WO2008099961A1 - アルコール製造用触媒 - Google Patents
アルコール製造用触媒 Download PDFInfo
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- WO2008099961A1 WO2008099961A1 PCT/JP2008/052905 JP2008052905W WO2008099961A1 WO 2008099961 A1 WO2008099961 A1 WO 2008099961A1 JP 2008052905 W JP2008052905 W JP 2008052905W WO 2008099961 A1 WO2008099961 A1 WO 2008099961A1
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- B01J23/894—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper combined with noble metals also combined with metals, or metal oxides or hydroxides provided for in groups B01J23/02 - B01J23/36 with rare earths or actinides
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- B01J23/89—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper combined with noble metals
- B01J23/8933—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper combined with noble metals also combined with metals, or metal oxides or hydroxides provided for in groups B01J23/02 - B01J23/36
- B01J23/8993—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper combined with noble metals also combined with metals, or metal oxides or hydroxides provided for in groups B01J23/02 - B01J23/36 with chromium, molybdenum or tungsten
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- B01J37/0009—Use of binding agents; Moulding; Pressing; Powdering; Granulating; Addition of materials ameliorating the mechanical properties of the product catalyst
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- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C29/00—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring
- C07C29/132—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring by reduction of an oxygen containing functional group
- C07C29/136—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring by reduction of an oxygen containing functional group of >C=O containing groups, e.g. —COOH
- C07C29/147—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring by reduction of an oxygen containing functional group of >C=O containing groups, e.g. —COOH of carboxylic acids or derivatives thereof
- C07C29/149—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring by reduction of an oxygen containing functional group of >C=O containing groups, e.g. —COOH of carboxylic acids or derivatives thereof with hydrogen or hydrogen-containing gases
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- B01J21/08—Silica
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- B01J2235/15—X-ray diffraction
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- B01J37/00—Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
- B01J37/02—Impregnation, coating or precipitation
- B01J37/03—Precipitation; Co-precipitation
Definitions
- the present invention relates to a catalyst for hydrogenating a carboxylic acid to produce an alcohol, a method for producing the catalyst, and a method for producing an alcohol for hydrogenating the carboxylic acid.
- a method for producing an alcohol a method of catalytic hydrogenation of a carboxylic acid ester is generally known and widely used industrially.
- attempts to obtain alcohol by catalytic hydrogenation of free carboxylic acid with a catalyst have been tried for a long time.
- JP-A 6 1-5 0 3 6 uses a Co catalyst containing a metal selected from Al, Zr, Mo, Y and the like and a metal selected from Cu, Pt, Pd and the like.
- a method for producing alcohol was disclosed.
- JP-A 4 8-6 2 7 0 8 discloses a method for producing an alcohol using a Co catalyst in which Fe, Zn, P and the like are combined.
- the present invention (1) is a catalyst for producing an alcohol by hydrogenating a carboxylic acid, comprising Co metal as an essential component and Zr, Y, La, Ce, Si as the first promoter component. , Al,
- This book describes a catalyst precursor containing ⁇ and one or more elements selected from Zr, Y, La, Ce, Si, AK Sc, V and Mo in a hydrogen atmosphere.
- a method for producing a catalyst for alcohol production according to the present invention (1) which comprises a reduction treatment under a temperature condition of 0 ° C., wherein the Cubic phase is 20% or more of the Co metal crystal phase.
- the present invention provides a method for producing an alcohol, wherein carboxylic acid is used as a raw material, and hydrogenation is carried out using the catalyst of the present invention (1).
- the present invention provides a use for producing an alcohol by hydrogenating the carboxylic acid of the catalyst of the present invention (1).
- JP-A 6 1-5 0 3 6 does not have a cubic phase because the processing temperature is low.
- JP-A 4 8-6 2 70 8 uses a cocatalyst different from that of the present invention, or even when the same cocatalyst is used, it has a cubic phase because the treatment temperature is low. do not do.
- the present invention provides a catalyst for use in the production of alcohol by hydrogenating carboxylic acid, which has a high catalytic activity and is industrially satisfactory, and a method for producing the alcohol.
- the present inventors have improved catalytic activity when it has Co metal and a specific promoter component, and Co metal as the main component of the catalyst has a cubic phase as a crystal phase at a specific ratio.
- W specific ratio
- the catalyst of the present invention has high catalytic activity and is industrially satisfactory.
- alcohol can be produced in high yield from carboxylic acid as a raw material. It is extremely advantageous industrially.
- the fatty acid may contain an ester group.
- a preferred embodiment (la) of the present invention (1) is a catalyst for producing an alcohol by hydrogenating a carboxylic acid, comprising Co metal as an essential component and Zr, Y, La, Ce as a first promoter component. , Si, Al, Sc, and V.
- the catalyst for alcohol production contains one or more elements selected from Si, V, and the Cu phase is 20% or more of the Co metal crystal phase.
- a catalyst precursor containing Co and one or more elements selected from Zr, Y, La, Ce, Si, Al, Sc and V is used in a hydrogen atmosphere under a hydrogen atmosphere.
- a preferred embodiment (2) of the present invention (1) is a catalyst for producing an alcohol by hydrogenating a carboxylic acid, comprising Co metal as an essential component and Zr, Y, La, Ce as a first promoter component.
- a catalyst for alcohol production having a phase of 20% or more.
- a preferred embodiment of the present invention includes Co, one or more elements selected from Zr, Y, La, Ce, Si, Al, Sc, and V, and one or more elements selected from Pt and Pd.
- a preferred embodiment (3) of the present invention (1) is a catalyst for producing an alcohol by hydrogenating a carboxylic acid, comprising Co metal and Mo as essential components, and Zr, Y, La as first promoter components. , Ce, Si, Al, Sc and V containing one or more elements selected from the group consisting of one or more elements selected from Pt and Pd as the second promoter component, and a Co metal crystal phase Among them, the catalyst for alcohol production has a Cubic phase of 20% or more.
- a preferred embodiment of the present invention includes Co, Mo, one or more elements selected from Zr, Y, La, Ce, Si, Al, Sc, and V, and one or more elements selected from Pt and Pd.
- the catalyst precursor according to the above aspect (3) comprising a step of reducing the catalyst precursor containing at a temperature of 300 to 800 ° C. in a hydrogen atmosphere.
- the alcohol production catalyst of the present invention comprises Co metal as an essential component, and the first promoter component is selected from Zr, Y, La, Ce, Si, Al, Sc, V, and Mo. And the Cubic phase of the Co metal crystal phase is 20% or more.
- the Co metal is known to have two crystal phases, the Cub ic phase and the Hexagona scale, but the present inventors have found that the presence of the Cub ic phase greatly contributes to the catalytic activity.
- the crystal phase of Co metal in the catalyst of the present invention is determined by measuring under the following conditions with an X-ray crystal diffraction (hereinafter abbreviated as XRD) apparatus. From the XRD peak pattern, the cubic phase and the hexagona are identified, and the crystal phase composition is determined from the detected peak intensity.
- XRD X-ray crystal diffraction
- the catalyst of the present invention has a Cubic phase ratio in the Co metal crystal phase calculated by the following formula (1).
- Co in the catalyst of the present invention preferably has a reduction rate of 40% or more, more preferably 70% or more, and even more preferably 80% or more.
- the Co reduction rate is a value obtained by calculation by the method shown in the examples.
- the first promoter component in the catalyst of the present invention contains one or more elements selected from Zr, Y, La, Ce, Si, Al, Sc, V, Mo, Zr, Y, La, Ce, Mo is preferred. These elements may be in any chemical state such as metals, oxides, hydroxides.
- the ratio of Co to the first promoter component is preferably 0.1 mole or more, more preferably 1 mole or more with respect to 100 moles of Co, from the viewpoint of catalytic activity. Moreover, 100 mol or less is preferable and 25 mol or less is more preferable.
- the catalyst of the present invention can further contain a second promoter component selected from Pd and Pt. By containing these components, the reduction can be promoted and the reduction temperature can be lowered. Thereby, a high specific surface area can be obtained and the activity can be further improved.
- the ratio of Co to the second promoter component is preferably 0.001 mol or more, more preferably 0.001 mol or more with respect to Co 100 mol, from the viewpoint of catalytic activity. Preferably, 0.1 mol or more is more preferable. There is no particular upper limit, but it is preferably 10 mol or less.
- the catalyst of the present invention can eat a support. Examples of the carrier include diatomaceous earth, alumina, silica, silica-alumina, magnesia, zirconia, titania, seria, activated carbon, and composite oxides thereof. By using a carrier, Co and cocatalyst components can be highly dispersed, and the activity can be improved.
- the amount of the support in the whole catalyst is preferably 80% by weight or less, and more preferably 50% by weight or less.
- the catalyst of the present invention can contain components for molding such as a binder component and a lubricant.
- the production method of the catalyst of the present invention is not particularly limited, but is generally prepared by the steps of preparation of catalyst precursor, drying / calcination, reduction, Co, Zr, Y, La, Ce, Having a step of reducing a catalyst precursor containing one or more elements selected from Si, Al, Sc, V, and Mo under a hydrogen atmosphere at a temperature condition of 300 to 800 ° C. Is preferred, and further reduction treatment More preferably, after the step of treating, there is a step of forming an oxide film on the surface of the reduced catalyst and stabilizing it.
- a coprecipitation method, a physical mixing method, and an impregnation supporting method are preferably used as a method for preparing the catalyst precursor.
- the coprecipitation method comprises a mixed aqueous solution of each metal salt comprising Co, and one or more first promoter components selected from Zr, Y, La, Ce, Si, Al, Sc, V, and Mo, This is a method of mixing with a precipitant.
- a coprecipitation method in which a precipitant is added to a mixed aqueous solution of each metal salt obtained by further adding one or more second promoter components selected from Pd and Pt may be used.
- Any metal salt may be used as long as it is water-soluble, but in general, sulfate, nitrate, ammonium complex, acetate or chloride can be used.
- alkaline aqueous solutions such as ammonia, urea, ammonium carbonate, sodium hydrogen carbonate, sodium carbonate, sodium hydroxide, potassium hydroxide, etc. are used.
- the physical mixing method is selected from Co, and one or more first promoter components selected from Zr, Y, La, Ce, Si, Al, SV, and Mo, or in addition to them, Pd and Pt This is a method in which compounds such as oxides, hydroxides, carbonates, phosphates, and nitrates of each of the one or more second promoter components are sufficiently physically mixed.
- the impregnation support method is a method of precipitating or impregnating and supporting a metal compound as a promoter component on a Co compound.
- a precipitate obtained by mixing the above precipitant with an aqueous metal salt solution that can be a promoter component other than Co examples include a method of washing, drying, and firing the material, or a method of impregnating and supporting a metal salt that can be a promoter component other than Co on a Co oxide from the state of an aqueous solution.
- the catalyst of the present invention can be supported on a known carrier.
- the carrier include carriers such as diatomaceous earth, alumina, silica, silica-alumina, magnesia, zirconium, titania, ceria, activated carbon, and composite oxides thereof.
- a coprecipitation method in which a metal salt and a precipitant are mixed in a slurry in which the carrier is suspended, or a method in which a metal that can be a catalyst component is impregnated simultaneously or sequentially on the carrier.
- the coprecipitation method or the impregnation support method is preferred.
- the catalyst precursor prepared by the method as described above is preferably dried at 30 to 120 ° C. for 1 to 24 hours, and then usually at 300 to 80,000 for 2 to 10 hours. It is preferable to fire. By this firing operation, Co becomes an oxide. Next, the catalyst precursor is reduced. The catalyst is activated by this reduction treatment.
- a gaseous reducing agent As a reducing agent, hydrogen, carbon monoxide, formaldehyde, etc. can be used.
- a gaseous reducing agent When a gaseous reducing agent is used, it may be used alone, or may be used by mixing with an inert gas such as nitrogen or with water vapor. Of these, it is desirable to use hydrogen as the reducing agent.
- a gas phase system in which hydrogen gas is brought into contact with a dry catalyst precursor may be used, or a liquid phase system in which hydrogen is allowed to flow by immersing the catalyst precursor in a liquid. It may be used.
- Such liquids include hydrocarbons such as liquid paraffin, fats Aromatic alcohols or aliphatic esters, or carboxylic acids as hydrogenation raw materials can be used.
- hydrogen When hydrogen is used as a reducing agent for reduction activation in a gas phase system, it is preferably carried out at a temperature of 300 ° C or higher, more preferably 400 ° C or higher, more preferably 420 ° C or higher, particularly under hydrogen flow. Preferably, it is 450 ° C or higher.
- the hydrogen used may be 100% or diluted with an inert gas. In order to prevent heat generation due to rapid reduction, a diluted one is preferable, a hydrogen concentration of 0.5 to 50 volZvol% is more preferable, and a 1 to 1 OvolZvol% is more preferable.
- Such high-temperature reduction can increase the degree of reduction and increase the content of the Cubic phase.
- the temperature is preferably 800 ° C or lower, more preferably 600 ° C or lower.
- the reduction should be processed until no hydrogen absorption is observed.
- the reduction-activated catalyst When the reduction-activated catalyst is left in the air as it is, it may react strongly with oxygen in the air and generate heat. Therefore, it is preferable to stabilize by forming an oxide film on the surface of the reduction activated catalyst.
- This oxidation stabilization treatment is performed at 0 to 200 ° C., preferably 20 to 100 ° C., more preferably 20 to 50 ° C. in the presence of an inert gas such as nitrogen containing 0.1 to 5% by volume of oxygen. Therefore, it is preferable in terms of handling to form an oxide film on the surface of the catalyst and stabilize it over 1 to 24 hours.
- the method for producing an alcohol of the present invention is a method in which carboxylic acid is used as a raw material and hydrogenation is performed using the catalyst of the present invention.
- the carboxylic acid used in the present invention may be either a monocarboxylic acid or a polycarboxylic acid.
- monocarboxylic acid aliphatic carboxylic acid, aromatic carboxylic acid, araliphatic carboxylic acid, and alicyclic carboxylic acid are used, and as aliphatic carboxylic acid, aliphatic dicarboxylic acid and aromatic dicarboxylic acid are used. Is done.
- strong rubonic acid examples include acetic acid, propionic acid, butyric acid, isobutyric acid, valeric acid, strong bronic acid, strong prillic acid, strong purine acid, lauric acid, myristic acid, palmitic acid, stearic acid, oleic acid, isostearic acid Benzoic acid, oxalic acid, tartaric acid, maleic acid, succinic acid, daltaric acid, adipic acid, azelaic acid, cyclohexanecarboxylic acid and the like. These carboxylic acids may be free carboxylic acids or acid anhydrides.
- the alcohol production method of the present invention can be carried out in either a suspension bed reaction system or a fixed bed reaction system.
- a suspension bed reaction method a powdered catalyst is used, and the following reaction conditions are selected.
- the reaction temperature is preferably 150 to 300 ° C.
- the reaction pressure is preferably 1 to 3 O MPa, more preferably 5 to 3 O MPa.
- the amount of the catalyst used is preferably 0.5 to 20% by weight, more preferably 1 to 10% by weight, based on the starting carboxylic acid.
- the amount of catalyst can be arbitrarily selected within a range where a practical reaction rate can be obtained, depending on the reaction temperature or reaction pressure.
- a catalyst formed for the purpose is used. wo 2 ⁇ 8 / ⁇ 96 ⁇
- the anti-J3 ⁇ 4 ⁇ ⁇ is preferably from 1 b 0 to 30, more preferably from 180 to 25 ° C.
- the reaction pressure is preferably 1 to 3 OMPa, more preferably 5 to 3 OMPa.
- the liquid hourly space velocity (LHSV) is arbitrarily determined according to the reaction conditions. However, when productivity or reactivity is taken into consideration, a range of 0.2 to 5 [1 / hr] is desirable.
- a solvent for the reaction it is desirable to carry out the reaction without a solvent in consideration of productivity.
- an alcohol, an ether such as dioxane, a hydrocarbon or the like that does not adversely influence the reaction is selected.
- Co in the catalyst has a reduction rate of preferably 40% or more, more preferably 70% or more, and 80% or more from the viewpoint of catalytic activity. More preferably.
- the reduction rate of Co was calculated as an actually measured weight reduction amount when the theoretical weight reduction amount of Co oxide (Co 3 0 4 ) in the catalyst to Co metal was defined as 100.
- the first promoter component in the catalyst contains one or more elements selected from Zr, Y, La, Ce, Si, Al, Sc, and V, and Zr, Y, La Ce is preferred. These elements may be in any chemical state such as metals, oxides, hydroxides.
- the ratio of Co to the first promoter component is preferably 0.1 mole or more, more preferably 1 mole or more with respect to 100 moles of Co, from the viewpoint of catalytic activity. Moreover, 100 mol or less is preferable and 25 mol or less is more preferable.
- the second promoter component contains one or more elements selected from Pt and Pd, and Pd is preferable. These elements may be in any chemical state such as metals, oxides, hydroxides. By containing the second promoter component, the reduction can be promoted and the reduction temperature can be lowered. Thereby, a high specific surface area can be obtained, and the activity can be further improved.
- the proportion of Co and the second promoter component is preferably 0.001 mol or more of the second promoter component with respect to 100 mol of Co from the viewpoint of catalytic activity.
- 0, 0 1 mol or more is more preferable, and 0.05 mol or more is more preferable.
- the production method of the catalyst of the present invention is not particularly limited.
- the catalyst is prepared by steps of preparation of a catalyst precursor, drying / calcination, reduction, and Co, Zr, Y, La, A catalyst precursor containing one or more elements selected from Ce, Si, AK Sc, and V, and one or more elements selected from Pt and Pd, in a hydrogen atmosphere at 300 to 80 ° C. It is preferable to have a reduction process under the temperature condition, and more preferably, after the reduction process, an oxide film is formed on the surface of the reduced catalyst and stabilized.
- the coprecipitation method comprises Co, and one or more first promoter components selected from Zr, Y, La, Ce, Si, Al, Sc, and V, Pt, and Pd.
- the physical mixing method comprises Co, and one or more first promoter components selected from Zr, Y, La, Ce, Si, Al, Sc, and V, Pt, and Pd.
- This is a method in which compounds such as oxides, hydroxides, carbonates, phosphates, nitrates, etc. of each of the one or more selected second promoter components are sufficiently physically mixed.
- the Co metal and Mo and a specific promoter component are included, and the Co metal as the main component of the catalyst has a cubic phase as a crystal phase in a specific ratio, the catalyst activity and Durability is improved. wo 2008/099961
- the catalyst contains Co metal and Mo as essential components, and contains at least one element selected from Zr, Y, La, Ce, Si, Al, Sc, and V as the first promoter component.
- the second promoter component contains one or more elements selected from Pt and Pd, and the Cubic phase is 20% or more of the Co metal crystal phase.
- the Co metal is known to have two crystal phases, a Cubic phase and a Hexagonal phase, but the present inventors have confirmed that the presence of the CuMc phase greatly contributes to the catalytic activity. I found it.
- the crystal phase of Co metal in the catalyst of the present invention is determined by measuring under the following conditions with an X-ray crystal diffraction (hereinafter abbreviated as XRD) apparatus.
- Co in the catalyst has a reduction rate of preferably 40% or more, more preferably 70% or more, and 80% or more from the viewpoint of catalytic activity. More preferably.
- the reduction rate of Co was calculated as an actually measured weight reduction amount when the theoretical weight reduction amount of Co oxide (Co 3 0 4 ) in the catalyst to Co metal was defined as 100.
- Mo in the catalyst may be in any chemical state such as a metal, oxide, or hydroxide.
- the proportion of Co and Mo is preferably 0.05 mol or more and more preferably 0.5 mol or more with respect to 100 mol of Co. Further, it is preferably 100 mol or less, more preferably 25 mol or less.
- the first promoter component in the catalyst is Zr, Y, La, Ce, Si,
- the ratio of 1 to the promoter component is The catalyst component is preferably 0.1 mol or more, more preferably 1 mol or more. Moreover, 100 mol or less is preferable and 25 mol or less is more preferable.
- the second promoter component in the catalyst contains one or more elements selected from Pt and Pd, and Pd is preferable. These elements may be in any chemical state such as metals, oxides, hydroxides.
- the ratio of Co to the second promoter component is preferably 0.001 mol or more of the second promoter component with respect to 100 mol of Co from the viewpoint of catalytic activity. , More preferably 0.1 mol or more, and even more preferably 0.05 mol or more. There is no particular upper limit, but it is preferably 10 moles or less.
- the catalyst may contain a support.
- the carrier include diatomaceous earth, alumina, silica, silica-alumina, magnesia, zirconia, titania, ceria, activated carbon, or a composite oxide thereof.
- the amount of the carrier in the whole catalyst is preferably 80% by weight or less, and more preferably 50% by weight or less.
- the method for producing the catalyst is not particularly limited, but it is prepared by the steps of precursor preparation, drying / calcination, reduction, for example, Co, Mo, Zr, Y, La,
- a catalyst precursor containing one or more elements selected from Ce, Si, Al, Sc, and V and one or more elements selected from Pt and Pd is heated under a high-temperature condition (preferably 30). 0 ⁇ 8 0
- the catalyst having the target cubic phase can be obtained by reduction treatment at 0 ° C).
- the It is more preferable to have a step of forming an oxide film on the surface of the reduced catalyst.
- the impregnation supporting method is made of Co, and one or more first promoter components selected from Zr, Y, La, Ce, Si, Al, Sc, and V, Pt, and Pd.
- an aqueous solution of an Mo compound is added and impregnated on a compound containing one or more selected second promoter components.
- the precipitate obtained by mixing the mixed aqueous solution of the metal salts of Co and the promoter component and the precipitant is washed with water, dried, or further baked and molded, etc.
- any metal salt of Co and the promoter component used may be used as long as they are water-soluble, but in general, sulfate, nitrate, ammonium complex, acetate or chloride is used.
- the precipitating agent an aqueous solution of ammonia such as ammonia, urea, ammonium carbonate, sodium hydrogen carbonate, sodium carbonate, sodium hydroxide or lithium hydroxide is used.
- the Mo compound includes paramolybdic acid, maleophosphoric acid, pyromolybdic acid, molybdenum-containing heteropoly acid, molybdophosphoric acid, etc .; sodium molybdate dihydrate (Na 2 Mo0 4 ⁇ 2 H 2 0), 7 Molybdate 6 Ammonium ⁇ Tetrahydrate [( ⁇ 4 ) 6 ⁇ 7 0 24 ⁇ 4 ⁇ 2 0] and other salts, Molybdenum trioxide ( ⁇ 0 3 ) and other oxides And halides such as molybdenum chloride (MoOCl 4 , Mo0 2 Cl 2 ).
- the coprecipitation method includes Co, Mo, and Zr, Y, La, Ce, Si, Al,
- the physical mixing method comprises Co, and one or more first promoter components selected from Zr, Y, La, Ce, Si, Al, Sc, and V, Pt, and Pd. After thoroughly mixing the compounds such as oxide, hydroxide, carbonate, phosphate, nitrate, chloride, etc. of one or more selected second co-catalyst components and drying, or after further firing Or a method of sufficiently physically mixing the Mo acids or salts thereof, oxides, hydroxides, etc. together with the carrier during molding.
- the catalyst can be supported on a known carrier.
- the carrier include carriers such as diatomaceous earth, alumina, silica, silica-alumina, magnesium, zirconia, titania, ceria, activated carbon, and composite oxides thereof.
- a coprecipitation method in which a metal salt and a precipitant are mixed in a slurry in which the carrier is suspended, or a metal that can be a catalyst component on the carrier simultaneously or The method of impregnating sequentially is mentioned.
- the impregnation support method or the coprecipitation method is preferable among the preparation methods of the catalyst precursor.
- the method of supporting the catalyst component on the support or mixing both is not particularly limited.
- it is performed by the following method.
- a precipitate obtained by a coprecipitation method in which a precipitant is added to an aqueous metal salt solution that can be a catalyst component other than the carrier component is washed with water, dried, or calcined, or on the carrier component other than the carrier component Impregnation of metal salt that can be a catalyst component from the state of aqueous solution Holding w 2 ⁇ ! ⁇ 99 ⁇ ⁇
- the method of firing, or the carrier component and the metal component oxides, hydroxides, carbonates, etc. composing the catalyst component are uniformly mixed and then fired Prepared by methods.
- FIG. 1-11 is a peak pattern showing the results of XRD analysis of the catalyst obtained in Example 1-11.
- Figure 2-1 is a peak pattern showing the XRD analysis results of the catalyst obtained in Example 2-1.
- Figure 3-1 is a peak pattern showing the XRD analysis results of the catalyst obtained in Example 3-1.
- the present invention describes the practice of the present invention in the following examples. The examples are illustrative of the invention and are not intended to limit the invention.
- the Co reduction ratios described in Examples and Comparative Examples were calculated by the following method. Gu Co reduction rate calculation method>
- the Co reduction rate is the cobalt reduction obtained from the composition analysis by considering the reduction of the weight before and after the activation and stabilization as the catalyst activation method, with the weight loss before and after the activation and stabilization, and the reduction from cobalt oxide to the metal cobalt. It calculated
- the Co element had a composition consisting only of Co metal or cobalt oxide (CoO).
- ⁇ GC analysis method Take 1 drop of the reaction product in a 10 ml sample bottle, put trimethylsilyl (TMS) agent (TMSI-HZ GL Sciences Inc.) in it, and treat for about 5 minutes (40 ° C warming). Dilute with 1.5 ml of hexane and filter with membrane filter 0. ⁇ ⁇ for GC analysis.
- TMS trimethylsilyl
- Catalyst activation Catalyst reduction / oxidation stabilization was carried out in the same manner as (2) in Example 1-11, except that the catalyst reduction temperature was 400 ° C.
- Table 1 shows the Co reduction rate of the obtained catalyst and the ratio of the Cubic phase in the Co metal crystal phase.
- Example 1-1 (3) Production of alcohol Using WO OSQ, the same method as (3) in Example 1-1 was prepared. Table 11 shows the composition of the produced alcohol and residual fatty acid after completion of the reaction. Comparative Example 1 1 1
- Example 1-11 (3) Production of alcohol An alcohol was produced in the same manner as in Example 1-11 (3) using the obtained catalyst cake (3.75 g as a dry oxide). Table 11 shows the composition of the produced alcohol and residual fatty acid after completion of the reaction.
- Co-Al oxide was obtained in the same manner as in (1).
- Catalyst activation Catalyst reduction / oxidation stabilization was carried out in the same manner as in Example 1-1 (2) except that the catalyst reduction temperature was 350 ° C.
- Table 11 shows the Co reduction rate of the obtained catalyst and the ratio of the Cubic phase in the Co metal crystal phase. This is a catalyst described in the prior art JP-A 48-62708.
- a palladium nitrate aqueous solution prepared so as to be 0.1 parts by weight as Pd was added to the obtained Co—Zr oxide, and thoroughly mixed to impregnate Pd. Furthermore, it was dried at 110 ° C. to obtain a palladium-supported Co—Zr oxide.
- composition of the product was determined by the following gas chromatography (GC) analysis. Furthermore, alcohol was repeatedly produced in the same manner using a spent catalyst. Table 3-1 shows the product alcohol and residual fatty acid composition of the products after the first and third reaction. In addition, the durability of the catalyst was evaluated by the following method. The results are also shown in Table 3-1.
- GC gas chromatography
- Table 1 shows the Co reduction rate of the obtained catalyst and the ratio of the Cubic phase in the Co metal crystal phase.
- catalyst precursor A mixture of cobalt nitrate, yttrium nitrate (n-hydrate), palladium nitrate with an atomic ratio of cobalt to yttrium to palladium of 100: 5: 0.08 and an aqueous solution of ammonium carbonate at room temperature. Stir and mix. The resulting precipitate was thoroughly washed with water and dried at 110 ° C. After drying, calcination was performed at 600 ° C. for 4 hours to obtain a Co—Y—Pd oxide. The obtained firing catalyst had an atomic ratio of CoZYZPd-lOOZ 2 / 0.08.
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Abstract
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Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| ES08711694T ES2887932T3 (es) | 2007-02-16 | 2008-02-14 | Método para la producción de alcohol |
| CN2008800049913A CN101610838B (zh) | 2007-02-16 | 2008-02-14 | 醇制造用催化剂 |
| US12/526,518 US8329961B2 (en) | 2007-02-16 | 2008-02-14 | Catalyst for producing alcohol |
| EP08711694.3A EP2116300B1 (en) | 2007-02-16 | 2008-02-14 | A method for alcohol production |
Applications Claiming Priority (8)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2007-036525 | 2007-02-16 | ||
| JP2007036525 | 2007-02-16 | ||
| JP2007-126675 | 2007-05-11 | ||
| JP2007126675A JP5317427B2 (ja) | 2007-02-16 | 2007-05-11 | アルコール製造用触媒 |
| JP2007259624A JP2009082889A (ja) | 2007-10-03 | 2007-10-03 | アルコール製造用触媒 |
| JP2007-259624 | 2007-10-03 | ||
| JP2007-324714 | 2007-12-17 | ||
| JP2007324714A JP2009142781A (ja) | 2007-12-17 | 2007-12-17 | アルコール製造用触媒 |
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| Publication Number | Publication Date |
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| WO2008099961A1 true WO2008099961A1 (ja) | 2008-08-21 |
| WO2008099961A9 WO2008099961A9 (ja) | 2011-06-09 |
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| PCT/JP2008/052905 Ceased WO2008099961A1 (ja) | 2007-02-16 | 2008-02-14 | アルコール製造用触媒 |
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| Country | Link |
|---|---|
| US (1) | US8329961B2 (ja) |
| EP (1) | EP2116300B1 (ja) |
| CN (1) | CN101610838B (ja) |
| ES (1) | ES2887932T3 (ja) |
| MY (1) | MY149064A (ja) |
| WO (1) | WO2008099961A1 (ja) |
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| WO2025254058A1 (ja) * | 2024-06-03 | 2025-12-11 | 花王株式会社 | アルコールの製造方法 |
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Also Published As
| Publication number | Publication date |
|---|---|
| EP2116300A4 (en) | 2013-11-13 |
| CN101610838A (zh) | 2009-12-23 |
| ES2887932T3 (es) | 2021-12-29 |
| EP2116300B1 (en) | 2021-08-25 |
| US8329961B2 (en) | 2012-12-11 |
| MY149064A (en) | 2013-07-15 |
| US20100029996A1 (en) | 2010-02-04 |
| EP2116300A1 (en) | 2009-11-11 |
| CN101610838B (zh) | 2012-05-23 |
| WO2008099961A9 (ja) | 2011-06-09 |
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