KR20170127491A - 촉매 응집 개선 - Google Patents
촉매 응집 개선 Download PDFInfo
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- KR20170127491A KR20170127491A KR1020177027680A KR20177027680A KR20170127491A KR 20170127491 A KR20170127491 A KR 20170127491A KR 1020177027680 A KR1020177027680 A KR 1020177027680A KR 20177027680 A KR20177027680 A KR 20177027680A KR 20170127491 A KR20170127491 A KR 20170127491A
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- B01J8/04—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with stationary particles, e.g. in fixed beds the fluid passing successively through two or more beds
- B01J8/0492—Feeding reactive fluids
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- B01J8/06—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with stationary particles, e.g. in fixed beds in tube reactors; the solid particles being arranged in tubes
- B01J8/062—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with stationary particles, e.g. in fixed beds in tube reactors; the solid particles being arranged in tubes being installed in a furnace
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- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C5/00—Preparation of hydrocarbons from hydrocarbons containing the same number of carbon atoms
- C07C5/32—Preparation of hydrocarbons from hydrocarbons containing the same number of carbon atoms by dehydrogenation with formation of free hydrogen
- C07C5/321—Catalytic processes
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C5/00—Preparation of hydrocarbons from hydrocarbons containing the same number of carbon atoms
- 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
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- B01J2208/00—Processes carried out in the presence of solid particles; Reactors therefor
- B01J2208/00008—Controlling the process
- B01J2208/00017—Controlling the temperature
- B01J2208/00327—Controlling the temperature by direct heat exchange
- B01J2208/00336—Controlling the temperature by direct heat exchange adding a temperature modifying medium to the reactants
- B01J2208/00353—Non-cryogenic fluids
- B01J2208/00371—Non-cryogenic fluids gaseous
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- B01J2208/00—Processes carried out in the presence of solid particles; Reactors therefor
- B01J2208/00008—Controlling the process
- B01J2208/00017—Controlling the temperature
- B01J2208/00504—Controlling the temperature by means of a burner
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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- B01J2208/00—Processes carried out in the presence of solid particles; Reactors therefor
- B01J2208/00008—Controlling the process
- B01J2208/00628—Controlling the composition of the reactive mixture
- B01J2208/00637—Means for stopping or slowing down the reaction
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2208/00—Processes carried out in the presence of solid particles; Reactors therefor
- B01J2208/00008—Controlling the process
- B01J2208/00654—Controlling the process by measures relating to the particulate material
- B01J2208/00681—Agglomeration
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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
- C07C2523/02—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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- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
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Abstract
Description
1은 저온, 높은 증기 대 오일 비에 대한 반응기 온도 대 에틸벤젠의 변환율 플롯을 도시한다.
도 2는 상이한 촉매의 셧다운 절차에 대한 평균 크러쉬 강도(average crush strength) 대 온도의 플롯을 도시한다.
Claims (20)
- 스티렌으로의 에틸벤젠의 탈수소화를 촉진시키도록(catalyze) 적응된 촉매 및 증기의 존재하에 에틸벤젠이 스티렌으로 탈수소화되는 반응기를 셧다운(shutdown)시키는 단계를 포함하는 방법으로서, 상기 반응기를 셧다운시키는 단계는,
상기 반응기의 온도를 감소시키는 단계;
퍼지 스트림을 형성하기 위해 상기 반응기로의 입력 스트림의 증기 대 에틸벤젠 몰 비(steam-to-ethylbenzene molar ratio)를 증가시키는 단계; 및
상기 퍼지 스트림을 상기 반응기에 공급하는 단계를 포함하는, 방법. - 제 1 항에 있어서, 상기 반응기를 셧다운시키는 단계는 증기-단독 퍼지 스트림(steam-only purge stream)을 사용하지 않고 수행되는, 방법.
- 제 1 항에 있어서, 상기 퍼지 스트림을 상기 반응기에 공급하는 단계 이후에, 상기 반응기의 온도를 추가로 감소시키는 단계를 더 포함하는, 방법.
- 제 3 항에 있어서, 상기 반응기의 온도를 추가로 감소시키면서 상기 반응기에 상기 퍼지 스트림의 공급을 계속하는 단계를 더 포함하는, 방법.
- 제 3 항에 있어서, 상기 반응기의 온도를 추가로 감소시키는 단계 이전에 상기 반응기로의 상기 퍼지 스트림의 공급을 중단시키는 단계를 더 포함하는, 방법.
- 제 3 항에 있어서, 상기 반응기로의 상기 퍼지 스트림의 공급을 중단시키고, 상기 반응기에 불활성 가스 퍼지 스트림을 공급하는 단계를 더 포함하는, 방법.
- 제 6 항에 있어서, 상기 반응기에 불활성 가스 퍼지 스트림을 공급하는 단계 이후에, 상기 반응기의 온도를 추가로 감소시키는 단계를 더 포함하는, 방법.
- 제 1 항에 있어서, 증기-단독 퍼지 스트림(steam-only purge stream)을 형성하기 위해 상기 반응기에 에틸벤젠의 도입을 중단시키고, 상기 증기-단독 퍼지 스트림을 상기 반응기에 공급하는 단계를 더 포함하는, 방법.
- 제 8 항에 있어서, 상기 반응기의 온도는 상기 증기-단독 퍼지 스트림을 상기 반응기에 공급하는 단계 이후에 더 감소되는, 방법.
- 제 1 항에 있어서, 상기 퍼지 스트림은 12:1 내지 50:1의 증기 대 에틸벤젠 몰 비를 갖는, 방법.
- 제 1 항에 있어서, 상기 반응기의 온도는 650℃ 미만에서 360℃까지의 범위로 감소되는, 방법.
- 제 1 항에 있어서, 상기 퍼지 스트림의 상기 증기 대 에틸벤젠 몰 비는, 상기 반응기의 셧다운 중에 상기 반응기의 온도가 550℃ 내지 450℃의 범위 내에 있는 동안 12:1 내지 50:1로 계속 유지되는, 방법.
- 제 1 항에 있어서, 상기 촉매는 칼륨 촉진 산화철(potassium promoted iron oxide)을 포함하는 방법.
- 제 1 항에 있어서, 상기 반응기를 셧다운시키는 단계 이후에, 상기 촉매 또는 그의 응집된 촉매 입자는 상기 반응기를 셧다운시키기 이전에 상기 촉매에 의해 나타나는 평균 크러쉬 강도(average crush strength)보다 낮은 평균 크러쉬 강도를 나타내는, 방법.
- 제 1 항에 있어서, 상기 퍼지 스트림의 상기 증기 대 에틸벤젠 몰 비는, 상기 퍼지 스트림이 불활성 가스 퍼지 스트림으로 대체될 때까지 상기 퍼지 스트림이 반응기로 도입되는 시간으로부터 12:1 내지 50:1로 계속해서 유지되는, 방법.
- 스티렌으로의 에틸벤젠의 탈수소화를 촉진시키도록 적응된 촉매의 존재하에 에틸벤젠이 스티렌으로 탈수소화되는 반응기를 셧다운(shutdown)시키는 단계를 포함하는 방법으로서, 상기 촉매는 칼륨을 포함하고, 상기 반응기를 셧다운시키는 단계는,
상기 반응기의 온도를 감소시키는 단계;
퍼지 스트림을 형성하기 위해 상기 반응기로의 입력 스트림의 증기 대 에틸벤젠 몰 비(steam-to-ethylbenzene molar ratio)를 증가시키는 단계;
상기 퍼지 스트림을 상기 반응기에 공급하는 단계; 및
상기 반응기에 상기 퍼지 스트림의 공급을 중단하고, 상기 반응기에 불활성 가스 퍼지 스트림을 공급하는 단계를 포함하고, 상기 반응기를 셧다운시키는 단계는 증기-단독 퍼지 스트림(steam-only purge stream)을 사용하지 않고 수행되는, 방법. - 스티렌으로의 에틸벤젠의 탈수소화를 촉진시키도록 적응된 촉매의 존재하에 에틸벤젠이 스티렌으로 탈수소화되는 반응기를 셧다운(shutdown)시키는 단계를 포함하는 방법으로서, 상기 반응기를 셧다운시키는 단계는,
상기 반응기의 온도를 감소시키는 단계; 및
증기를 포함하는 상기 반응기에 퍼지 스트림을 공급하는 단계를 포함하고, 상기 퍼지 스트림은,
상기 퍼지 스트림은 H2, CO2, 스티렌 또는 그의 조합물을 더 포함하는, 방법. - 제 17 항에 있어서, 상기 퍼지 스트림은 H2를 포함하는, 방법.
- 제 17 항에 있어서, 상기 퍼지 스트림은 CO2를 포함하는, 방법.
- 제 17 항에 있어서, 상기 퍼지 스트림은 스티렌을 포함하는, 방법.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US14/642,204 | 2015-03-09 | ||
| US14/642,204 US9623392B2 (en) | 2015-03-09 | 2015-03-09 | Catalyst agglomeration remediation |
| PCT/US2015/019461 WO2016144315A1 (en) | 2015-03-09 | 2015-03-09 | Catalyst agglomeration remediation |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| KR20170127491A true KR20170127491A (ko) | 2017-11-21 |
| KR102349195B1 KR102349195B1 (ko) | 2022-01-10 |
Family
ID=56879254
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1020177027680A Expired - Fee Related KR102349195B1 (ko) | 2015-03-09 | 2015-03-09 | 촉매 응집 개선 |
Country Status (10)
| Country | Link |
|---|---|
| US (1) | US9623392B2 (ko) |
| EP (1) | EP3268338B1 (ko) |
| JP (1) | JP6701226B2 (ko) |
| KR (1) | KR102349195B1 (ko) |
| CN (1) | CN107406343B (ko) |
| BR (1) | BR112017018980B1 (ko) |
| CA (1) | CA2978867C (ko) |
| EA (1) | EA036034B1 (ko) |
| TW (1) | TWI723971B (ko) |
| WO (1) | WO2016144315A1 (ko) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4347396A (en) * | 1980-03-27 | 1982-08-31 | Mitsubishi Petrochemical Co., Ltd. | Process for producing styrene |
| US5258348A (en) * | 1989-10-31 | 1993-11-02 | The Dow Chemical Company | Supported catalyst for the dehydrogenation of hydrocarbons and method for the preparation of the catalyst |
| KR20060116205A (ko) * | 2003-10-14 | 2006-11-14 | 셀 인터나쵸나아레 레사아치 마아츠샤피 비이부이 | 탈수소화 반응기 시스템의 작동 방법 |
| KR20110033229A (ko) * | 2008-06-19 | 2011-03-30 | 루머스 테크놀로지 인코포레이티드 | 스티렌으로 되도록 하기 위한 에틸벤젠 탈수소화를 위한 배합 이산화탄소 및 산소 공정 |
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| JPH04134038A (ja) * | 1990-09-25 | 1992-05-07 | Asahi Chem Ind Co Ltd | アルケニルベンゼンの製造方法 |
| US5461179A (en) * | 1993-07-07 | 1995-10-24 | Raytheon Engineers & Constructors, Inc. | Regeneration and stabilization of dehydrogenation catalysts |
| EG22595A (en) | 1999-12-17 | 2003-04-30 | Dow Chemical Co | Dehydrogenation of an alkyl aromatic compound and catalyst regeneration in a fluidized bed reactor |
| RU2010145260A (ru) * | 2008-04-09 | 2012-05-20 | Шелл Интернэшнл Рисерч Маатсхаппий Б.В. (NL) | Способ усовершенствования процесса дегидрирования |
| US20100081855A1 (en) * | 2008-09-30 | 2010-04-01 | Fina Technology, Inc. | Semi-Supported Dehydrogenation Catalyst |
| 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 |
| KR102147009B1 (ko) * | 2013-03-14 | 2020-08-24 | 클라리언트 코포레이션 | 반응기 종료 방법 |
-
2015
- 2015-03-09 WO PCT/US2015/019461 patent/WO2016144315A1/en not_active Ceased
- 2015-03-09 EP EP15884843.2A patent/EP3268338B1/en not_active Not-in-force
- 2015-03-09 US US14/642,204 patent/US9623392B2/en not_active Expired - Fee Related
- 2015-03-09 KR KR1020177027680A patent/KR102349195B1/ko not_active Expired - Fee Related
- 2015-03-09 CN CN201580077616.1A patent/CN107406343B/zh not_active Expired - Fee Related
- 2015-03-09 EA EA201700421A patent/EA036034B1/ru not_active IP Right Cessation
- 2015-03-09 BR BR112017018980-1A patent/BR112017018980B1/pt not_active IP Right Cessation
- 2015-03-09 CA CA2978867A patent/CA2978867C/en not_active Expired - Fee Related
- 2015-03-09 JP JP2017547518A patent/JP6701226B2/ja not_active Expired - Fee Related
- 2015-12-24 TW TW104143628A patent/TWI723971B/zh not_active IP Right Cessation
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4347396A (en) * | 1980-03-27 | 1982-08-31 | Mitsubishi Petrochemical Co., Ltd. | Process for producing styrene |
| US5258348A (en) * | 1989-10-31 | 1993-11-02 | The Dow Chemical Company | Supported catalyst for the dehydrogenation of hydrocarbons and method for the preparation of the catalyst |
| KR20060116205A (ko) * | 2003-10-14 | 2006-11-14 | 셀 인터나쵸나아레 레사아치 마아츠샤피 비이부이 | 탈수소화 반응기 시스템의 작동 방법 |
| KR20110033229A (ko) * | 2008-06-19 | 2011-03-30 | 루머스 테크놀로지 인코포레이티드 | 스티렌으로 되도록 하기 위한 에틸벤젠 탈수소화를 위한 배합 이산화탄소 및 산소 공정 |
Also Published As
| Publication number | Publication date |
|---|---|
| US9623392B2 (en) | 2017-04-18 |
| EP3268338A4 (en) | 2018-10-24 |
| CN107406343A (zh) | 2017-11-28 |
| BR112017018980B1 (pt) | 2020-10-06 |
| TWI723971B (zh) | 2021-04-11 |
| EP3268338A1 (en) | 2018-01-17 |
| CN107406343B (zh) | 2021-10-26 |
| WO2016144315A1 (en) | 2016-09-15 |
| EP3268338B1 (en) | 2021-01-06 |
| EA036034B1 (ru) | 2020-09-16 |
| EA201700421A1 (ru) | 2018-02-28 |
| CA2978867C (en) | 2020-10-13 |
| CA2978867A1 (en) | 2016-09-15 |
| US20160263543A1 (en) | 2016-09-15 |
| TW201638057A (zh) | 2016-11-01 |
| JP2018509414A (ja) | 2018-04-05 |
| BR112017018980A2 (pt) | 2018-05-22 |
| JP6701226B2 (ja) | 2020-05-27 |
| KR102349195B1 (ko) | 2022-01-10 |
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