Membrane Filtration

Membrane filtration systems are ideal
for filtering various media.

  • from micro to nano

Due to simple physical laws, fats, oils, pigments, and other ingredients can be filtered out of the media.

These systems do not require any chemicals during filtration. Thus, this type of filtration is the most cost-effective way to prepare and maintain the process media. The systems manufactured by WAP-Heythekker in the field of membrane filtration are equipped with ceramic or organic membranes as an option. Depending on the fineness of your filtration, a distinction is made between micro and ultrafiltration.

Microfiltration separation limit:> 0.10 μm
Ultrafiltration separation limit:> 0.01 μm

The medium being treated is collected in a working container. A circulation pump is then used to charge the filtration module. In this module, the use of several identical membranes is possible to create a large filter surface. The filtration takes place via a controlled difference in pressure. The purified phase - the permeate - is fed back into the process, the concentrate phase - the retentate - is fed back into the working container. The extracted permeate amount is continuously replaced by a freshly processed medium. If the concentrate phase is highly concentrated, it is thickened again and then discharged from the system. Thereafter, the modules are thoroughly rinsed with either the membrane cleaner WAP S10 or WAP AI10. The system is then again ready for use.

To achieve high flux rates, we use the feed and bleed system. In order to achieve a constant high overflow for larger modules, a corresponding circulation pump (bleed pump) is used, and the medium is pumped with the filling pump (feed pump) in the filtration circuit. As a result, plants with permeate capacities of up to 3,000 l/h could already be realized using ceramic membranes.

Welche Membranen zum Einsatz kommen ist immer abhängig vom jeweils zu filtrierenden Medium und den resultierenden Prozessparametern.


Care of degreasing baths

Care of washing liquors

Care of HD water

Cleaning of paint wastewater

Cooling lubricants


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