SA517390006B1 - C3-c4 عملية مدمجة لنزع الهيدروجين من هيدروكربون - Google Patents
C3-c4 عملية مدمجة لنزع الهيدروجين من هيدروكربونInfo
- Publication number
- SA517390006B1 SA517390006B1 SA517390006A SA517390006A SA517390006B1 SA 517390006 B1 SA517390006 B1 SA 517390006B1 SA 517390006 A SA517390006 A SA 517390006A SA 517390006 A SA517390006 A SA 517390006A SA 517390006 B1 SA517390006 B1 SA 517390006B1
- Authority
- SA
- Saudi Arabia
- Prior art keywords
- catalyst
- feed
- dehydrogenation
- product
- product mixture
- Prior art date
Links
- 238000006356 dehydrogenation reaction Methods 0.000 title abstract 4
- 239000004215 Carbon black (E152) Substances 0.000 title abstract 2
- 229930195733 hydrocarbon Natural products 0.000 title abstract 2
- 150000002430 hydrocarbons Chemical class 0.000 title abstract 2
- 238000000034 method Methods 0.000 title abstract 2
- 239000003054 catalyst Substances 0.000 abstract 5
- 239000000203 mixture Substances 0.000 abstract 4
- 150000001336 alkenes Chemical class 0.000 abstract 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 abstract 1
- 238000002485 combustion reaction Methods 0.000 abstract 1
- 239000012530 fluid Substances 0.000 abstract 1
- JRZJOMJEPLMPRA-UHFFFAOYSA-N olefin Natural products CCCCCCCC=C JRZJOMJEPLMPRA-UHFFFAOYSA-N 0.000 abstract 1
- 229910052760 oxygen Inorganic materials 0.000 abstract 1
- 239000001301 oxygen Substances 0.000 abstract 1
- 238000000926 separation method Methods 0.000 abstract 1
Classifications
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- C07C5/32—Preparation of hydrocarbons from hydrocarbons containing the same number of carbon atoms by dehydrogenation with formation of free hydrogen
- C07C5/327—Formation of non-aromatic carbon-to-carbon double bonds only
- C07C5/333—Catalytic processes
- C07C5/3332—Catalytic processes with metal oxides or metal sulfides
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Abstract
يتعلق الاختراع بعملية مدمجة، مناسبة للاستخدام في محطة معالجة جديدة أو معدلة، تنتج أولفين olefin أو داي-أولفين di-olefin عن طريق نزع الهيدروجين من تغذية C3-C4 هيدروكربون ملائمة تتضمن (1) ملامسة التغذية ومحفز لنزع الهيدروجين من التصنيف Geldart "أ" أو Geldart "ب" في طبقة مميعة عند درجة حرارة تتراوح من 550 درجة مئوية إلى 760 درجة مئوية وضغط يتراوح من حوالي 41.4 إلى حوالي 308.2 كيلو باسكال (نحو 6.0 إلى حوالي 44.7 رطل لكل بوصة مربعة مطلق) ونسبة محفز إلى تغذية، وزن/ وزن، من 5 إلى 100 لتشكيل منتج منزوع الهيدروجين dehydrogenate product؛ فصل المنتج منزوع الهيدروجين وخليط تغذية بادئ غير متفاعل من جزء من المحفز من خلال نظام فصل فرازي cyclonic separation system؛ إعادة تنشيط المحفز في مُجدِّد مميع fluidized regenerator من خلال الإحراق عند 660 درجة مئوية إلى 850 درجة مئوية، يتبع ذلك التلامس مع مائع محتوي على الأكسجين عند 660 درجة مئوية أو أكثر، وإعادة المحفز إلى مفاعل نزع الهيدروجين؛ (2) كبس خليط المنتج لتشكيل خليط منتج مضغوط؛ و(3) تجزئة خليط المنتج المضغوط لتشكيل تيار منتج يتضمن أولفين أو داي-أولفين
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KR20170133382A (ko) | 2017-12-05 |
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EP3277650A1 (en) | 2018-02-07 |
BR112017019500B1 (pt) | 2021-11-03 |
CA2980698A1 (en) | 2016-10-06 |
RU2017135538A (ru) | 2019-04-05 |
EP3699163B1 (en) | 2023-07-19 |
EP3699163A1 (en) | 2020-08-26 |
RU2017135538A3 (ar) | 2019-04-30 |
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US20190225563A1 (en) | 2019-07-25 |
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