KR960010606A - 아크릴산으로의 아크롤레인의 촉매적 기체-상 산화 방법 - Google Patents

아크릴산으로의 아크롤레인의 촉매적 기체-상 산화 방법 Download PDF

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KR960010606A
KR960010606A KR1019950029656A KR19950029656A KR960010606A KR 960010606 A KR960010606 A KR 960010606A KR 1019950029656 A KR1019950029656 A KR 1019950029656A KR 19950029656 A KR19950029656 A KR 19950029656A KR 960010606 A KR960010606 A KR 960010606A
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exchange medium
heat exchange
reactor
contact tube
point
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KR100307258B1 (ko
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루펠 빌헬름
베게를레 울리케
텐텐 안드레아스
함몬 울리히
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랑핑어, 슈타인호프
바스프 악티엔게젤샤프트
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    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C57/00Unsaturated compounds having carboxyl groups bound to acyclic carbon atoms
    • C07C57/02Unsaturated compounds having carboxyl groups bound to acyclic carbon atoms with only carbon-to-carbon double bonds as unsaturation
    • C07C57/03Monocarboxylic acids
    • C07C57/04Acrylic acid; Methacrylic acid
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J8/00Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes
    • B01J8/02Chemical 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
    • B01J8/06Chemical 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
    • B01J8/067Heating or cooling the reactor
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C51/00Preparation of carboxylic acids or their salts, halides or anhydrides
    • C07C51/16Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation
    • C07C51/21Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation with molecular oxygen
    • C07C51/25Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation with molecular oxygen of unsaturated compounds containing no six-membered aromatic ring
    • C07C51/252Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation with molecular oxygen of unsaturated compounds containing no six-membered aromatic ring of propene, butenes, acrolein or methacrolein
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2208/00Processes carried out in the presence of solid particles; Reactors therefor
    • B01J2208/00008Controlling the process
    • B01J2208/00017Controlling the temperature
    • B01J2208/00106Controlling the temperature by indirect heat exchange
    • B01J2208/00168Controlling the temperature by indirect heat exchange with heat exchange elements outside the bed of solid particles
    • B01J2208/00212Plates; Jackets; Cylinders

Abstract

본 발명은 먼저 전반적으로 반응 영기 위로 세로로 통과하는 다중 접촉 고정층 반응기를 통해 반응 혼합물과 병류로 접촉관까지 열 교환 매체를 통과시키고, 두번째로 통로 교차 단면을 자유롭게 빠져 나가는 접촉관을 따라 연속 배풀의 배열에 의해 반응 영기 내에서의 가로 흐름을 겹치게 하여, 관 다발을 통해 세로 단면에 나타나는 열 교환 매체의 평균 흐름을 제공하며, 온도가 반응기 내로 도입 지점 및 반응기 밖으로의 배출지점 사이에서 2 내지 10℃까지 상승하도록 순환된 열-교환 매체의 유속을 고정시키는 것으로 이루어지는 95몰% 이상의 단일 통과에 대한 아크롤레인 전환율 및 90몰% 이상의 아크릴산 생성 선택도를 가지고, 접촉관을 둘러싸는 공간을 통해 단지 하나의 열교환 매체 주변을 상승된 온도에서 촉매적으로 활성인 다금속 산화물 위로 통과시킴에 의한, 다중 접촉관 고정층 반응기에서의 아크릴산으로의 아크롤레인 촉매적 기체-상 산화를 위한 방법에 관한 것이다.

Description

아크릴상으로의 아크롤레인으 촉매적 기체-상 산화 방법.
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음

Claims (17)

  1. 먼저 전반적으로 반응 용기 위로 세로로 통과하는 다중 접촉 고정층 반응기를 통해 반응 혼합물과 병류로 접촉관까지 열 교환 매체를 통과시키고,두 번째로 통로 교차 단면을 자유롭게 빠져 나가는 접촉관을 따라 연속 배플의 배열에 의해 반응 용기 내에서의 가로 흐름을 겹치게 하여, 관 다발을 통해 세로 단면에 나타나는 열교환 매체의 평균 흐름을 제공하며, 온도가 반응기 내로의 도입 지점 및 반응기 밖으로의 배출 지점 사이에서 2 내지 10℃까지 상승하도록 순환된 열-교환 매체의 유속을 고정시키는 것으로 이루어지는, 95몰% 이상의 단일 통과에 대한 아크롤레인 전환율 및 90몰% 이상으 아크릴산 생성 선택도를 가지고, 접촉관을 둘러싸는 공간을 통해 단지 하나의 열교환 매체 주변을 상승된 온도에서 촉매적으로 활성인 다금속 산화물 위로 통과시킴에 의한, 다중 접촉관 고정층 반응기에서의 아크릴산으로의 아크롤레인 촉매적 기체-상 산화를 위한 방법.
  2. 제1항에 있어서, 열 교환 매체의 온도가 반응기내로의 도입 지점과 반응기 밖으로의 배출 지점 사이에서 3 내지 8℃까지 상승함을 특징으로 하는 방법.
  3. 제2항에 있어서, 열 교환 매체의 온도가 반응기 내로의 도입 지점과 반응기 밖으로의 배출 지점 사이에서 4 내지 6℃까지 상승함을 특징으로 하는 방법.
  4. 제1항에 있어서, 중심 및 외부 주변에서 교호적으로 통로 교차 단면이 자유롭게 빠져 나가도록 배플의 배열이 사용됨(부가적 특징a)을 특징으로 하는 방법.
  5. 제1항에 있어서, 환형 방식으로 배열된 자유 중심 공간이 사용됨을 특징으로 하는 방법.
  6. 제5항에 있어서, 자유 중심 공간의 직경이 반응기 내부 직경의 10내지 30%임(부가적 특징b)을 특징으로 하는 방법.
  7. 제1항에 있어서, 접촉관이 밀봉 방식으로 배플에 부착되지 않지만, 대신에, 접촉관과 배플 사이에 틈이 존재함을 특징으로 하는 방법.
  8. 제7항에 있어서, 2개의 연속 배플 사이에 위치한 영역 내에서 열 교환 매체의 가로 유속이 매우 일정할 정도로 틈 폭이 고정됨(부가적 특징c)을 특징으로 하는 방법.
  9. 제1항에 있어서, 배플이 비-동거리 배열이 영역 내의 수평 단면에서 온도차 및 압력 강하를 제한함(부가적 특징d)을 특징으로 하는 방법.
  10. 제1항에 있어서, 반응 용기의 2개의 말단에 부착되고, 이것으 ㅣ전체 주변 위로 분포된 윈도우를 갖는 고리형 파이프라인을 통해 열 교환매체의 도입 침 배출이 수행되며, 윈도우 오프닝은 똑같은 양의 열-교환매체가 단위 시간당 각각의 윈도우를 통해 통과함(부가적 특징e)을 특징으로 하는 방법.
  11. 제1항에 있어서, 20 내지 50몰%으 아크롤레인 전환율에서 열교환 매체의 일부량이 제거됨을 특징으로 하는 방법.
  12. 제11항에 있어서, 제거가 30 내지 40몰%으 아크롤레인 전환율에서 수행됨을 특징으로 하는 방법.
  13. 제11항 또는 12항에 있어서, 제거되는 열 교환 매체의 양이 공급되는 열 교환 매체의 전체량의 30내지 70%임(부가적 특징f)을 특징으로 하는 방법.
  14. 제1항에 있어서, 열 교환 매체으 ㅣ도입 온도까지 예열한 후에, 촉매 충전물에 반응-기체 혼합물이 공급됨(부가적 특징 g)을 특징으로 하는 방법.
  15. 제1항에 있어서, 상기 부가적 특징 a 내지 g가 동시에 적용됨을 특징으로 하는 방법.
  16. 제1항에 있어서, 촉매 충전물이 산화물 형태로 몰리부덴 및 비스무트로 이루어진 다금속 산화물 촉매로 이루어짐을 특징으로 하는 방법.
  17. 제1항에 있어서, 열 교환 매체가 60중량%의 질산 칼륭(KNO3)및 40중량%의 아질산 나트륨(NaNO2)로 구성된 염 용융물임을 특징으로 하는 방법.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019950029656A 1994-09-08 1995-09-07 아크롤레인에서아크릴산으로의기체상촉매산화방법 KR100307258B1 (ko)

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Application Number Priority Date Filing Date Title
DE4431949A DE4431949A1 (de) 1994-09-08 1994-09-08 Verfahren zur katalytischen Gasphasenoxidation von Acrolein zu Acrylsäure
DEP4431949.5 1994-09-08

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US (1) US5739391A (ko)
EP (1) EP0700893B1 (ko)
JP (1) JP3869872B2 (ko)
KR (1) KR100307258B1 (ko)
CN (1) CN1083421C (ko)
CA (1) CA2157632A1 (ko)
CZ (1) CZ294400B6 (ko)
DE (2) DE4431949A1 (ko)
ES (1) ES2112591T3 (ko)
MY (1) MY112478A (ko)
TW (1) TW300885B (ko)

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