00783naa a2200181 a 450000100080000000500110000800800410001910000200006024500670008026000090014752002900015665300210044665300160046765300160048370000170049970000180051677300670053410291342005-11-30 2001 bl --- 0-- u #d1 aASSIS, O. B. G. aOpen pore microfiltration membranes produced from waste glass. c2001 aOpen pore membranes were processed following the socalled 'filler principle' by making use of waste glass as raw material. In this process salt is mixed with glass powder, it behaves as an inert additive and after removal leaves a continuous porous structure within the sintered glass. aFiller principle aHidrophobic aHydrophilic1 aFERRANTE, M.1 aVIEIRA, D. C. tGlass Technology, Sheffieldgv.42, n.3, p. 101-103, jun. 2001.