Process for converting waste plastics in the presence of a solvent, resulting from the conversion of used tyres

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United States of America Patent

PATENT NO 11820946
APP PUB NO 20210301145A1
SERIAL NO

17208626

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Abstract

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The invention relates to a process for converting a plastic feedstock and for converting used tyres to obtain carbon black, comprising the following steps:

    a) a solid feedstock (100) based on used tyres is sent into a reaction zone (10) in the presence of a liquid solvent (340) comprising aromatic compounds to at least partly dissolve said solid feedstock and to thermally decompose said dissolved solid feedstock so as to obtain carbon black (160) and a first hydrocarbon-based liquid fraction (120);b) a molten plastic feedstock (200) is sent together with at least a portion of the first hydrocarbon-based liquid fraction (120) obtained on conclusion of step a) into a conversion zone (20) to dissolve said molten plastic feedstock (200) and to thermally decompose said dissolved plastic feedstock so as to obtain a second hydrocarbon-based liquid fraction (230).

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Patent Owner(s)

Patent OwnerAddress
IFP ENERGIES NOUVELLESFRANCE RUEZ - MA MAISON L V E MA MAI SONG UPPER SEINE PROVINCE

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Digne, Romina Rueil-Malmaison, FR 11 20
Gauthier, Thierry Rueil-Malmaison, FR 61 640

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