Methods For Producing Higher Alcohols From Waste Plastic Pyrolysis Oil And The Higher Alcohols Obtained Therefrom
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United States of America Patent
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Nov 30, 2023
app pub date -
Oct 18, 2021
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Oct 23, 2020
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Abstract
A method for producing a higher alcohol from a waste plastic feedstock is disclosed, comprising: (a) providing a hydrocarbon feed stream comprising a pyrolysis oil feed obtained from pyrolysis of plastic waste, wherein the pyrolysis oil comprises at least 20 wt % higher olefins with a carbon number in the range C5-C20, based on its total hydrocarbon content; (b) contacting the hydrocarbon feed stream with synthesis gas under hydroformylation conditions in the presence of a hydroformylation catalyst and recovering a hydroformylation product; (c) subjecting the hydroformylation product to hydrogenation and/or a distillation to recover a higher alcohol product.
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