METHOD FOR PREPARING SYNTHESIS GAS

MX433884BActive Publication Date: 2026-05-19LG CHEM LTD
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Patent Information

Authority / Receiving Office
MX · MX
Patent Type
Patents
Current Assignee / Owner
LG CHEM LTD
Filing Date
2022-08-30
Publication Date
2026-05-19

AI Technical Summary

Technical Problem

Conventional refinery residues used as feedstock for syngas production have high kinematic viscosity, sulfur, and nitrogen content, leading to increased greenhouse gas emissions, operating costs, and inefficiencies in the gasification process, while pyrolysis fuel oil from naphtha cracking centers faces similar viscosity issues and high sulfur content, limiting its use as a raw material.

Method used

A method involving pretreatment of pyrolysis gas oil (PGO) and pyrolysis fuel oil (PFO) streams from a naphtha cracking center process to adjust kinematic viscosity and flash point, allowing them to be used as feedstock in a gasification process, reducing greenhouse gas emissions and operating costs.

Benefits of technology

The method enables the use of PGO and PFO as syngas feedstock, achieving reduced emissions, lower operating costs, and improved process efficiency by controlling kinematic viscosity and flash point within optimal ranges.

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Abstract

A method for preparing synthesis gas is provided, and more particularly, a method for preparing synthesis gas that includes: supplying a PGO stream including a pyrolysis gas oil (PGO) discharged from a naphtha cracking center (NCC) process to a distillation tower; and supplying a bottom discharge stream from the distillation tower and a PFO stream including a pyrolysis fuel oil (PFO) discharged from the naphtha cracking center (NCC) process to a combustion chamber for a gasification process as a feed stream.
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