WO2018182214A1 - 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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Definitions
- the metal oxide catalyst in the metal oxide catalyst involved in the hydrogenation reaction for converting ketone to alcohol, provides a metal oxide catalyst having a spinel structure of the formula (1).
- the nickel content of the metal oxide catalyst may be 20 to 65% by weight.
- the copper content of the metal oxide catalyst may be 20 to 65% by weight.
- the average particle size of the metal oxide catalyst may be 100 ⁇ 1,000nm.
- the calcination in the step (c) may be carried out at a temperature of 350 ⁇ 450 °C.
- Another aspect of the present invention provides a method for preparing an alcohol in which ketone and hydrogen are converted to alcohol in the presence of the metal oxide catalyst.
- the ketone may be methyl isobutyl ketone.
- the reaction may be carried out at a temperature of 70 ⁇ 150 °C.
- the reaction may be carried out at a pressure of 0.0 ⁇ 3.0barg.
- the reaction may be carried out at a space velocity of 0.1 ⁇ 1.7hr -1 .
- the method for preparing a metal oxide catalyst according to another aspect of the present invention may improve the activity and purity of the metal oxide catalyst as well as productivity by spray pyrolysis and calcining the precursor solution.
- the metal oxide catalyst in the metal oxide catalyst involved in the hydrogenation reaction for converting ketone to alcohol, provides a metal oxide catalyst having a spinel structure of the formula (1).
- A is nickel or copper.
- hydrogenation reaction refers to a reaction in which hydrogen is added to a position where two atoms in a molecule are connected to a carbonyl bond, or hydrogen is added while the bond between atoms in a molecule is broken.
- the hydrogenation reaction may occur by a catalyst following the dehydration reaction, and alcohol may be produced through this reaction process.
- spinel structure is basically a crystal structure of an oxide having a composition of XY 2 O 4 , in the unit lattice in the equiaxed system, there are as much as 8X, 16Y, 32O ions, oxygen ions generally A face-centered cubic lattice can be created, with X and Y in between.
- the metal oxide catalyst may be nickel aluminate (NiAl 2 O 4 ).
- the average particle size of the nickel aluminate catalyst may be 100 ⁇ 1,000nm, preferably 100 ⁇ 300nm.
- the average particle size of the nickel aluminate catalyst is less than 100 nm, it is difficult to control the exothermic reaction between reactions, and when the average particle size of the nickel aluminate catalyst is greater than 1,000 nm, the surface area may decrease, thereby significantly lowering the activity of the catalyst.
- the metal oxide catalyst may be copper aluminate (CuAl 2 O 4 ).
- the copper content of the metal oxide catalyst may be 20 to 65% by weight, preferably about 30% by weight, but is not limited thereto. If the amount of copper is less than 20% by weight, the by-products are increased, and if it is more than 65% by weight, the yield of methylisobutylcarbinol may be lowered.
- the average particle size of the copper aluminate catalyst may be 100 to 1,000 nm, preferably 300 to 1,000 nm. If the average particle size of the copper aluminate catalyst is less than 100nm, it is difficult to control the exothermic reaction between reactions, and if the average particle size of the copper aluminate catalyst is greater than 1,000 nm, the surface area may decrease, thereby significantly lowering the activity of the catalyst.
- Another aspect of the invention (a) dissolving the nickel or copper precursor, and aluminum precursor in a polar solvent to prepare a precursor solution; (b) pyrolysing the precursor solution with a carrier gas into the reactor to form a catalyst powder; And (c) transporting the catalyst powder to a reservoir and then calcining in the reservoir to increase the surface area of the catalyst powder.
- a precursor solution may be prepared by dissolving a nickel or copper precursor and an aluminum precursor in a polar solvent.
- Nitrate may be used as a precursor material of nickel, copper, and aluminum for preparing the precursor solution, but is not limited thereto. One or more selected may be used.
- the precursor solution may be pyrolyzed while spraying the precursor solution into the reactor using a carrier gas to form a catalyst powder.
- the carrier gas may be air, preferably the pressure of the air may be 2 to 4 atm, more preferably 3 atm. If the pressure of the air is less than 2 atm, the physical properties of the catalyst to be produced may be lower than the standard value required for the production of alcohol, the performance of the catalyst may be lowered. If the pressure is more than 4 atm, excessive cost is required, resulting in high economic losses. Catalyst formation may be degraded due to melt formation or deformation of the crystal structure.
- the catalyst powder may be transported to a reservoir, and then calcined in the reservoir to increase the surface area of the catalyst powder.
- the term “calcination” refers to a heat treatment process in which a solid is heated to cause pyrolysis or phase transition or remove volatile components.
- a catalyst obtained after the completion of the step (b) is completed. Purification process to remove residual moisture and nitrate contained in the powder to obtain a nickel aluminate and copper aluminate catalyst with improved purity and to activate the catalyst powder in the reservoir to improve the stability of the catalyst Can be.
- the calcination in step (c) may be performed at 350 ⁇ 450 °C, preferably 380 ⁇ 420 °C, more preferably about 400 °C, but is not limited thereto. If the calcination temperature is less than 350 °C can not implement the required level of catalyst purity and alcohol selectivity compared to the case performed only to the step (b), if it exceeds 450 °C to improve the selectivity of alcohol while significantly lowering the yield Can be.
- step (c) the calcination may be performed for 1 to 4 hours, preferably 1 to 3 hours. If the calcination is carried out in less than 1 hour can not implement the required level of catalyst purity and alcohol selectivity compared to the case only up to step (b), if more than 4 hours the activity of the catalyst converges, so process efficiency and economic efficiency is lowered Can be.
- the reaction may be performed at 70 to 150 ° C., preferably 85 to 130 ° C., more preferably 85 to 100 ° C., but is not limited thereto.
- the reaction temperature is outside the above range, the conversion of methyl isobutyl ketone and the yield of methyl isobutyl carbinol may be significantly reduced.
- the reaction may be carried out at a pressure of 0.0 to 3.0 barg, preferably 0.3 to 2.0 barg, more preferably 0.5 to 1.5 barg. If the pressure is less than 0.0barg, the yield of methyl isobutyl carbinol may be lowered. If the pressure is greater than 3.0 barg, the reaction product of methyl isobutyl ketone and hydrogen may be liquefied to lower process efficiency.
- the reaction can be carried out at a space velocity of 0.1 ⁇ 1.7hr -1 , preferably 0.3 ⁇ 1.5hr -1 , more preferably 0.6 ⁇ 1.2hr -1 .
- the space velocity is 0.1hr -1 and is less than could be lost productivity, 1.7hr -1 excess is methylisobutyl ketone, the yield is lowered and the catalyst can react with methylisobutyl alcohol and shortens the amount of time that increases the unreacted Can be.
- Nickel and aluminum salts were dissolved in distilled water and stirred to prepare a mixed solution.
- the mixed solution was pyrolyzed while spraying into a reactor at 750 ° C. to obtain a powdered metal oxide, and then calcined at 400 ° C. to prepare a nickel aluminate catalyst having a nickel content of 35.4 wt%.
- the nickel aluminate catalyst having a nickel content of 45.8 wt% was prepared by changing the amount of nickel salt and aluminum salt.
- the nickel aluminate catalyst having a nickel content of 56.8 wt% was prepared by changing the amount of nickel salt and aluminum salt.
- the nickel aluminate catalyst having a nickel content of 60.8 wt% was prepared by changing the amount of nickel salt and aluminum salt.
- the nickel aluminate catalyst having a nickel content of 62.9% by weight was prepared by changing the amount of nickel salt and aluminum salt.
- Copper and aluminum salts were dissolved in distilled water and stirred to prepare a mixed solution.
- the prepared mixed solution was pyrolyzed while spraying into the reactor at 750 ° C. to obtain a powdered metal oxide, and then calcined at 400 ° C. to prepare a copper aluminate catalyst having a copper content of 42.7 wt%.
- a copper aluminate catalyst having a copper content of 54.0 wt% was prepared under the same conditions as in Example 6, but changing the amount of the copper salt and the aluminum salt.
- a nickel aluminate catalyst having a nickel content of 70 wt% was prepared by changing the amount of nickel salt and aluminum salt.
- a copper aluminate catalyst having a copper content of 28.0% by weight was prepared by changing the amount of copper salt and aluminum salt.
- a copper aluminate catalyst having a copper content of 65.4% by weight was prepared by changing the amount of copper salt and aluminum salt.
- the catalysts prepared according to Examples 1 to 5 and Comparative Examples 1 to 3 were charged to have a liquid hourly space velocity (LHSV) of 0.6 hr ⁇ 1 and heated up to 400 ° C. at normal pressure while flowing nitrogen and hydrogen. After activating, the reaction temperature was cooled to 130 ° C., the pressure was increased to 0.8 barg, and activated with hydrogen injection.
- LHSV liquid hourly space velocity
- MIBK methyl isobutyl ketone
- H methyl isobutyl carbinol
- Methyl isobutyl carbinol selectivity, methyl isobutyl carbinol yield, and by-product yield were calculated using Equations 1 to 4, respectively, and the results are shown in Table 1 below.
- Equation 1 methyl isobutyl ketone conversion
- Equation 2 methyl isobutyl carbinol selectivity
- Example 2 91.1 99.5 90.6 0.5
- Example 3 91.8 98.5 90.4
- Example 4 91.0 97.8 89.0 2.0
- Example 5 91.0 98.0 89.1 1.9 Comparative Example 1 61.1 98.3 60.1 1.0 Comparative Example 2 86.9 97.4 85.6 2.1 Comparative Example 3 91.0 97.6 84.8 2.2
- the nickel aluminate catalysts of Examples 1 to 5 have a MIBK conversion rate, MIBC selectivity, and MIBC yield of 85% or more, 97% or more, and 89% or more, respectively, compared to Comparative Examples 1 to 3.
- MIBK conversion rate, MIBC selectivity, and MIBC yield were shown to be lower than Examples 1 to 5, and in Examples 1 to 5, the activity of the catalyst was significantly improved compared to Comparative Examples 1 to 3, so that the MIBK conversion rate, MIBC selectivity, It can be seen that both the MIBC yield and the balanced implementation.
- Example 6 88.6 99.3 88.0 0.7
- Example 7 89.0 99.3 88.4 0.6
- Comparative Example 4 87.6 98.9 86.6 1.0
- Comparative Example 5 81.0 99.3 80.4 0.6
- the catalyst of Examples 6-7 having a copper content of 42.7-54.0% by weight is significantly improved in the activity of the catalyst compared to Comparative Examples 4-5, so that all of the MIBK conversion, MIBC selectivity, and MIBC yield It can be seen that a balanced implementation.
- Example 7 Example 7 Example 2 Example 7 Example 2 Example 7 Example 2 Example 7 Example 2 Example 7 Example 2 Example 7 Example 2 Example 7 Example 2 Example 7 Example 2 Example 7 Example 2 Example 7 Example 2 Example 7 Example 2 Example 7 Example 2 Example 7 Example 2 Example 7 Example 2 Example 7 Example 2 Example 7 Example 2 Example 7 Example 2 Example 7 Example 2 Example 7 Example 2 Example 7 Example 2 Example 7 Example 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
- the MIBC selectivity at a reaction temperature of 70 ⁇ 130 °C has a value of more than 99%, the by-product yield is less than 0.7%.
- Example 7 Example 7 Example 2 Example 7 Example 2 Example 7 Example 2 0 (atmospheric pressure) 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
- the yield of MIBC is more than 96% at a reaction pressure of 0.3 ⁇ 1.2barg, the yield of the by-product is less than 0.7%.
- the temperature was 85 ° C.
- the pressure was 0.8 barg
- the space velocity was 0.6 hr ⁇ 1.
- the hydrogenation reaction proceeded by changing the molar ratio of the reactants hydrogen and MIBK in the range of 1: 4-8.
- MIBK conversion, MIBC selectivity, MIBC yield, and by-product yield were calculated using Equations 1 to 4, respectively, and the results are shown in Table 5 below.
- Example 7 Example 2 Example 7 Example 2 Example 7 Example 2 Example 7 Example 2 Example 7 Example 2 Example 7 Example 2 Example 7 Example 2 Example 7 Example 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
- the MIBC selectivity has a value of 99.3% or more, the yield of the by-product is less than 0.7%.
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Abstract
Description
| 구분 | MIBK 전환율(%) | MIBC 선택도(%) | MIBC 수율(%) | 부산물 수율(%) |
| 실시예 1 | 87.4 | 99.7 | 87.1 | 0.3 |
| 실시예 2 | 91.1 | 99.5 | 90.6 | 0.5 |
| 실시예 3 | 91.8 | 98.5 | 90.4 | 1.4 |
| 실시예 4 | 91.0 | 97.8 | 89.0 | 2.0 |
| 실시예 5 | 91.0 | 98.0 | 89.1 | 1.9 |
| 비교예 1 | 61.1 | 98.3 | 60.1 | 1.0 |
| 비교예 2 | 86.9 | 97.4 | 85.6 | 2.1 |
| 비교예 3 | 91.0 | 97.6 | 84.8 | 2.2 |
| 구분 | MIBK 전환율(%) | MIBC 선택도(%) | MIBC 수율(%) | 부산물 수율(%) |
| 실시예 6 | 88.6 | 99.3 | 88.0 | 0.7 |
| 실시예 7 | 89.0 | 99.3 | 88.4 | 0.6 |
| 비교예 4 | 87.6 | 98.9 | 86.6 | 1.0 |
| 비교예 5 | 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/MIBK몰 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>XAl2O4상기 식에서,X는 니켈 또는 구리이다.
- 제1항에 있어서,상기 금속산화물 촉매 중 상기 니켈의 함량이 20~65중량%인 금속산화물 촉매.
- 제1항에 있어서,상기 금속산화물 촉매 중 상기 구리의 함량이 20~65중량%인 금속산화물 촉매.
- 제1항에 있어서,상기 금속산화물 촉매의 평균 입도는 100~1,000nm인 금속산화물 촉매.
- (a) 니켈 또는 구리 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 저장조에서 하소시켜 상기 촉매 분말의 표면적을 증가시키는 단계;를 포함하는 금속산화물 촉매의 제조방법.
- 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 내지 제4항 중 어느 한 항에 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 : 4~8의 몰 비로 반응시키는 알코올의 제조방법.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| AU2018244485A AU2018244485B2 (en) | 2017-03-28 | 2018-03-19 | Metal oxide catalyst, method for producing same, and method for producing alcohol using same |
| EP18778020.0A EP3603801B2 (en) | 2017-03-28 | 2018-03-19 | Method for producing an alcohol by ketone hydrogenation in the presence of a metal oxide catalyst |
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| KR10-2017-0039274 | 2017-03-28 | ||
| KR1020170039274A KR101884928B1 (ko) | 2017-03-28 | 2017-03-28 | 금속산화물 촉매, 그 제조방법, 및 이를 이용한 알코올의 제조방법 |
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| US (1) | US10507456B2 (ko) |
| EP (1) | EP3603801B2 (ko) |
| JP (1) | JP6633674B2 (ko) |
| KR (1) | KR101884928B1 (ko) |
| CN (1) | CN108654618B (ko) |
| AU (1) | AU2018244485B2 (ko) |
| WO (1) | WO2018182214A1 (ko) |
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| CN112547069B (zh) * | 2019-09-10 | 2023-05-30 | 中国石油化工股份有限公司 | 镍铜催化剂及其制备方法以及制备甲基异丁基醇的方法 |
| DE102020106964A1 (de) | 2020-03-13 | 2021-09-16 | Clariant International Ltd | Chromfreier hydrierkatalysator mit erhoehter wasser- und saeurestabilitaet |
| WO2022019588A1 (ko) | 2020-07-20 | 2022-01-27 | 서강대학교산학협력단 | 루테늄 산화물 및 이를 포함하는 촉매 |
| 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 |
| FR3155146A1 (fr) | 2023-11-14 | 2025-05-16 | Arkema France | Utilisation d’un catalyseur hétérogène cuivre/zinc pour la synthèse continue en phase gaz de méthylisobutylcétone et/ou de méthylisobutylcarbinol par hydrogénation de l’oxyde de mésityle |
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Also Published As
| Publication number | Publication date |
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| EP3603801A4 (en) | 2020-08-26 |
| EP3603801A1 (en) | 2020-02-05 |
| EP3603801B2 (en) | 2025-07-23 |
| KR101884928B1 (ko) | 2018-08-30 |
| US20180280940A1 (en) | 2018-10-04 |
| CN108654618B (zh) | 2021-11-12 |
| AU2018244485B2 (en) | 2020-10-29 |
| US10507456B2 (en) | 2019-12-17 |
| EP3603801B1 (en) | 2022-01-05 |
| AU2018244485A1 (en) | 2019-11-07 |
| JP6633674B2 (ja) | 2020-01-22 |
| CN108654618A (zh) | 2018-10-16 |
| JP2018164907A (ja) | 2018-10-25 |
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