HERDING

[ carrier elements for microorganisms for mounting in bioreactors and biological purification apparatus ]

filtering units for purifying air, gases, exhaust gas [ and liquids, ] and parts therefor; [ bioreactors for biologically purifying liquids, sewage, gases and discharged air, and parts therefor; ] filter elements for mounting in filtering units for filtering air, gases, exhaust gases [ and liquids; carrier elements for microorganisms for mounting in bioreactors ]