The Development of Micro-porous Metal - Ceramic Membrane Filters - 9250

Ellipsis and Porvair Filtration Group (PFG) are commercializing sintered 316L stainless steel powdered metal filters with a metal – ceramic membrane layer capable of absolute filtration to 0.5 µm. By the broadest definition, microfiltration includes devices able to separate particulates between 0.1 and 10 microns. Most porous metal filters are incapable of removing particles smaller than 4 µm. The Sinterflo® filters under development will improve filtration by almost an order of magnitude. Scanning electron photomicrographs (SEMs) and porometry, bubble point, permeability and efficiency data for both gaseous and liquid environments are presented.