Process and reactor for converting liquid hydrocarbons to higher value chemicals

The ANJEVOC reactor technology utilizes swirling combustion gas to heat mixtures and convert hydrocarbon reactants within a reaction chamber, solving the problems of complexity and high capital costs in crude oil-to-chemicals complex processing systems, and achieving efficient conversion into high-value chemicals.

CN121569007APending Publication Date: 2026-02-24SABIC GLOBAL TECHNOLOGIES BV
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Patent Information

Application Number
CN202480049165.X
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Priority Date
2023-09-11
Filing Date
2024-07-24
Publication Date
2026-02-24

AI Technical Summary

Technical Problem

In existing technologies, crude oil to chemical complex processing systems are complex and have high capital costs, making it difficult to process liquid crude oil and gaseous feedstocks simultaneously, resulting in low efficiency in the production of light olefins and aromatic compounds.

Method used

Using ANJEVOC reactor technology, liquid hydrocarbons are mixed with fuel and oxidant gases in an annular jet vortex chamber to form a swirling combustion gas. The swirling heats the mixture to convert hydrocarbon reactants in the reaction chamber, achieving a single-step, highly efficient conversion into high-value chemicals.

Benefits of technology

It simplifies the processing flow, reduces operational complexity and capital expenditure, and improves the efficiency of producing light olefins and aromatic compounds.

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Abstract

A process for converting hydrocarbons utilizes a reactor system including a central shaft, a feed assembly, and a reactor vessel defining a reaction chamber. A fuel gas feed and an oxidant gas feed are introduced into the feed assembly in a swirling fluid flow pattern, which combust to form a swirling combustion gas. A hydrocarbon reactant feed of liquefied natural gas (NGL), natural gas condensate or associated petroleum gas, and liquid hydrocarbons is introduced into the central chamber. The liquid feed is introduced as a liquid spray in a flow pattern that is not perpendicular to the central axis. A hydrocarbon feed is mixed with the swirling combustion gas to form a swirling heated mixture that passes from the central chamber through convergent-divergent conduits and into the reaction chamber to react to form a converted hydrocarbon product.
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