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Application filed by Omnium Traitement ValorisafiledCriticalOmnium Traitement Valorisa
Priority to PT8477187ApriorityCriticalpatent/PT84771B/pt
Publication of PT84771ApublicationCriticalpatent/PT84771A/pt
Publication of PT84771BpublicationCriticalpatent/PT84771B/pt
Copolymer of acrylamide and dimethylaminopropylacrylamide as flocculating agents and process for dewatering sludge by use of these flocculating agents.
Vorrichtung zum herstellen hochwertiger feststoff-fluessigkeits-gemische bis zum kolloiden system oder bis zur koagulation, zur wasseraufbereitung oder zum einbringen von gasen in fluessigkeiten.
Dispositif permettant de faire passer un premier liquide au voisinage d'un second liquide, sans melange entre les deux, pour dessaler de l'eau de mer par exemple