atech innovations gmbh Hall 8 / D18

atech Ceramics in Polypropylene (PP) housings

Since end of 2021 the major producer of polypropylene membranes has stopped his manufacturing for tubular PP membranes.

As a consequence of this termination, PP modules like “Microdyn® tubular modules” or “T-cut-PP” are no longer available, thus membrane system operators are facing a problem if it comes to membrane replacement.

atech innovations gmbh has developed a housing made of polypropylene with exactly the same dimension as the a.m. PP modules but equipped with their unique ceramic membranes in 1,5 µm length (the photo shows a module with 3 m length, for total of 14 membranes).

Just by adapting the individual connections (feed/retentate/permeate), the atech PP modules fit into the PP- membrane system without further modification.
The atech PP-housing does not have any metal parts (fully PP design) so it can be used for corrosive applications as well.

Key features of atech PP module with ceramic membranes:

• pore sizes available from 1,2 µm to 1 kD (including 0,2 µm)
• narrow pore size distribution
• channel diameter 4 mm (5,5 in preparation)
• filter surface (up to 18m²), can be adapted
• similar feed flow rates as PP membranes (no pump modification necessary)
• membranes can be exchanged separately without change of housing
• can be used for corrosive liquids (no metal parts in contact with liquid)
• high chemical resistance
• extremely high water permeability

New membrane geometry complements the atech product portfolio

Among other things, atech innovations gmbh introduces a new membrane geometry to complement the portfolio. This 61/4 geometry is characterized in particular by its very high packing density, which leads to very competitive prices.

atech innovations gmbh, based in Gladbeck, has been active since 1989 in the distribution and, since 1992, also in the development and production of high-quality ceramic membranes for a wide variety of industrial applications in the chemical, biotechnological, food and beverages industries and in the waste water treatment/ recycling industry.

atech’s range of products includes membranes in various geometries and channel diameters as well as pressure vessels used to arrange the membranes in modules. In addition, the qualified staff and the technical facilities of atech are available for services such as filtering tests or tests on a pilot installation.

Depending on the requirements of each particular application, atech offers a wide range of different membrane geometries: single-channel and multi-channel membranes with various channel diameters suitable for ultrafiltration (starting at 1 kD) and microfiltration (up to 1.2 μm). For applications with abrasive liquids, atech has developed Duratech®Plus ceramic membrane, which, thanks to a special thermal treatment process, has an even higher abrasion resistance than the standard membrane, which is also very resistant.