REFINING METHOD OF WASTE PLASTIC PYROLYSIS OIL USING SULFUR SOURCE AND MOLYBDENUM-BASED HYDROGENATION CATALYST, AND CONTINUOUS OPERATION METHOD THEREOF

Title:

REFINING METHOD OF WASTE PLASTIC PYROLYSIS OIL USING SULFUR SOURCE AND MOLYBDENUM-BASED HYDROGENATION CATALYST, AND CONTINUOUS OPERATION METHOD THEREOF

Document Type and Number:

WIPO Patent Application WO/2023/090854

Kind Code:

A1

Abstract:

Provided is a refining method of a waste plastic pyrolysis oil including: (S1) mixing a waste plastic pyrolysis oil and a sulfur source to prepare a mixed oil fraction; (S2) hydrotreating the mixed oil fraction with a reaction gas including a hydrogen gas (H2) in the presence of a molybdenum-based hydrogenation catalyst; and (S3) removing by-products of the hydrotreating from the product of (S2) to obtain a refined oil.

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Inventors:

KIM KAYOUNG (KR)
KIM OKYOUN (KR)
PARK YOUNGMOO (KR)
JEON HEEJUNG (KR)

Application Number:

PCT/KR2022/018108

Publication Date:

May 25, 2023

Filing Date:

November 16, 2022

Export Citation:

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Assignee:

SK INNOVATION CO LTD (KR)
SK GEO CENTRIC CO LTD (KR)

International Classes:

C10G45/08; C10G1/00; C10G1/10

Domestic Patent References:

WO2021204819A1	2021-10-14
WO2020239729A1	2020-12-03
WO2011064172A1	2011-06-03

Foreign References:

KR100902807B1	2009-06-15
CN104927914A	2015-09-23

Attorney, Agent or Firm:

PLUS INTERNATIONAL IP LAW FIRM (KR)

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