KR102244344B1 - 금속 산화물 촉매와 그의 제조 방법 및 그의 제조 장치 - Google Patents
금속 산화물 촉매와 그의 제조 방법 및 그의 제조 장치 Download PDFInfo
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Abstract
Mo12BipFeqAaBbCcDdEeFfOx (1)
(식 중, A는 Ni 및 Co에서 선택되고, B는 알칼리 금속 원소에서 선택되며, C는 Mg, Ca, Sr, Ba, Zn 및 Mn에서 선택되고, D는 희토류 원소에서 선택되며, E는 Cr, In 및 Ga에서 선택되고, F는 Si, Al, Ti 및 Zr에서 선택되며, O는 산소이고, 0.1≤p≤5, 0.5≤q≤8, 0≤a≤10, 0.02≤b≤2, 0≤c≤5, 0≤d≤5, 0≤e≤5, 0≤f≤200이며, x는 전체의 원자가 요구를 만족하는 산소의 원자수이다.)
Description
도 2는 정지형 혼합기의 일례를 도시한 개략도이다.
Claims (14)
- 하기 식 (1)로 표시되는 벌크 조성을 갖는, 탄소수 4 이상의 모노올레핀과 분자상 산소의 산화탈수소 반응에 의해 공액 디올레핀을 제조하기 위한 금속 산화물 촉매로서,
촉매 입자 표면에 있어서의 Mo 몰 농도에 대한 Bi 몰 농도의 비율을, 촉매 벌크의 Mo 몰 농도에 대한 Bi 몰 농도의 비율로 나눈 값의 표준 편차가 0.3 이하인 공액 디올레핀을 제조하기 위한 금속 산화물 촉매:
Mo12BipFeqAaBbCcDdEeFfOx (1)
(식 중, A는 Ni 및 Co로 이루어지는 군에서 선택되는 적어도 1종의 원소, B는 알칼리 금속 원소에서 선택되는 적어도 1종의 원소, C는 Mg, Ca, Sr, Ba, Zn 및 Mn으로 이루어지는 군에서 선택되는 적어도 1종의 원소, D는 적어도 1종의 희토류 원소, E는 Cr, In 및 Ga로 이루어지는 군에서 선택되는 적어도 1종의 원소, F는 Si, Al, Ti 및 Zr로 이루어지는 군에서 선택되는 적어도 1종의 원소, O는 산소이고, p, q, a, b, c, d, e, f 및 x는 각각 Mo12 원자에 대한 Bi, Fe, A, B, C, D, E, F 및 산소의 원자수를 나타내며, 0.1≤p≤5, 0.5≤q≤8, 0≤a≤10, 0.02≤b≤2, 0≤c≤5, 0≤d≤5, 0≤e≤5, 0≤f≤200이고, x는 존재하는 다른 원소의 원자가 요구를 만족시키는 데 필요한 산소의 원자수이다.) - 제1항에 있어서, 상기 표준 편차가 0.2 이하이고, 또한 식 (1)에 있어서의 p가 0.15≤p≤3인 금속 산화물 촉매.
- 제1항 또는 제2항에 기재된 금속 산화물 촉매를 이용하여, 탄소수 4 이상의 모노올레핀과 분자상 산소의 산화탈수소 반응에 의해 공액 디올레핀을 제조하는 방법.
- 제3항에 있어서, 상기 모노올레핀이 n-부텐이고, 상기 공액 디올레핀이 1,3-부타디엔인, 공액 디올레핀을 제조하는 방법.
- 제3항에 있어서, 상기 산화탈수소 반응을 유동층 반응으로 행하는 것인, 공액 디올레핀을 제조하는 방법.
- 하기 식 (1)로 표시되는 벌크 조성을 갖는, 탄소수 4 이상의 모노올레핀과 분자상 산소의 산화탈수소 반응에 의해 공액 디올레핀을 제조하기 위한 금속 산화물 촉매의 제조 방법으로서,
(ⅰ) 적어도 Mo를 포함하는 Mo 함유액과, 적어도 Bi를 포함하는 Bi 함유액을 준비하는 공정,
(ⅱ) 상기 Mo 함유액을 제1 유로에 연속적으로 공급하고, 상기 Bi 함유액을 제2 유로에 연속적으로 공급하며, 또한 제1 유로와 제2 유로를 상기 Mo 함유액 및 상기 Bi 함유액 각각의 공급 개소보다 하류에서 합류시킴으로써, 상기 Mo 함유액과 상기 Bi 함유액을 혼합하여 MoBi 함유액을 얻는 공정, 및
(ⅲ) 상기 MoBi 함유액을 건조시키는 공정을 포함하고,
상기 (ⅱ) 공정과 상기 (ⅲ) 공정 사이에, (ⅴ) 상기 MoBi 함유액을 저류하는 공정을 추가로 가지며,
상기 (ⅰ), (ⅱ) 및 (ⅴ) 공정의 일련의 처리가 배치(batch) 처리 방식으로 행해지고, (ⅱ) 공정에서 얻어진 MoBi 함유액의 1배치분 전량이 (ⅴ) 공정에 있어서 저류되고,
상기 (ⅱ) 공정에서, 상기 Mo 함유액 및 상기 Bi 함유액의 상기 제1 유로 또는 상기 제2 유로로의 질량 공급 속도를 각각 mA(g/min) 및 mB(g/min)로 했을 때에, 상기 Mo 함유액 및 상기 Bi 함유액의 1배치당 전체 공급량 MA(g) 및 MB(g)의 합계량의 60 질량% 이상이, 식 (3)을 만족시키도록 공급되는 것인, 금속 산화물 촉매의 제조 방법:
(mB/mA)/(MB/MA) = 0.5∼1.5 (3),
Mo12BipFeqAaBbCcDdEeFfOx (1)
(식 중, A는 Ni 및 Co로 이루어지는 군에서 선택되는 적어도 1종의 원소, B는 알칼리 금속 원소에서 선택되는 적어도 1종의 원소, C는 Mg, Ca, Sr, Ba, Zn 및 Mn으로 이루어지는 군에서 선택되는 적어도 1종의 원소, D는 적어도 1종의 희토류 원소, E는 Cr, In 및 Ga로 이루어지는 군에서 선택되는 적어도 1종의 원소, F는 Si, Al, Ti 및 Zr로 이루어지는 군에서 선택되는 적어도 1종의 원소, O는 산소이고, p, q, a, b, c, d, e, f 및 x는 각각 Mo12 원자에 대한 Bi, Fe, A, B, C, D, E, F 및 산소의 원자수를 나타내며, 0.1≤p≤5, 0.5≤q≤8, 0≤a≤10, 0.02≤b≤2, 0≤c≤5, 0≤d≤5, 0≤e≤5, 0≤f≤200이고, x는 존재하는 다른 원소의 원자가 요구를 만족시키는 데 필요한 산소의 원자수이다.) - 제6항에 있어서, 상기 (ⅱ) 공정과 상기 (ⅲ) 공정 사이에,
(ⅳ) 상기 MoBi 함유액을 더 혼합하는 공정
을 추가로 갖는, 금속 산화물 촉매의 제조 방법. - 삭제
- 삭제
- 제6항 또는 제7항에 있어서, 상기 MoBi 함유액이, 상기 (ⅲ) 공정에 연속적으로 공급되는 것인, 금속 산화물 촉매의 제조 방법.
- 제6항 또는 제7항에 있어서, 상기 (ⅱ) 공정에 있어서, 상기 Mo 함유액 및 상기 Bi 함유액의 상기 제1 유로 또는 제2 유로로의 몰 공급 속도를, 각각, mα(㏖/min) 및 mβ(㏖/min)로 했을 때에,
상기 Mo 함유액 및 상기 Bi 함유액이, 식 (4)를 만족시키도록 공급되는 것인, 금속 산화물 촉매의 제조 방법:
(mβ/mα)/(p/12) = 0.8∼1.2 (4). - 삭제
- 삭제
- 삭제
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