Recovery of valuable components from a waste stream

    公开(公告)号:US12251710B2

    公开(公告)日:2025-03-18

    申请号:US17861933

    申请日:2022-07-11

    Abstract: A process for separating components of a waste stream. In one embodiment, the process includes providing shredded material in a form of particles each having a size of less than 2 inches. The particles of shredded material are separated based on size into a plurality of streams. Each of the plurality of streams is separated, based on density, into a first substream of greater density and a second sub stream of lesser density. Brittle components of each first substream are pulverized, leaving metallic components in sheet form. Metallic components are separated from the first substream after the pulverizing. The process can be utilized to recover metals from automobile shredder residue, such as copper, aluminum, and precious metals.

    USING PHOTONICS TO RECOVER CRITICAL MATERIALS FROM AUTOMOTIVE SHREDDER RESIDUE AND SIMILAR MIXED PLASTIC WASTE

    公开(公告)号:US20250065382A1

    公开(公告)日:2025-02-27

    申请号:US18811184

    申请日:2024-08-21

    Applicant: Grensol AG

    Abstract: Waste feed material, such as Automotive Shredder Residue (ASR) feed material, that includes hydrocarbon materials and inorganic materials is processed using photolysis. A reactor includes a chamber that receives waste feed material including a majority of hydrocarbon material after the substantial removal of inorganic material including metals and minerals. A photonic illumination or photolysis module irradiates the feed material within the chamber of the reactor to decompose the hydrocarbon or hydrocarbon materials within the waste feed material into gases and/or carbonaceous solids. A mechanical movement unit moves the waste feed material within the chamber of the reactor to facilitate exposure of different portions of the feed material to irradiation within the chamber during system operation. A pre-treatment module substantially removes the contained metals and minerals in the waste material from the hydrocarbon material fed to the reactor.

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