made the use of well-known ultra filtration, hyperfiltrations or entmineralisierungselement, its manufacture and its use in processes for the treatment of liquid radioactive abfaellen.

摘要

1. Ultrafiltration or hyperfiltration element, characterized in that it comprises a porous inorganic material support and a cellular, asymmetrical, microporous organic polymer membrane produced on one of the surfaces of the porous support and fitted into the pores of the porous support flush with said surface and without projecting beyond the porous support surface, said microporous membrane having a thickness less than that of the porous support.