KR101884928B1 - 금속산화물 촉매, 그 제조방법, 및 이를 이용한 알코올의 제조방법 - Google Patents
금속산화물 촉매, 그 제조방법, 및 이를 이용한 알코올의 제조방법 Download PDFInfo
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Abstract
<화학식 1>
XAl2O4
상기 식에서, X는 니켈 또는 구리이다.
Description
도 2는 본 발명의 일 실시예 및 비교예에 따라 제조된 금속산화물 촉매의 X-선 회절 분석(XRD) 결과를 나타낸 것이다.
도 3은 본 발명의 일 실시예 및 비교예에 따라 제조된 금속산화물 촉매의 투과전자현미경 이미지를 나타낸 것이다.
구분 | MIBK 전환율(%) | MIBC 선택도(%) | MIBC 수율(%) | 부산물 수율(%) |
실시예1 | 87.4 | 99.7 | 87.1 | 0.3 |
실시예2 | 91.1 | 99.5 | 90.6 | 0.5 |
실시예3 | 91.8 | 98.5 | 90.4 | 1.4 |
실시예4 | 91.0 | 97.8 | 89.0 | 2.0 |
실시예5 | 91.0 | 98.0 | 89.1 | 1.9 |
비교예1 | 61.1 | 98.3 | 60.1 | 1.0 |
비교예2 | 86.9 | 97.4 | 85.6 | 2.1 |
비교예3 | 91.0 | 97.6 | 84.8 | 2.2 |
구분 | MIBK 전환율(%) | MIBC 선택도(%) | MIBC 수율(%) | 부산물 수율(%) |
실시예6 | 88.6 | 99.3 | 88.0 | 0.7 |
실시예7 | 89.0 | 99.3 | 88.4 | 0.6 |
비교예4 | 87.6 | 98.9 | 86.6 | 1.0 |
비교예5 | 81.0 | 99.3 | 80.4 | 0.6 |
반응온도 (℃) |
전환율 (%) | MIBC 선택도(%) | MIBC 수율(%) | 부산물 수율(%) | ||||
실시예 7 | 실시예 2 | 실시예 7 | 실시예 2 | 실시예 7 | 실시예 2 | 실시예 7 | 실시예 2 | |
70 | 87.80 | 92.68 | 99.61 | 99.65 | 87.46 | 92.36 | 0.34 | 0.32 |
85 | 97.62 | 97.58 | 99.62 | 99.49 | 97.25 | 97.08 | 0.37 | 0.49 |
100 | 96.36 | 96.26 | 99.51 | 99.36 | 95.88 | 95.65 | 0.48 | 0.61 |
115 | 93.93 | 93.81 | 99.58 | 99.47 | 93.53 | 93.31 | 0.40 | 0.50 |
130 | 90.44 | 90.16 | 99.58 | 99.44 | 90.06 | 89.65 | 0.38 | 0.51 |
반응압력 (barg) |
전환율 (%) | MIBC 선택도(%) | MIBC 수율(%) | 부산물 수율(%) | ||||
실시예 7 | 실시예 2 | 실시예 7 | 실시예 2 | 실시예 7 | 실시예 2 | 실시예 7 | 실시예 2 | |
0(상압) | 96.50 | 96.20 | 99.36 | 99.57 | 95.84 | 95.79 | 0.61 | 0.41 |
0.3 | 96.90 | 96.99 | 99.42 | 99.64 | 96.38 | 96.63 | 0.56 | 0.35 |
0.8 | 97.62 | 97.58 | 99.62 | 99.49 | 97.25 | 97.08 | 0.37 | 0.49 |
1.2 | 98.10 | 98.06 | 99.52 | 99.43 | 97.60 | 97.50 | 0.47 | 0.32 |
H2/MIBK 몰 비 |
전환율 (%) | MIBC 선택도(%) | MIBC 수율(%) | 부산물 수율(%) | ||||
실시예 7 | 실시예 2 | 실시예 7 | 실시예 2 | 실시예 7 | 실시예 2 | 실시예 7 | 실시예 2 | |
4 | 95.39 | 96.96 | 99.36 | 99.68 | 94.78 | 96.66 | 0.61 | 0.31 |
6 | 96.83 | 96.24 | 99.47 | 99.57 | 96.32 | 95.83 | 0.51 | 0.42 |
8 | 97.62 | 97.58 | 99.62 | 99.49 | 97.25 | 97.08 | 0.37 | 0.49 |
촉매 | 원소함량 (wt%) | ||||
Cu | Ni | Al | O | Total | |
실시예 1 | - | 35.4 | 29.1 | 35.5 | 100 |
실시예 2 | - | 45.8 | 22.1 | 32.1 | 100 |
실시예 3 | - | 56.8 | 14.6 | 28.5 | 100 |
실시예 4 | - | 60.8 | 12.0 | 27.2 | 100 |
실시예 5 | - | 62.9 | 10.5 | 26.5 | 100 |
실시예 6 | 42.7 | - | 24.6 | 32.7 | 100 |
실시예 7 | 54.0 | - | 17.2 | 28.9 | 100 |
비교예 1 | - | 28.8 | 33.5 | 37.7 | 100 |
비교예 4 | 28.0 | - | 34.4 | 37.6 | 100 |
비교예 5 | 65.4 | - | 9.6 | 25.0 | 100 |
Claims (15)
- 케톤을 알코올로 전환하는 수소화 반응에 관여하는 금속산화물 촉매에 있어서,
상기 금속산화물 촉매는 하기 화학식 1의 스피넬 구조(spinel structure)를 가지는 금속산화물 촉매:
<화학식 1>
XAl2O4
상기 식에서,
X는 니켈이고, 상기 니켈의 함량이 30~65중량%이다. - 삭제
- 삭제
- 제1항에 있어서,
상기 금속산화물 촉매의 평균 입도는 100~1,000nm인 금속산화물 촉매. - (a) 니켈 전구체, 및 알루미늄 전구체를 극성 용매에 용해시켜 전구체 용액을 제조하는 단계;
(b) 상기 전구체 용액을 운반 가스를 이용하여 반응기 내부로 분무하면서 열분해시켜 촉매 분말을 형성하는 단계; 및
(c) 상기 촉매 분말을 저장소로 운송시킨 후, 상기 저장소에서 하소시켜 상기 촉매 분말의 표면적을 증가시키는 단계;를 포함하고,
상기 촉매 분말은 하기 화학식 1의 스피넬 구조(spinel structure)를 가지는 금속산화물 촉매의 제조방법:
<화학식 1>
XAl2O4
상기 식에서,
X는 니켈이고, 상기 니켈의 함량이 30~65중량%이다. - 제5항에 있어서,
상기 (a) 단계에서의 극성 용매는 증류수인 금속산화물 촉매의 제조방법. - 제5항에 있어서,
상기 (b) 단계에서 상기 열분해는 600~850℃의 온도에서 수행되는 금속산화물 촉매의 제조방법. - 제5항에 있어서,
상기 (c) 단계에서 상기 하소는 350~450℃의 온도에서 수행되는 금속산화물 촉매의 제조방법. - 제1항 또는 제4항에 따른 금속산화물 촉매의 존재하에서 케톤과 수소를 반응시켜 알코올로 전환하는 알코올의 제조방법.
- 제9항에 있어서,
상기 케톤은 메틸이소부틸케톤(methyl isobutyl ketone)인 알코올의 제조방법. - 제10항에 있어서,
상기 알코올은 메틸이소부틸카비놀(methyl isobutyl carbinol)인 알코올의 제조방법. - 제9항에 있어서,
상기 반응은 70~150℃의 온도에서 수행되는 알코올의 제조방법. - 제9항에 있어서,
상기 반응은 0.0~3.0barg의 압력에서 수행되는 알코올의 제조방법. - 제9항에 있어서,
상기 반응은 0.1~1.7hr-1의 공간속도에서 수행되는 알코올의 제조방법. - 제9항에 있어서,
상기 케톤 및 수소를 각각 1 : 4~8 의 몰 비로 반응시키는 알코올의 제조방법.
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DE102020106964A1 (de) | 2020-03-13 | 2021-09-16 | Clariant International Ltd | Chromfreier hydrierkatalysator mit erhoehter wasser- und saeurestabilitaet |
KR102477904B1 (ko) * | 2020-10-27 | 2022-12-15 | 금호석유화학 주식회사 | 촉매 성형체, 그 제조방법 및 이를 이용한 환형 케톤의 제조방법 |
CN114369006B (zh) * | 2022-01-17 | 2024-04-12 | 湖南长炼新材料科技股份公司 | 一种制备异己二醇和甲基异丁基甲醇的方法 |
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