KR100650037B1 - 개선된 용량을 갖는, 프로필렌으로부터 아크릴산 제조를 위한 단일 반응기 방법 - Google Patents
개선된 용량을 갖는, 프로필렌으로부터 아크릴산 제조를 위한 단일 반응기 방법 Download PDFInfo
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- KR100650037B1 KR100650037B1 KR1019990007699A KR19990007699A KR100650037B1 KR 100650037 B1 KR100650037 B1 KR 100650037B1 KR 1019990007699 A KR1019990007699 A KR 1019990007699A KR 19990007699 A KR19990007699 A KR 19990007699A KR 100650037 B1 KR100650037 B1 KR 100650037B1
- Authority
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- South Korea
- Prior art keywords
- reaction
- reactor
- heat transfer
- propylene
- acrylic acid
- Prior art date
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- 125000004805 propylene group Chemical group [H]C([H])([H])C([H])([*:1])C([H])([H])[*:2] 0.000 title claims abstract description 110
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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
- B01J8/00—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes
- B01J8/02—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
- 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
- B01J8/067—Heating or cooling the reactor
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
- C07C51/16—Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation
- C07C51/21—Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation with molecular oxygen
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Abstract
Description
Claims (38)
- (A)(ⅰ) 프로필렌 7부피%이상,(ⅱ) 산소,(ⅲ) 수증기, 및(ⅳ) 질소, 이산화탄소, 헬륨, 아르곤, 프로판, 일산화탄소 및 그 혼합물로 구성된 그룹에서 선택된 50 내지 99.9 부피%의 불활성 기체를 함유하는 나머지 물질을 포함하는 반응 조성물을 반응기내로 공급하는 단계,(상기 반응기는 최소 하나의 촉매를 함유하고, 셀(shell) 내에 배치된, 복수의 접촉관을 포함하며, 상기 반응기 셀의 내부는 각각을 통해 열 전달 매체가 통과하는 제1 및 제2 열 전달 영역으로 나뉘어지고, 각 접촉관은 프로필렌으로부터 아크릴산을 제조할 수 있는 2이상의 반응 영역을 포함하여 이루어진다); 및(B) 상기 반응 조성물을 상기 2이상의 반응 영역과 접촉시켜 아크릴산 함유한 혼합된 생성물 기체를 형성하는 단계를 포함하는 프로필렌의 아크릴산으로의 증기상 산화 방법.
- 제1항에 있어서, 상기 반응 조성물은 프로필렌 7.01∼11부피%를 함유함을 특징으로 하는 방법.
- 제1항에 있어서, 상기 반응 조성물내에서 산소는 산소/프로필렌 비가 1.6∼2.0:1.0을 제공하는 양으로 존재함을 특징으로 하는 방법.
- 제1항에 있어서, 상기 반응 조성물은 수증기를 2∼12부피%함유함을 특징으로 하는 방법.
- 제1항에 있어서, 상기 열 전달 영역은 촉매 접촉관이 통과하는 최소 하나의 관통된 관 시이트에 의해 형성됨을 특징으로 하는 방법.
- 제1항에 있어서, 상기 2이상의 반응 영역은 최소한 프로필렌을 아크롤레인으로 촉매 산화할 수 있는 촉매를 함유하는 반응 영역 A와 최소한 아크롤레인을 아크릴산으로 촉매 산화할 수 있는 촉매를 함유하는 반응 영역 B를 포함함을 특징으로 하는 방법.
- 제6항에 있어서, 상기 2이상의 반응 영역은 중첩될 수 있음을 특징으로 하는 방법.
- 제6항에 있어서, 상기 반응 영역 A와 B는 반응물이 먼저 반응 영역 A에 접촉한 다음 반응 영역 B에 접촉하도록 순차적으로 반응기 관내에 배치됨을 특징으로 하는 방법.
- 제1항에 있어서, 상기 2이상의 반응 영역은 최소한 프로필렌을 아크롤레인으로 촉매 산화할 수 있는 하나 이상의 촉매를 함유하는 반응 영역 A와 A', 및 최소한 아크롤레인을 아크릴산으로 촉매 산화할 수 있는 하나 이상의 촉매를 함유하는 반응 영역 B와 B'를 포함함을 특징으로 하는 방법.
- 제9항에 있어서, 상기 반응 영역 A와 A'는 프로필렌을 아크롤레인으로 전환하기 위한 서로 다른 촉매 활성을 가짐을 특징으로 하는 방법.
- 제10항에 있어서, 상기 반응 영역 B와 B'는 아크롤레인을 아크릴산으로 전환하기 위한 서로 다른 촉매 활성을 가짐을 특징으로 하는 방법.
- 제6항에 있어서, 상기 접촉관은 나아가 제1 및 제2 반응 영역사이에 배치된, 촉매를 0% 함유한 반응 영역을 포함함을 특징으로 하는 방법.
- 제9항에 있어서, 상기 접촉관은 나아가 반응 영역 A'와 B사이에 배치된, 촉매를 0% 함유한 반응 영역을 포함함을 특징으로 하는 방법.
- 제1항에 있어서, 상기 반응기는 15,000개이상의 접촉관을 포함함을 특징으로 하는 방법.
- 제9항에 있어서, 상기 A'/A 및 B'/B의 비는 모두 1.0:1∼3.0:1임을 특징으로 하는 방법.
- 제1항에 있어서, 상기 제1 열 전달 영역은 250∼450℃의 온도로 유지됨을 특징으로 하는 방법.
- 제1항에 있어서, 상기 제2 열 전달 영역은 220∼450℃의 온도로 유지됨을 특징으로 하는 방법.
- 제1항에 있어서, 상기 열 전달 매체는 반응물의 흐름과 병류(cocurrent)로 반응기내를 순환함을 특징으로 하는 방법.
- 제1항에 있어서, 상기 열 전달 매체는 반응물의 흐름과 역류(countercurrent)로 반응기내를 순환함을 특징으로 하는 방법.
- 제1항에 있어서, 상기 열 전달 매체는 최소 2개의 별도의 열 전달 매체 회로내에서 반응기내를 순환함을 특징으로 하는 방법.
- 제1항에 있어서, 상기 열 전달 매체는 복수의 유입 지점에서 셀을 통하여 반응기에 유입됨을 특징으로 하는 방법.
- 제18항에 있어서, 상기 열 전달 매체는 반응물과 함께 흐르면서 그리고 반응기의 중심으로 부터 멀리 그리고 반응기의 중심을 향하여 꼬불꼬불하게(meandering) 반응기내를 순환함을 특징으로 하는 방법.
- 제20항에 있어서, 상기 열 전달 매체 회로의 냉각 회로를 포함하고, 이에 따라 열 전달 매체 회로의 열 전달 매체의 일부가 냉각을 위하여 반응기의 외부로 순환된 다음 최소 하나의 열 전달 매체 회로로 회귀됨을 특징으로 하는 방법.
- 제20항에 있어서, 상기 열 전달 매체는 최소 2개의 별도의 열 전달 매체 회로에서 반응기내를 순환하며, 최소 그중 하나는 열 전달 매체의 최소 일부가 접촉관의 최소 일부와 바이패스 접촉하도록 순환하는 바이패스 회로임을 특징으로 하는 방법.
- 제1항에 있어서, 나아가 상기 혼합된 생성물 기체와 흡수탑내 수성 스트림을 접촉시켜 아크릴산 수용액을 얻는 단계(C)를 포함함을 특징으로 하는 방법.
- 제25항에 있어서, 상기 단계(C)도중 생성된 흡수기 배가스의 최소 일부는 반응물과 혼합되어 반응 조성물을 형성함을 특징으로 하는 방법.
- 제26항에 있어서, 공급된 흡수기 배가스 부분은 반응 조성물에서 프로필렌 7부피%이상을 유지하기에 적절한 양임을 특징으로 하는 방법.
- 제25항에 있어서, 상기 수성 스트림은 물 및 최소 하나의 중합 억제제로 이루어짐을 특징으로 하는 방법.
- 제28항에 있어서, 상기 최소 하나의 중합 억제제는 수용성 혹은 알코올 용해성 중합 억제제로부터 선택됨을 특징으로 하는 방법.
- 제28항에 있어서, 상기 최소 하나의 중합 억제제는 산소와 함께 사용됨을 특징으로 하는 방법.
- 제25항에 있어서, 상기 수성 스트림은 아세트산 3.0중량%이하를 포함함을 특징으로 하는 방법.
- 제31항에 있어서, 상기 수성 스트림중 최소 일부는 재순환된 폐수 스트림임을 특징으로 하는 방법.
- 제25항에 있어서, 나아가 흡수기로부터 나오는 아크릴산 수용액으로부터 라이트 엔드(light ends)를 스트리핑하는 단계(D)를 포함함을 특징으로 하는 방법.
- (A) (ⅰ)프로필렌,(ⅱ) 산소,(ⅲ) 수증기, 및(ⅳ) 질소, 이산화탄소, 헬륨, 아르곤, 프로판, 일산화탄소 및 그 혼합물로 구성된 그룹에서 선택된 50 내지 99.9 부피%의 불활성 기체, 및 연료로서 사용하기에 적절한 프로판, 에탄, 메탄, 부탄, 펜탄 및 그의 혼합물로 구성된 그룹에서 선택된 0.001 내지 49.9 부피%의 불활성 기체로 구성된 나머지 물질을 포함하는 반응 조성물을 반응기내로 공급하는 단계,(상기 반응기는 최소 하나의 촉매를 함유하고, 셀 내에 배치된, 복수의 접촉관을 포함하며, 상기 반응기 셀의 내부는 각각 열 전달 매체가 통과하는 제1 및 제2 열 전달 영역으로 나뉘어지고, 여기서 각 접촉관은 프로필렌으로부터 아크릴산을 제조할 수 있는 2이상의 반응 영역을 포함한다); 및(B) 상기 반응 조성물을 2이상의 반응 영역과 접촉시켜 아크릴산을 함유한 혼합된 생성물 기체를 형성하는 단계를 포함하는 프로필렌의 아크릴산으로의 증기상 산화 방법.
- (A)(ⅰ) 프로필렌 7부피%이상,(ⅱ) 산소,(ⅲ) 수증기 및(ⅳ) 질소, 이산화탄소, 헬륨, 아르곤, 프로판, 일산화탄소 및 그 혼합물로 구성된 그룹에서 선택된 50 내지 99.9 부피%의 불활성 기체로 구성된 나머지 물질을 포함하는 반응 조성물을 반응기내로 공급하는 단계,(상기 반응기는 최소 하나의 촉매를 함유하고, 셀 내에 배치된, 복수의 접촉관을 포함하며, 상기 반응기 셀의 내부는 각각 열 전달 매체가 반응 조성물 흐름과 병류(cocurrent)로 통과하는 제1 및 제2 열 전달 영역으로 나뉘어지며,여기서 각 접촉관은 프로필렌을 아크롤레인으로 촉매 산화시킬 수 있는 하나 이상의 촉매를 함유하는 반응 영역 A 및 A', 아크롤레인을 아크릴산으로 촉매 산화시킬 수 있는 하나 이상의 촉매를 함유하는 반응 영역 B 및 B', 및 열전달성을 갖고, 촉매 0%이며, 반응 영역 A'와 B사이에 배치된 표면적이 큰 물질을 함유하는 반응 영역 C로 이루어지며,여기서 상기 반응 영역 A와 A'는 프로필렌을 아크롤레인으로 전환시키기 위한 서로 다른 촉매 활성을 갖으며, 반응 영역 B와 B'는 아크롤레인을 아크릴산으로 전환시키기 위한 서로 다른 촉매 활성을 갖는다); 및(B) 상기 반응 조성물을 2이상의 반응 영역과 접촉시켜 아크릴산 함유 혼합된 생성물 기체를 형성하는 단계를 포함하는 프로필렌의 아크릴산으로의 증기상 산화 방법.
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JP4648515B2 (ja) * | 2000-05-02 | 2011-03-09 | 株式会社日本触媒 | 反応器のスタートアップ方法 |
AU2001278449A1 (en) | 2000-06-14 | 2001-12-24 | Basf Aktiengesellschaft | Method for producing acrolein and/or acrylic acid |
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- 1999-02-24 EP EP99301356A patent/EP0990636B1/en not_active Revoked
- 1999-02-24 DE DE69910930T patent/DE69910930T2/de not_active Revoked
- 1999-02-25 MX MXPA99001856A patent/MXPA99001856A/es active IP Right Grant
- 1999-02-26 TW TW088102944A patent/TWI239328B/zh not_active IP Right Cessation
- 1999-03-02 BR BR9900847-5A patent/BR9900847A/pt not_active Application Discontinuation
- 1999-03-09 KR KR1019990007699A patent/KR100650037B1/ko not_active IP Right Cessation
- 1999-03-17 CN CNB991040244A patent/CN1312104C/zh not_active Expired - Lifetime
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EP0990636A1 (en) | 2000-04-05 |
BR9900847A (pt) | 2000-05-09 |
KR20000022591A (ko) | 2000-04-25 |
DE69910930T2 (de) | 2004-07-22 |
EP0990636B1 (en) | 2003-09-03 |
CN1249300A (zh) | 2000-04-05 |
DE69910930D1 (de) | 2003-10-09 |
MXPA99001856A (es) | 2005-07-15 |
TWI239328B (en) | 2005-09-11 |
US6384274B1 (en) | 2002-05-07 |
JP2000103761A (ja) | 2000-04-11 |
CN1312104C (zh) | 2007-04-25 |
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