KR102813048B1 - 에틸벤젠 탈수소화 촉매 활성을 유지하기 위한 시스템 및 방법 - Google Patents
에틸벤젠 탈수소화 촉매 활성을 유지하기 위한 시스템 및 방법 Download PDFInfo
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- B01J2208/00796—Details of the reactor or of the particulate material
- B01J2208/00893—Feeding means for the reactants
- B01J2208/00902—Nozzle-type feeding elements
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- B01J2219/00274—Sequential or parallel reactions; Apparatus and devices for combinatorial chemistry or for making arrays; Chemical library technology
- B01J2219/00277—Apparatus
- B01J2219/00351—Means for dispensing and evacuation of reagents
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- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
- B01J23/70—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper
- B01J23/76—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper combined with metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36
- B01J23/84—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper combined with metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36 with arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
- B01J23/847—Vanadium, niobium or tantalum or polonium
- B01J23/8472—Vanadium
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- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
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- C07C2523/02—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group C07C2521/00 of the alkali- or alkaline earth metals or beryllium
- C07C2523/04—Alkali metals
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- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C2523/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group C07C2521/00
- C07C2523/70—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group C07C2521/00 of the iron group metals or copper
- C07C2523/76—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group C07C2521/00 of the iron group metals or copper combined with metals, oxides or hydroxides provided for in groups C07C2523/02 - C07C2523/36
- C07C2523/78—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group C07C2521/00 of the iron group metals or copper combined with metals, oxides or hydroxides provided for in groups C07C2523/02 - C07C2523/36 with alkali- or alkaline earth metals or beryllium
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C2523/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group C07C2521/00
- C07C2523/70—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group C07C2521/00 of the iron group metals or copper
- C07C2523/89—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group C07C2521/00 of the iron group metals or copper combined with noble metals
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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Abstract
Description
도 2는 본 명세서의 양태에 따른 탈수소화 공정에 화합물을 주입하기 위한 시스템의 단순화된 공정 흐름도이다.
도 3은 본 명세서의 양태에 따른 탈수소화 공정의 흐름 스트림으로 화합물을 주입하는 시뮬레이션의 그래픽 결과를 나타낸다.
Claims (22)
- 에틸벤젠의 탈수소화 방법으로서, 상기 방법은:
증기 스트림과 에틸벤젠 스트림을 혼합하여 에틸벤젠/증기 공급물의 혼합물을 형성하는 단계;
상기 에틸벤젠/증기 공급물의 혼합물을 알칼리 금속 촉진된 촉매를 함유하는 탈수소화 반응기에 공급하여, 에틸벤젠의 일부를 스티렌으로 전환시키는 단계;
상기 증기 스트림, 에틸벤젠 스트림, 또는 에틸벤젠/증기 공급물의 혼합물 중 적어도 하나를 포함하는 공급물 스트림에 알칼리 금속 액체, 알칼리 금속 화합물 액체, 또는 알칼리 금속을 포함하는 액체 용액으로부터 선택된 액체를 주입하는 단계로, 상기 액체는 기화되어 탈수소화 반응기 상류의 공급물 스트림으로 분산되는 것인, 단계;
주입 상류 지점에서 분사 노즐까지 액체를 액체 상태로 유지하는 단계; 및
분사 노즐을 통한 액체의 주입과 순수한 물의 스트림의 주입을 교번하는 단계;를 포함하는 것인, 에틸벤젠의 탈수소화 방법.
- 제1항에 있어서,
상기 알칼리 금속 촉진된 촉매가 칼륨 촉진된 촉매를 포함하는 것인, 에틸벤젠의 탈수소화 방법.
- 제1항에 있어서,
상기 알칼리 금속을 포함하는 액체 용액이 수 중에 0.02 내지 0.5 중량%의 알칼리 금속을 포함하는 것인, 에틸벤젠의 탈수소화 방법.
- 제1항에 있어서,
상기 주입하는 단계는,
상기 분사 노즐을 통해 액체를 분산시켜, 공급물 스트림에 분산된 액체의 액적을 형성하는 단계; 및
상기 액체를 공급물 스트림으로 증발시키는 단계;를 포함하는 것인, 에틸벤젠의 탈수소화 방법.
- 제4항에 있어서,
상기 분산된 액체의 액적이 75 미크론 이하의 초기 입자 크기를 갖는 것인, 에틸벤젠의 탈수소화 방법.
- 제4항에 있어서,
상기 분사 노즐이 공급물 스트림 내 중앙에 배치되는 것인, 에틸벤젠의 탈수소화 방법.
- 제4항에 있어서,
상기 방법은, 공급물 스트림 주위에 원주방향으로 위치되고 공급물과 병류 방향으로 그리고 공급물 스트림의 중심을 향해 분무하도록 구성된 2개 이상의 분사 노즐을 통해 액체를 분산시키는 것을 포함하는 것인, 에틸벤젠의 탈수소화 방법.
- 삭제
- 제4항에 있어서,
상기 주입하는 단계는 액체를 불활성 기체로 원자화하는 것을 포함하는 것인, 에틸벤젠의 탈수소화 방법.
- 제1항에 있어서,
증발은 분산된 액적을 10 미터의 거리 내에서 공급물 스트림으로 증발시키는 것을 포함하는 것인, 에틸벤젠의 탈수소화 방법.
- 에틸벤젠 탈수소화 반응기에서 촉매 활성을 유지하기 위한 시스템으로서, 상기 시스템은,
알칼리 금속, 알칼리 금속 화합물 액체, 및 알칼리 금속을 포함하는 액체 용액 중 적어도 하나로부터 선택된 액체 알칼리 공급물을 액체 상태로 유지하도록 구성된, 액체 알칼리 공급물 (liquid alkali feed);
액체로서 상기 액체 알칼리 공급물을 증기 스트림, 에틸벤젠 공급물 스트림, 및 에틸벤젠/증기 공급물 스트림으로부터 선택되는 공정 공급물 스트림에 주입하여 알칼리-함유 공급물을 형성하기 위한, 분사 노즐(injection nozzle);
분사 노즐에 유체적으로 연결된 물 공급물 스트림;
액체 알칼리 공급물과 물 공급물 스트림을 분사 노즐로 교대로 공급하도록 구성된 제어 시스템; 및
알칼리 금속 촉진된 촉매를 함유하고 알칼리 함유 공급물 또는 알칼리 함유 공급물을 포함하는 혼합물을 수용하기 위한 주입구(inlet)를 갖는, 탈수소화 반응기(dehydrogenation reactor);를 포함하는 것인, 시스템.
- 제11항에 있어서,
상기 알칼리 공급물은 분사 노즐의 상류에서 액체로서 알칼리 공급물을 유지하기 위해 증기 추적되거나, 절연되거나, 냉각제가 추적되는 것인, 시스템.
- 제11항에 있어서,
상기 분사 노즐은 공정 공급물 스트림의 축방향 중심에 근접하게 배치되는 것인, 시스템.
- 제11항에 있어서,
상기 시스템은, 공정 공급물 스트림에 대해 원주방향으로 배치된 2개 이상의 분사 노즐을 포함하는 것인, 시스템.
- 제11항에 있어서,
상기 노즐은 75 미크론 이하의 초기 입자 크기를 갖는 액적 형태로 액체 알칼리 공급물을 분산시키도록 구성되는 것인, 시스템.
- 삭제
- 삭제
- 제11항에 있어서,
상기 시스템은, 분사 노즐에 유체적으로 연결된 불활성 기체 공급물 스트림을 추가로 포함하는 것인, 시스템.
- 제11항에 있어서,
상기 분사 노즐은 탈수소화 반응기의 상류에서 5 미터 내지 10 미터 사이의 거리에서 메인 에틸벤젠/증기 공급물 스트림에 위치하는 것인, 시스템.
- 제11항에 있어서,
상기 분사 노즐은 공정 공급물 스트림의 중앙 부분 내에서 액체 액적의 분무를 유지하도록 구성되는 것인, 시스템.
- 삭제
- 삭제
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/US2019/028159 WO2020214181A1 (en) | 2019-04-18 | 2019-04-18 | Systems and processes for maintaining ethylbenzene dehydrogenation catalyst activity |
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| KR20210143339A KR20210143339A (ko) | 2021-11-26 |
| KR102813048B1 true KR102813048B1 (ko) | 2025-05-27 |
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| US20090118557A1 (en) * | 2007-11-06 | 2009-05-07 | Fina Technology, Inc. | Dehydrogenation of alkyl aromatics |
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| US5358698A (en) * | 1991-02-26 | 1994-10-25 | Fina Technology, Inc. | Apparatus for dehydrogenation of ethylbenzene to styrene |
| US5739071A (en) | 1993-07-07 | 1998-04-14 | Raytheon Engineers & Constructors, Inc. | Method and apparatus for regeneratinig and stabilizing dehydrogenation catalysts |
| US5461179A (en) * | 1993-07-07 | 1995-10-24 | Raytheon Engineers & Constructors, Inc. | Regeneration and stabilization of dehydrogenation catalysts |
| US6936743B2 (en) | 2002-09-05 | 2005-08-30 | Fina Technology, Inc. | Method for extending catalyst life in processes for preparing vinyl aromatic hydrocarbons |
| US20060183953A1 (en) | 2005-02-15 | 2006-08-17 | Fina Technology, Inc. | Method and apparatus for addition of aqueous solutions to high temperature processes |
| US20060224029A1 (en) | 2005-03-29 | 2006-10-05 | Fina Technology, Inc. | Method of extending catalyst life in vinyl aromatic hydrocarbon formation |
| EP2000450A1 (en) * | 2007-06-05 | 2008-12-10 | Total Petrochemicals France | Regeneration and stabilization of dehydrogenation catalyst |
| US8648007B2 (en) * | 2008-04-22 | 2014-02-11 | Fina Technology, Inc. | Vaporization and transportation of alkali metal salts |
| US7964765B2 (en) * | 2008-06-14 | 2011-06-21 | Lummus Technology Inc. | Styrene monomer process based on oxidative dehydrogenation of ethylbenzene using CO2 as a soft oxidant |
| CN101992129B (zh) * | 2009-08-31 | 2013-03-06 | 中国石油化工股份有限公司 | 乙苯脱氢制备苯乙烯催化剂的补钾方法 |
| US10961169B2 (en) * | 2019-04-18 | 2021-03-30 | Lummus Technology Llc | Systems and processes for maintaining ethylbenzene dehydration catalyst activity |
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2019
- 2019-04-18 WO PCT/US2019/028159 patent/WO2020214181A1/en not_active Ceased
- 2019-04-18 MY MYPI2021006168A patent/MY208281A/en unknown
- 2019-04-18 JP JP2021561914A patent/JP7416824B2/ja active Active
- 2019-04-18 EP EP19925131.5A patent/EP3956278A4/en active Pending
- 2019-04-18 CN CN201980095639.3A patent/CN113710632B/zh active Active
- 2019-04-18 KR KR1020217037574A patent/KR102813048B1/ko active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20090118557A1 (en) * | 2007-11-06 | 2009-05-07 | Fina Technology, Inc. | Dehydrogenation of alkyl aromatics |
Also Published As
| Publication number | Publication date |
|---|---|
| MY208281A (en) | 2025-04-29 |
| BR112021020674A2 (pt) | 2021-12-07 |
| EP3956278A1 (en) | 2022-02-23 |
| JP2022529471A (ja) | 2022-06-22 |
| CN113710632B (zh) | 2025-07-04 |
| JP7416824B2 (ja) | 2024-01-17 |
| EP3956278A4 (en) | 2022-12-14 |
| CN113710632A (zh) | 2021-11-26 |
| WO2020214181A1 (en) | 2020-10-22 |
| KR20210143339A (ko) | 2021-11-26 |
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