B - Operations – Transporting – 29 – B
Patent
B - Operations, Transporting
29
B
B29B 17/02 (2006.01) C08J 11/06 (2006.01) C23F 1/36 (2006.01)
Patent
CA 2116440
A method for recovering a synthetic waste material contaminated with other materials, particularly waste optical disks, wherein the loose, uncrushed waste is chemically treated by impregnating said other materials with a chemical solution which attacks these materials but is substantially neutral for the synthetic material, and mechanically treated by tumbling said waste in a sealed rotary drum to dislodge the contaminated and chemically attacked materials from said synthetic material.
2116440 9401491 PCTABS00165 Dans le procédé de valorisation de déchets d'une matière synthétique contaminés par d'autres matériaux, notamment de déchets de disques à lecture optique, on effectue simultanément sur les déchets en vrac, non préalablement broyés, un traitement chimique par imprégnation desdits autres matériaux au moyen d'une solution chimique agressive à l'égard de ces matériaux et sensiblement neutre à l'égard de la matière synthétique, et un traitement mécanique en brassant ces déchets dans un tambour rotatif hermétiquement fermé pour détacher de la matière synthétique les matériaux contaminés et attaqués par le traitement chimique.
Helverep S.a.
Lesperance & Martineau S.e.n.c.
LandOfFree
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