |
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 |
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 |
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 |
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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