| abstract |
THE INVENTION CONCERNS POLYMER CHEMISTRY. THE POROUS MATERIAL WHICH IS THE OBJECT OF THE INVENTION IS OF THE TYPE INCLUDING A POLYMERIC MATRIX AND A REACTIVE FILLER, AND IS CHARACTERIZED IN THAT, AS A POLYMERIC MATRIX, IT CONTAINS POLYVINYLFORMAL FOAM OR POLYURETHANE FOAM, AND AS A FILLER REACTIVE, ION-EXCHANGING AND COMPLEXING CRUSHED FIBERS, ITS FIBER CONTENT IS BETWEEN 10 AND 80 OF THE MASS OF THE FINISHED MATERIAL. THE MATERIAL IN QUESTION CAN BE USED IN PROCESSES FOR PREPARING WATER, DEPURING WASTE WATER, SORPTION OF VARIOUS PRODUCTS FROM LIQUID AND GASEOUS MEDIA, SELECTIVE EXTRACTION OF METALS. |