Process for the separation of plastics by flotation

C - Chemistry – Metallurgy – 08 – J

Patent

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C08J 11/06 (2006.01) B03B 1/04 (2006.01) B03D 1/002 (2006.01) B03D 1/008 (2006.01) B03D 1/02 (2006.01)

Patent

CA 2078098

HOE 91/F 288 Abstract of the disclosure Process for the separation of plastics by flotation The invention relates to a process for separating off polyester plastics from a mixture of polyester, polyvinyl chloride and, if present, other plastics, which comprises treating the mixture of plastics with an aqueous alkaline solution and separating off the polyester from polyvinyl chloride and, if present, other plastics by flotation.

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