APPARATUS FOR PVC-CONTAINING MIXED PLASTIC WASTE PYROLYSIS
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United States of America Patent
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Issued Date -
Oct 3, 2024
app pub date -
Jun 11, 2024
filing date -
Jul 10, 2020
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Abstract
An apparatus for pyrolysis of a mixed plastic stream that contains polyvinyl chloride (PVC) is provided in which the chloride from PVC is removed from an initial melting reactor that heats the mixed plastic stream to a sufficient temperature to produce HCl but at a low enough temperature to avoid production of organochlorides. Chloride is primarily removed in a vapor stream from the initial melting reactor, while additional chloride removal may be removed downstream from the melting reactor by the use of sorbent addition to the pyrolysis reactor and by subsequent adsorbent beds.
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