B - Operations – Transporting – 29 – B
Patent
B - Operations, Transporting
29
B
B29B 17/02 (2006.01) B03B 5/44 (2006.01) B03B 9/06 (2006.01)
Patent
CA 2541939
The invention relates to a method for selectively separating synthetic organic materials such as polymers and/or reinforced or non-reinforced copolymers in the form of wastes, in particular domestic wastes recyclable in order to be reused. Said synthetic organic materials are recuperated from broken used cars and obsolete consumer durable products. The inventive method for selective separation consists in separating materials which have an identical density threshold value and are selected from a dense medium comprising separate liquid fluid suspensions which consist of powdery disperses particles in an aqueous phase and are stabilised with respect to the density threshold value selected in such a way that a selective separation of a determined fraction of the mixture of separable used material is initiated.
L'invention concerne un procédé de séparation sélective de matériaux organiques de synthèse en mélange, tels que des polymères et/ou des copolymères chargés ou non, qui sont des déchets en particulier usagés à recycler pour les valoriser, ces matériaux organiques de synthèse étant issus de la destruction par broyage d'automobiles et de biens de consommation durables parvenus en fin de vie, ledit procédé de séparation sélective agissant par séparation de ces matériaux à un seuil de densité choisi dans un milieu dense formé de suspensions liquides séparatives fluides composées de particules pulvérulentes dispersées dans une phase aqueuse, ces suspensions étant stabilisées à la valeur seuil de densité choisie pour provoquer la séparation sélective d'une fraction déterminée du mélange des matériaux usagés à séparer.
de Feraudy Hugues
Seinera Henri
Galloo Plastics (s.a.)
Goudreau Gage Dubuc
LandOfFree
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