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An integrated hydrotreating and steam pyrolysis process for the direct processing of a crude oil to produce olefinic and aromatic petrochemicals

A technology for hydrotreating, crude oil, applied in the field of steam pyrolysis, which can solve the problems of expensive process steps and limited availability

Pending Publication Date: 2019-11-26
SABIC GLOBAL TECH BV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The availability of these feedstocks is usually limited and requires costly and energy-intensive process steps in crude oil refining

Method used

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  • An integrated hydrotreating and steam pyrolysis process for the direct processing of a crude oil to produce olefinic and aromatic petrochemicals
  • An integrated hydrotreating and steam pyrolysis process for the direct processing of a crude oil to produce olefinic and aromatic petrochemicals
  • An integrated hydrotreating and steam pyrolysis process for the direct processing of a crude oil to produce olefinic and aromatic petrochemicals

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Embodiment Construction

[0036] The present invention will be described in further detail below with reference to the accompanying drawings.

[0037] figure 1 A process flow diagram comprising a method and system for integrated hydroprocessing including hydrogen redistribution and steam pyrolysis according to Embodiment 1 above is shown in . The integrated system generally includes an initial feed separation zone 20, a selective catalytic hydroprocessing zone, a steam pyrolysis zone 30, and a product separation zone.

[0038] Typically, the crude feed is flashed whereby the lighter fractions (having a boiling point in the range containing minimal hydrocarbons requiring further cracking and containing easily liberated hydrogen, e.g. up to about 185°C) are passed directly to steam pyrolysis zone, and only the essential fractions (ie, fractions with a hydrogen content below a predetermined level) are hydrotreated. This is advantageous because it provides increased hydrogen partial pressure in the hydro...

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Abstract

An integrated hydrotreating and steam pyrolysis process for the direct processing of a crude oil to produce olefinic and aromatic petrochemicals by separating the crude oil into light components and heavy components.

Description

[0001] Cross References to Related Applications [0002] This application claims European Patent Application No. 17154397.8 filed on February 2, 2017, European Patent Application No. 17154392.9 filed on February 2, 2017, European Patent Application No. 17154393.7 filed on February 2, 2017, and Benefit of priority from European Patent Application No. 17154390.3 filed February 2, 2017, the entire content of each of which is hereby incorporated by reference in its entirety. technical field [0003] The present invention relates to an integrated hydrotreating and steam pyrolysis process for the direct processing of crude oil to produce olefinic and aromatic petrochemicals. Background technique [0004] Lower olefins (i.e. ethylene, propylene, butene, and butadiene) and aromatics (i.e. benzene, toluene, and xylene) are fundamental intermediates widely used in the petrochemical and chemical industries. Thermal cracking or steam pyrolysis is the main type of process for forming th...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C10G45/00C10G47/00C10G55/04C10G69/06C10G9/00C10G9/36C10G19/00
CPCC10G45/00C10G47/00C10G55/04C10G69/06C10G9/00C10G9/36C10G19/00C10G2300/308C10G2400/20C10G2400/22C10G2400/30C10G47/26C10G49/007C10G49/12C10G67/10C10G2300/301
Inventor 阿尔诺·约翰尼斯·玛丽亚·奥普林斯安德鲁·马克·沃德劳尔·贝拉斯科·佩莱斯埃伊迪乌斯·雅各芭·玛丽亚·夏拉肯乔里斯·梵·威利根堡
Owner SABIC GLOBAL TECH BV
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