KR970701686A - 메타크롤레인의 제조 방법(Method for Producing Methacrolein) - Google Patents

메타크롤레인의 제조 방법(Method for Producing Methacrolein)

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KR970701686A
KR970701686A KR1019960705233A KR19960705233A KR970701686A KR 970701686 A KR970701686 A KR 970701686A KR 1019960705233 A KR1019960705233 A KR 1019960705233A KR 19960705233 A KR19960705233 A KR 19960705233A KR 970701686 A KR970701686 A KR 970701686A
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catalyst composition
formula
mixture
methacrolein
condition
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KR1019960705233A
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KR100186659B1 (ko
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오사무 나가노
도루 와따나베
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유미꾸라 레이이찌
아사히 가세이 고교 가부시끼가이샤
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Abstract

본 발명은 이소부틸렌 및 3급-부탄올로 이루어지는 군으로부터 선택된 성분 1종 이상을, 산화 촉매 조성물의 존재 하에, 분자상 산소 함유 기체를 사용하여 기상 접촉 산화시켜 메타크롤레인을 제조하는 방법에 관한 것이고, 여기에서 상기 산화 촉매 조성물의 화학식(Ⅰ) Mo12BiaCebKcFedAeBfOg(여기에서, A는 Co 단독이거나, 또는 Co와 Mg와의 혼합물이고, 상기 혼합물 중에서 Mg의 Co에 대한 원자 비율은 0.7 이하이고, B는 Rb, Cs 또는 이들의 혼합물이고, a, b, c, d, e, f 및 g는 각각 Mo 12원자에 대한 Bi, Ce, K, Fe, A, B 및 O의 원자 비율을 나타낸다)로 나타내고, 각 원소의 원자비(a~f) 및 각 원소 Bi, Ce, K 및 Fe의 함유량 및 상대량비가 특정 범위에서 설정된 산화물 촉매 조성물을 사용함을 특징으로 하는 메타크롤레인의 제조 방법을 개시하고 있다. 본 발명의 방법에서 산화물 촉매 조성물은 비교적 간단한 조성을 갖고 따라서 그 제조가 간단해질 수 있으며, 환경 문제상 바람직하지 않은 원소 및 독성 원소를 함유하지 않으며, 또한 균일한 촉매의 제조상 불리한 용해도가 낮은 W, Sb 및 Nb 등의 화합물을 원료로서 함유하지 않지만, 이의 사용에 의해 열안정성 및 내환원성이 우수하기 때문에 촉매 수명이 연장될 뿐만 아니라, 메타크롤레인에 대한 선택률에서도 우수한 촉매 조성물을 사용하여 메타크롤레인을 안정하게 고수율로 제조하는 것이 가능해진다.

Description

메타크롤레인의 제조 방법(Method for Producing Methacrolein)
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음

Claims (6)

  1. 이소부틸렌 및 3급-부탄올로 이루어지는 군으로부터 선택된 원소 1종 이상을 분자상 산소 함유 기체를 사용하여 기상 접촉 산화시켜 메타크롤레인을 제조하는 방법에 있어서, 하기 화학식(Ⅰ)로 나타낸 산화물 촉매 조성물을 사용하는 것을 특징으로 하는 메타크롤레인의 제조방법 :
    Mo12BiaCebKcFedAeBfOg(Ⅰ)
    상기식에서, A는 코발트 단독이거나, 또는 코발트와 마그네슘과의 혼합물이고, 상기 혼합물 중에서 코발트에 대한 마그네슘의 원자 비율은 0.7 이하이고, B는 루비듐, 세슘 또는 이들의 혼합물이고, a, b, c, d, e, f 및 g는 각각 몰리브덴 12원자에 대한 비스푸드, 세륨, 칼륨, 철, A, B 및 산소의 원자 비율을 나타내고, a는 0<a≤8이고, b는 0<b≤8이고, c는 0<c≤1.2이고, d는 0<d≤2.5이고, e는 1.0<e≤12이고, f는 0<f≤2.0이고, g는 존재하는 나머지 원소의 원자가 조건을 만족시키는데 필요한 산소 원자 수이고, a, b, c 및 d는 하기식 : 0.05≤b(a+b+c)≤0.7, 0<c/(a+b+c)≤0.4 및 0<d/(a+b+d)≤0.9의 조건을 만족시킨다.
  2. 제1항에 있어서, 상기 A가 코발트 단독인 방법.
  3. 제1항에 있어서, 산화물 촉매 조성물이 다공질이고, 포어 직경 1㎛ 이하의 포어의 포어 용적이 합계가 상기 산화물 촉매 조성물의 총 포어 용적을 기준하여 95% 이상인 포어 직경 분포를 갖는 방법.
  4. 제1항에 있어서, 화학식(Ⅰ)에서 a, b 및 c가 식 0.1≤b/(a+b+c)≤0.5의 조건을 만족시키는 방법.
  5. 제1항에 있어서, 화학식(Ⅰ)에서 a, b 및 c가 식 0.02≤c/(a+b+c)≤0.2의 조건을 만족시키는 방법.
  6. 제1항에 있어서, 화학식(Ⅰ)에서 a, b 및 d가 식 0.1≤d/(a+b+d)≤0.5의 조건을 만족시키는 방법.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019960705233A 1994-06-22 1995-06-21 메타크롤레인의 제조 방법 KR100186659B1 (ko)

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JP14015194 1994-06-22
JP94-140151 1994-06-22
PCT/JP1995/001234 WO1995035273A1 (fr) 1994-06-22 1995-06-21 Procede de production de methacroleine

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US (1) US5728894A (ko)
EP (1) EP0767161B1 (ko)
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CN (1) CN1046499C (ko)
DE (1) DE69513172T2 (ko)
ES (1) ES2140684T3 (ko)
MY (1) MY117568A (ko)
TW (1) TW299316B (ko)
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WO1995035273A1 (fr) 1995-12-28
TW299316B (ko) 1997-03-01
DE69513172T2 (de) 2000-08-24
MY117568A (en) 2004-07-31
US5728894A (en) 1998-03-17
KR100186659B1 (ko) 1999-05-15
CN1046499C (zh) 1999-11-17
EP0767161B1 (en) 1999-11-03
EP0767161A4 (en) 1997-09-17
CN1143946A (zh) 1997-02-26
ES2140684T3 (es) 2000-03-01
EP0767161A1 (en) 1997-04-09

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