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Home Gallery Membrane



Hollow fiber membrane pore structure wall   membrane pore size micro fibrils sem image

SEM image of a membrane hollow fiber pore structure. Fibrils, slot like shaped pores through whole wall of the membrane.    


pore size particles kilodaltons daltons kd molecular weight ultra filtration micro filtration       Filtration spectrum of microfiltration, ultrafiltration, nanofiltration and reverse osmosis

Filtration relative to the pore size of the common particles.                         Filtration spectrum of microfiltration, ultrafiltration, nanofiltration and reverse osmosis.


 polyurethane potting polypropylene membrane    hollow fiber membrane potting cross section silicone

 Potting - cross section, membrane hollow fibers potted in polyurethane.      Membrane fibers potted in silicone (suitable for micromodules).


  membrane potting

 Cross section of fibers packed in potting.                                                   Potted thick wall hollow fibers membrane. 


 hydrophobic membrane surface hollow fiber

 Polypropylene hollow fibers are naturally hydrophobic.


  hollow fiber membrane bundles polypropylene

One port small hollow fiber membrane bundle.                                                                                                Small membrane bundles for lab applications.




Zena membranes - hollow fiber membranes and modules for various filtration / separation and contactor applications. From lab size to large MBR submerged modules. Plastic heat exchangers for aggressive environments. Photocatalytic degradation of pollutants units (TiO2 and UV light). Zena membranes, hollow fiber membranes, micro filtration, macro filtration, separation, MBR, filtration modules, laboratory filtration, waste water, sea water pre-filtration, water sampling, contactor, degassing, carbonation, humidification, heat exchanger, polypropylene heat transfer, plastic heat exchanger, heat energy reuse, photocatalytic degradation, TiO2, UV light TiO2 oxidation