METHOD FOR UPGRADING LIQUEFIED WASTE PLASTIC

    公开(公告)号:FI20235609A1

    公开(公告)日:2024-12-01

    申请号:FI20235609

    申请日:2023-05-31

    Applicant: NESTE OYJ

    Abstract: The present invention relates to a method of upgrading liquefied waste plastic into petrochemical products and to a process plant suited to carry out this method. The method comprises a liquefied waste plastic-based feedstock, purifying and fractionating the liquefied waste plastic-based feedstock to obtain one or more distillate fractions and a purified residue fraction, hydrocracking the purified residue fraction, and finishing at least one of the distillate fractions and/or the hydrocracked product.

    ALKALI-ENHANCED HYDROTHERMAL PURIFICATION OF PLASTIC PYROLYSIS OILS

    公开(公告)号:SG11202111709TA

    公开(公告)日:2021-12-30

    申请号:SG11202111709T

    申请日:2020-05-26

    Applicant: NESTE OYJ

    Abstract: The invention provides a method for preparing fuel components from waste pyrolysis oil, comprising: a) providing a waste pyrolysis oil, comprising as the major part plastic pyrolysis oil and/or tyre pyrolysis oil, and comprising impurities in the form of chlorine, nitrogen, sulphur, and optionally silicone or bromide; b) purifying the waste pyrolysis oil by subjecting it to a hydrothermal treatment with water or alkaline water; c) separating the hydrothermally treated waste pyrolysis oil from the aqueous phase; d) preparing a hydroprocessing feed from the hydrothermally treated waste pyrolysis oil, optionally in mixture with one or more feed(s) of oxygen- containing biological oils having impurities of chlorine and silicon; e) hydroprocessing the hydroprocessing feed catalytically with hydrogen to cause hydrogenation, and optionally one or more of hydrodeoxygenation, hydrodesulfurisation, hydrodenitrification, hydrodechlorination, hydrodearomatization, and hydroisomerisation; f) recovering a hydrocarbon fraction boiling in the liquid fuel range.

    ALKALI-ENHANCED HYDROTHERMAL PURIFICATION OF PLASTIC PYROLYSIS OILS

    公开(公告)号:CA3134555A1

    公开(公告)日:2020-12-03

    申请号:CA3134555

    申请日:2020-05-26

    Applicant: NESTE OYJ

    Abstract: The invention provides a method for preparing fuel components from waste pyrolysis oil, comprising: a) providing a waste pyrolysis oil, comprising as the major part plastic pyrolysis oil and/or tyre pyrolysis oil, and comprising impurities in the form of chlorine, nitrogen, sulphur, and optionally silicone or bromide; b) purifying the waste pyrolysis oil by subjecting it to a hydrothermal treatment with water or alkaline water; c) separating the hydrothermally treated waste pyrolysis oil from the aqueous phase; d) preparing a hydroprocessing feed from the hydrothermally treated waste pyrolysis oil, optionally in mixture with one or more feed(s) of oxygen- containing biological oils having impurities of chlorine and silicon; e) hydroprocessing the hydroprocessing feed catalytically with hydrogen to cause hydrogenation, and optionally one or more of hydrodeoxygenation, hydrodesulfurisation, hydrodenitrification, hydrodechlorination, hydrodearomatization, and hydroisomerisation; f) recovering a hydrocarbon fraction boiling in the liquid fuel range.

    Alkali-enhanced hydrothermal purification of plastic pyrolysis oils

    公开(公告)号:FI20195446A1

    公开(公告)日:2020-11-29

    申请号:FI20195446

    申请日:2019-05-28

    Applicant: NESTE OYJ

    Abstract: The invention provides a method for preparing fuel components from waste pyrolysis oil, comprising: a) providing a waste pyrolysis oil, comprising as the major part plastic pyrolysis oil and/or tyre pyrolysis oil, and comprising impurities in the form of chlorine, nitrogen, sulphur, and optionally silicone or bromide; b) purifying the waste pyrolysis oil by subjecting it to a hydrothermal treatment with water or alkaline water; c) separating the hydrothermally treated waste pyrolysis oil from the aqueous phase; d) preparing a hydroprocessing feed from the hydrothermally treated waste pyrolysis oil, optionally in mixture with one or more feed(s) of oxygencontaining biological oils having impurities of chlorine and silicon; e) hydroprocessing the hydroprocessing feed catalytically with hydrogen to cause hydrogenation, and optionally one or more of hydrodeoxygenation, hydrodesulfurisation, hydrodenitrification, hydrodechlorination, hydrodearomatization , and hydroisomerisation; f) recovering a hydrocarbon fraction boiling in the liquid fuel range.

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