DISSOLUTION PROCESS AND APPARATUS FOR A SOLVENT BASED RECYCLING PROCESS OF POLYOLEFINS

    公开(公告)号:US20240110032A1

    公开(公告)日:2024-04-04

    申请号:US18285278

    申请日:2022-04-13

    Applicant: Borealis AG

    Abstract: A dissolution apparatus for dissolving from a waste polyolefin material a polyolefin in a solvent yielding a polyolefin solution slurry), the polyolefin solution slurry comprising a polyolefin solution and undissolved residues, for a continuous polyolefin recycling process, the dissolution apparatus comprising at least one feeding device selected from a list consisting of a dry feeding device, a wet feeding device, a melt feeding device, and a solution feeding device, at least one dissolution device, wherein the at least one dissolution device has at least one first inlet for introducing the waste polyolefin material fluidly connected to an outlet of the at least one feeding device, and wherein the at least one dissolution device has at least one second inlet for introducing the solvent, and wherein the at least one dissolution device has at least one outlet for withdrawing the polyolefin solution slurry, and wherein the dissolution device comprises a vessel comprising a stirrer.

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