WO2007074804A1 - パラジウム含有触媒の製造方法 - Google Patents
パラジウム含有触媒の製造方法 Download PDFInfo
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- WO2007074804A1 WO2007074804A1 PCT/JP2006/325854 JP2006325854W WO2007074804A1 WO 2007074804 A1 WO2007074804 A1 WO 2007074804A1 JP 2006325854 W JP2006325854 W JP 2006325854W WO 2007074804 A1 WO2007074804 A1 WO 2007074804A1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
- B01J23/38—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals
- B01J23/40—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals of the platinum group metals
- B01J23/44—Palladium
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
- B01J23/002—Mixed oxides other than spinels, e.g. perovskite
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J27/00—Catalysts comprising the elements or compounds of halogens, sulfur, selenium, tellurium, phosphorus or nitrogen; Catalysts comprising carbon compounds
- B01J27/02—Sulfur, selenium or tellurium; Compounds thereof
- B01J27/057—Selenium or tellurium; Compounds thereof
- B01J27/0576—Tellurium; Compounds thereof
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J37/00—Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
- B01J37/16—Reducing
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07B—GENERAL METHODS OF ORGANIC CHEMISTRY; APPARATUS THEREFOR
- C07B61/00—Other general methods
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
- C07C51/16—Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation
- C07C51/21—Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation with molecular oxygen
- C07C51/23—Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation with molecular oxygen of oxygen-containing groups to carboxyl groups
- C07C51/235—Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation with molecular oxygen of oxygen-containing groups to carboxyl groups of —CHO groups or primary alcohol groups
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2523/00—Constitutive chemical elements of heterogeneous catalysts
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J31/00—Catalysts comprising hydrides, coordination complexes or organic compounds
- B01J31/02—Catalysts comprising hydrides, coordination complexes or organic compounds containing organic compounds or metal hydrides
- B01J31/0201—Oxygen-containing compounds
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J35/00—Catalysts, in general, characterised by their form or physical properties
- B01J35/60—Catalysts, in general, characterised by their form or physical properties characterised by their surface properties or porosity
- B01J35/61—Surface area
- B01J35/615—100-500 m2/g
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J35/00—Catalysts, in general, characterised by their form or physical properties
- B01J35/60—Catalysts, in general, characterised by their form or physical properties characterised by their surface properties or porosity
- B01J35/63—Pore volume
- B01J35/635—0.5-1.0 ml/g
Definitions
- the present invention relates to a method for producing a palladium-containing catalyst for producing ⁇ , j8-unsaturated carboxylic acid from olefin or a, j8-unsaturated aldehyde.
- the present invention also relates to a process for producing OC 3, ⁇ unsaturated carboxylic acid.
- Patent Documents 1 and 2 describe a paradium in an acid state as a catalyst containing a radium for liquid phase oxidation of olefin with molecular oxygen to produce a, j8-unsaturated carboxylic acid.
- a palladium metal catalyst reduced by olefin has been proposed.
- Patent Document 3 describes a palladium metal catalyst obtained by reducing a palladium compound to palladium metal using formalin, hydrazine, hydrogen, methanol, or olefins such as ethylene, propylene, and butene as a reducing agent! / Speak.
- Patent Document 1 Pamphlet of International Publication No. 02Z083299
- Patent Document 2 Japanese Patent Laid-Open No. 60-155148
- Patent Document 3 US Patent No. 4016200
- the object of the present invention is to form ⁇ , ⁇ from olefin or a, j8-unsaturated aldehyde.
- the present invention relates to ⁇ , j8-unsaturated carbohydrate from olefin or a, j8-unsaturated aldehyde.
- a method for producing a palladium-containing catalyst for producing an acid comprising the step of reducing the acid-state sodium by a compound (A) represented by the following formula (1): is there.
- I ⁇ to R 4 each independently represents a hydrogen atom or an organic group.
- R 4 Two groups out of R 4 may be bonded to form a cyclic structure.
- a particularly preferred embodiment is a method for producing a palladium-containing catalyst, which comprises the step of reducing palladium in an acid state with the compound (A), ethylene glycol, propylene glycol, glycerin or L-scorbic acid.
- the present invention is a palladium-containing catalyst produced by the above method.
- the present invention is a method for producing an ⁇ , ⁇ unsaturated carboxylic acid, in which liquid phase oxidation of olefin or ⁇ , j8-unsaturated aldehyde with molecular oxygen is performed using the palladium-containing catalyst.
- a palladium-containing catalyst of the present invention it is possible to produce a palladium-containing catalyst that can produce ⁇ -unsaturated carboxylic acid with high productivity from olefin or a, ⁇ -unsaturated aldehyde. it can.
- olefins or a, ⁇ unsaturated aldehyde forces ⁇ , ⁇ unsaturated carboxylic acids can be produced with high productivity.
- the palladium-containing catalyst of the present invention comprises olefin or a, ⁇ unsaturated aldehyde. a, ⁇ A catalyst for producing an unsaturated carboxylic acid, which contains at least palladium metal.
- the palladium-containing catalyst of the present invention may contain a metal component other than palladium metal. Examples of metal components other than noradium metal include ruthenium, rhodium, silver, osmium, iridium, platinum, gold, copper, antimony, tellurium, lead, and bismuth. From the viewpoint of developing high catalytic activity, it is preferable that 50% by mass or more of the metal contained in the palladium-containing catalyst is palladium metal.
- the palladium-containing catalyst of the present invention may or may not be supported on a carrier.
- the support ratio of the metal component containing palladium with respect to the support is preferably 0.1% by mass or more, more preferably 0.5% by mass or more with respect to the support before support 1% by mass. % Or more is more preferable, and 40% by mass or less is preferable. 30% by mass or less is more preferable, and 20% by mass or less is more preferable.
- the carrier is not particularly limited, and examples thereof include activated carbon, silica, alumina, silica alumina, magnesia, canoresia, titer, and zircoyu. preferable.
- One type of carrier can be used, or two or more types can be used in combination.
- the specific surface area of the support varies depending on the type of support, etc., and cannot be generally stated, but in the case of silica, 50m 2 Zg or more is preferable, 100m 2 Zg or more is more preferable, and 1500m 2 Zg or less 1000 m 2 Zg or less is more preferable.
- the smaller the specific surface area of the carrier the more the catalyst with the useful component supported on the surface can be produced, and the larger the specific surface area, the more the useful component can be produced.
- Such a palladium-containing catalyst of the present invention is produced by a method having a step of reducing oxidized palladium by the compound (A) represented by the following formula (1).
- the palladium-containing catalyst obtained by this method for producing a palladium-containing catalyst it is possible to produce a, j8-unsaturated carboxylic acid from olefin or a, j8-unsaturated aldehyde with high productivity.
- I ⁇ to R 4 each independently represents a hydrogen atom or an organic group.
- R 4 Two groups out of R 4 may be bonded to form a cyclic structure.
- the organic group that can be Ri to R 4 is not particularly limited, and may be an alkyl group, an alkyl carbo group, a carboxyl group, a hydroxyl group, a substituent represented by the following formula (3), or an alkyl group having a carboxyl group or a hydroxyl group. And monovalent organic groups.
- the alkyl group preferably has 1 to 6 carbon atoms.
- the compound (A) preferably has 2 to 8 carbon atoms.
- the compound (A) is not particularly limited as long as it has a structure represented by the formula (1).
- Examples of the compound (A) include ethylene glycol, glycerin, L-ascorbic acid, propylene glycol, 1,2 butanediol, 2,3 butanediol, 1,2 pentanediol, 1,2,6 hexanetriol, 1 Examples include thioglycerol, L-corsic acid 2-darcoside, and the like.
- the compound represented by the formula (2) is preferable.
- R 4 represents a hydrogen atom or an organic group.
- R 4 is a hydrogen atom or an alkyl group having 1 to 4 carbon atoms
- glycerin or L-ascorbic acid are more preferred, such as ethylene glycol, propylene glycol, Particularly preferred are lysine and L-asconolevic acid.
- the amount of the compound (A) used is not particularly limited, but it is preferably 1 to 1000 mol, more preferably 5 to 100 mol, per 1 mol of palladium in an acid state.
- the method of reducing palladium in an oxidized state by the compound (A) is not particularly limited, but a method of reducing a palladium raw material having oxidized palladium in a liquid phase is preferable.
- the solvent used for reduction in the liquid phase is preferably water, but depending on the dispersibility of the carrier, alcohols such as ethanol, 1 propanol, 2-propanol, n-butanol, and t-butanol can be used.
- Ketones such as acetone, methyl ethyl ketone, methyl isobutyl ketone, and cyclohexanone;
- Organic acids such as acetic acid, n-valeric acid, and isovaleric acid;
- Hydrocarbons such as heptane, hexane, and cyclohexane
- these organic solvents can be used alone or in combination.
- the mixed solvent of these and water can also be used.
- the mixing ratio of the organic solvent and water is arbitrary! It is preferable that the content of water is 5 to 50% by mass with respect to the entire mixed solvent.
- Examples of the palladium raw material having palladium in acid state include palladium salt and acid palladium, among others, which can include palladium salt, acid palladium, palladium oxide alloy and the like.
- Examples of the palladium salt include palladium chloride, palladium acetate, palladium nitrate, palladium sulfate, tetraammine palladium nitrate, and bis (acetylacetonato) palladium, among others, palladium chloride, palladium acetate, Palladium nitrate and tetraammine palladium nitrate are preferred.
- a palladium raw material having oxidized palladium is dissolved or dispersed in a solvent, and the compound (A) is added to the solution or dispersion to perform a reduction treatment.
- the reduction treatment can also be performed by adding the compound (A) to a dispersion of the carrier on which a palladium raw material having palladium in an acid state is supported.
- a palladium-containing catalyst containing a metal component other than palladium metal When a palladium-containing catalyst containing a metal component other than palladium metal is produced, it can be obtained by performing the same reduction using a metal raw material such as a corresponding metal salt or oxide. When using a carrier, the same return is made with the metal raw material supported on the carrier. You can get it by doing the original.
- the metal raw material can be reduced before reducing palladium, can be reduced after reducing palladium, or can be reduced simultaneously with palladium.
- a palladium salt is first supported on a carrier, and then the carrier is heat-treated to remove at least a part of the sodium salt.
- a method of performing reduction treatment after decomposition to palladium oxide is preferred.
- a method for supporting the palladium salt on the carrier a method of evaporating the solvent after immersing the carrier in a solution of palladium salt, or a solution of palladium salt corresponding to the pore volume of the carrier is absorbed by the carrier.
- a method based on the so-called pore filling method in which the solvent is evaporated thereafter is preferable.
- the solvent for dissolving the palladium salt is not particularly limited as long as it dissolves the palladium salt.
- the heat treatment temperature is preferably higher than the thermal decomposition temperature of the palladium salt, more preferably 800 ° C or lower, and more preferably 700 ° C or lower.
- the method of raising the temperature up to the predetermined heat treatment temperature is not particularly limited, but the rate of temperature rise is preferably 1 to 10 ° CZ in order to obtain a good dispersion state of palladium in the palladium-containing supported catalyst.
- the holding time after reaching the predetermined heat treatment temperature is not particularly limited as long as the palladium salt is decomposed, but 1 to 12 hours is preferable.
- the palladium salt it is preferable to use a palladium salt having a thermal decomposition temperature of 400 ° C or lower.
- the thermal decomposition temperature of the palladium salt is more preferably 300 ° C or less, particularly preferably 200 ° C or less.
- the lower the decomposition temperature of the radium salt the less calorific value.
- a palladium salt having a thermal decomposition temperature of 200 ° C or less even when the carrier layer on which the palladium salt is supported during heat treatment is thick, the amount of heat generation is reduced and the aggregation and growth of palladium particles are suppressed. Can.
- the layer height of the support on which the palladium salt is supported during heat treatment is usually unavoidable due to the relationship between the amount of catalyst and the scale of the calciner, etc.
- the fact that manufacturing with a high selectivity is possible has a great advantage when scaling up.
- a palladium salt having a thermal decomposition temperature of 400 ° C or lower is supported on a carrier, and the carrier on which the palladium salt is supported is heat-treated at a temperature equal to or higher than the thermal decomposition temperature of the palladium salt, thereby being supported on the carrier.
- a method of reducing the catalyst precursor in which at least a part of the palladium salt becomes palladium oxide is particularly preferred as an embodiment.
- Examples of palladium salts used include palladium chloride ( ⁇ ) (thermal decomposition temperature: 650 ° C), palladium acetate ( ⁇ ) (thermal decomposition temperature: 230 ° C), palladium nitrate ( ⁇ ) (thermal decomposition). Temperature: 120 ° C), tetraamminepalladium (II) nitrate (thermal decomposition temperature: 220 ° C), and bis (acetylacetonato) palladium ( ⁇ ) (thermal decomposition temperature: 210 ° C).
- palladium acetate ( ⁇ ), palladium nitrate ( ⁇ ), tetraammine palladium ( ⁇ ) nitrate, and bis (acetylacetonato) palladium ( ⁇ ) are preferred.
- One palladium salt can be used, or two or more palladium salts can be used in combination.
- the thermal decomposition temperature of the palladium salt can be measured by thermogravimetry. Here, 10% weight is reduced when palladium salt is heated from room temperature to 5.0 ° CZ in air flow using a thermogravimetric measurement device (manufactured by Shimadzu Corporation, trade name: TGA-50). This temperature was defined as the thermal decomposition temperature of the palladium salt.
- a catalyst precursor in which at least a part of the palladium salt supported on the carrier is decomposed into palladium oxide is obtained. It is preferable to reduce the palladium oxide contained in the catalyst precursor obtained by the heat treatment. When a palladium salt is present on the catalyst precursor support, the palladium salt is also reduced at the same time.
- any apparatus capable of adding compound (A) to a solution or dispersion containing palladium in an oxidized state is not limited to an apparatus that performs reduction of oxidized sodium.
- the reduction temperature and reduction time vary depending on the type of the compound (A) and the like, but the reduction temperature is preferably 5 to 150 ° C, more preferably 15 to 80 ° C.
- the reduction time is preferably 0.1 to 4 hours, more preferably 0.25 to 3 hours, and more preferably 0.5 to 2 hours.
- the obtained palladium-containing catalyst is separated.
- the method for separating the catalyst is not particularly limited, and for example, methods such as filtration and centrifugation can be used.
- the separated palladium-containing catalyst is appropriately dried.
- the drying method is not particularly limited, and various methods can be used.
- Examples of the raw material olefin include propylene, isobutylene, 2-butene and the like.
- Examples of the raw ⁇ , ⁇ unsaturated aldehyde include acrolein, methacrolein, crotonaldehyde (j8-methylacrolein), cinnamaldehyde (j8-phenolacrolein), and the like.
- the raw material olefin or a, j8-unsaturated aldehyde may contain a small amount of saturated hydrocarbon and Z or lower saturated aldehyde as impurities.
- the ex, ⁇ -unsaturated carboxylic acid to be produced is an OC, ⁇ -unsaturated carboxylic acid having the same carbon skeleton as that of olefin when the raw material is olefin. Also, when the raw material is OC, j8-unsaturated aldehyde, it is a, j8-unsaturated carboxylic acid in which the aldehyde group of a, j8-unsaturated aldehyde is changed to a carboxyl group.
- the production method of the present invention is suitable for a liquid-phase acid which produces methacrylic acid from propylene or acrolein force acrylic acid, isobutylene or methacrolein.
- Air is economical as the molecular oxygen source used in the liquid-phase acid-acid reaction, but pure oxygen or a mixed gas of pure oxygen and air can also be used. If necessary, air or pure oxygen can be used. A mixed gas obtained by diluting oxygen with nitrogen, carbon dioxide, water vapor or the like can also be used.
- the solvent used in the liquid-phase acid-acid reaction is not particularly limited.
- water Alcohols such as diol and cyclohexanol; ketones such as acetone, methyl ethyl ketone, and methyl isobutyl ketone; organic acids such as acetic acid, propionic acid, n butyric acid, isobutyric acid, n—valeric acid, isovaleric acid; Organic acid esters such as ethyl acetate and methyl propionate; hydrocarbons such as hexane, cyclohexane and toluene can be used.
- Alcohols such as diol and cyclohexanol
- ketones such as acetone, methyl ethyl ketone, and methyl isobutyl ketone
- organic acids such as acetic acid, propionic acid, n butyric acid, isobutyric acid, n—valeric acid, isovaleric acid
- the solvent may be one kind or a mixed solvent of two or more kinds.
- a mixed solvent with water.
- the amount of water at that time is not particularly limited, but 2 to 70% by mass is preferable with respect to the mass of the mixed solvent, and 5 to 50% by mass is more preferable.
- the solvent is desirably uniform, it may be used in a non-uniform state.
- the liquid phase oxidation reaction may be carried out in either a continuous type or a batch type, but in view of productivity, the continuous type is preferred industrially.
- the amount of olefin or ⁇ , j8-unsaturated aldehyde used as a raw material for the liquid-phase acid-acid reaction is preferably 0.1 to 20 parts by mass with respect to 100 parts by mass of the solvent. 5 ⁇ : L0 parts by mass are more preferred.
- the amount of molecular oxygen used is preferably 0.1 to 30 monoreca S, more preferably 0.3 to 25 monoreca S relative to the raw material olefin or a, ⁇ -unsaturated aldehyde 1 monole, 0.5 ⁇ 20 mol is particularly preferred.
- the catalyst is preferably used in a state of being suspended in a reaction solution in which liquid phase acidification is performed, but may be used in a fixed bed.
- the amount of catalyst used is preferably 0.1 to 30 parts by weight as the catalyst present in the reactor with respect to 100 parts by weight of the solution present in the reactor. 1 to 15 parts by mass is particularly preferred.
- the reaction temperature and reaction pressure are appropriately selected depending on the solvent and reaction raw materials used.
- the reaction temperature is preferably 30 to 200 ° C, more preferably 50 to 150 ° C.
- the reaction pressure is preferably atmospheric pressure (OMPa (gauge pressure; hereinafter, all pressures are expressed in gauge pressure)) to 10 MPa, more preferably 2 to 7 MPa.
- OMPa gauge pressure
- A is the number of moles of olefin or ⁇ , ⁇ unsaturated aldehyde supplied
- ⁇ is the number of moles of reacted olefin or ⁇ , j8-unsaturated aldehyde
- C is the amount of ⁇ , ⁇ -unsaturated carboxylic acid produced.
- Mass (g) is the mass of palladium metal in the catalyst (g)
- ⁇ is the reaction time (h).
- the following examples and comparative examples are reactions for producing methacrylic acid from isoprene, in which A is the number of moles of isobutylene supplied, B is the number of moles of reacted isobutylene, and C is produced. It is the mass (g) of methacrylic acid.
- Silica support (specific surface area 450 m 2 Zg, pore volume 0.68 cc / g) 20.0 parts are immersed in 40.0 parts of palladium nitrate ( ⁇ ) solution (aqueous nitric acid solution containing 2.5% by mass of palladium). Further, an aqueous solution in which 0.22 part of telluric acid was dissolved in 10 parts of pure water was added, and the resulting mixture was evaporated. Thereafter, the evaporated mixture was heated from room temperature to 200 ° C in air at a temperature of 1.5 ° CZ, kept at 200 ° C for 3 hours, and then cooled to room temperature. When the XRD measurement of the obtained catalyst precursor was performed, it was confirmed that palladium oxide was formed.
- ⁇ palladium nitrate
- This catalyst precursor was added to 50.0 parts of ethylene glycol as a reducing agent.
- the resulting mixture was heated to 70 ° C. and stirred for 2 hours for reduction treatment.
- the reduced mixture was subjected to suction filtration, and the resulting solid was filtered and washed with 1000 parts of pure water. Further, the solid was dried at 100 ° C for 2 hours under a nitrogen stream to obtain a silica-supported palladium-containing catalyst (paraffin). (Supported rate of zinc metal: 5.0% by mass).
- XRD measurement of the obtained catalyst it was confirmed that the XRD peak derived from acid-palladium disappeared and metal palladium was produced.
- the catalyst 1Z4 (corresponding to 0.25 part of palladium metal) obtained by the above method was filtered and washed with a 75% by mass t-butanol aqueous solution.
- the obtained catalyst and 75 parts by mass of 75% by mass aqueous t-butanol solution as a reaction solvent were placed in an autoclave, and the autoclave was sealed.
- 2.0 parts of isobutylene was introduced into the autoclave, stirring (rotation speed: lOOOOrpm) was started, and the temperature was raised to 90 ° C.
- nitrogen was introduced into the autoclave to an internal pressure of 2.4 MPa, and then compressed air was introduced to an internal pressure of 4.8 MPa to initiate the reaction.
- the inside of the autoclave was ice-cooled in an ice bath.
- a gas collection bag was attached to the gas outlet of the autoclave, and the pressure in the reactor was released while collecting the gas that was opened by opening the gas outlet.
- the reaction solution containing the catalyst was also taken out with autoclave force, and the catalyst was separated with a membrane filter, and the reaction solution was recovered.
- the collected reaction liquid and the collected gas were analyzed by gas chromatography, and the reaction rate and productivity were calculated.
- Example 2 The same procedure as in Example 1 was conducted, except that 50.0 parts of 20% by mass aqueous L-ascorbic acid solution was used instead of 50.0 parts of ethylene glycol.
- Example 2 The same procedure as in Example 1 was performed, except that reduction treatment was performed using 50.0 parts of glycerin instead of 50.0 parts of ethylene glycol.
- Example 2 The same procedure as in Example 1 was conducted, except that 50.0 parts of propylene glycol was used instead of 50.0 parts of ethylene glycol.
- Example 2 The same procedure as in Example 1 was carried out except that 50.0 parts of ethanol was used instead of 50.0 parts of ethylene glycol.
- Example 2 The same procedure as in Example 1 was carried out except that 1Z2 (corresponding to 0.25 part of palladium metal) of the catalyst obtained by the above method was used.
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Description
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Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US12/159,396 US7994091B2 (en) | 2005-12-27 | 2006-12-26 | Method for producing palladium-containing catalyst |
| JP2007505315A JP5049118B2 (ja) | 2005-12-27 | 2006-12-26 | パラジウム含有触媒の製造方法 |
| KR1020087018266A KR101227713B1 (ko) | 2005-12-27 | 2006-12-26 | 팔라듐 함유 촉매의 제조 방법 |
| CN2006800535081A CN101495231B (zh) | 2005-12-27 | 2006-12-26 | 制备含钯催化剂的方法 |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2005375348 | 2005-12-27 | ||
| JP2005-375348 | 2005-12-27 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2007074804A1 true WO2007074804A1 (ja) | 2007-07-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| PCT/JP2006/325854 Ceased WO2007074804A1 (ja) | 2005-12-27 | 2006-12-26 | パラジウム含有触媒の製造方法 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US7994091B2 (ja) |
| JP (1) | JP5049118B2 (ja) |
| KR (1) | KR101227713B1 (ja) |
| CN (1) | CN101495231B (ja) |
| WO (1) | WO2007074804A1 (ja) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2014511434A (ja) * | 2011-02-03 | 2014-05-15 | コミッサリア ア レネルジー アトミーク エ オ ゼネルジ ザルタナテイヴ | プラチノイド元素以外に1種以上の他の元素を含有してなる酸性水溶液から少なくとも1種のプラチノイド元素を分離する方法 |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101183773B1 (ko) * | 2005-02-18 | 2012-09-17 | 미츠비시 레이온 가부시키가이샤 | 팔라듐 함유 촉매, 그 제조 방법 및 α,β-불포화카르복실산의 제조 방법 |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004141863A (ja) * | 2002-09-30 | 2004-05-20 | Mitsubishi Rayon Co Ltd | パラジウム含有触媒の製造方法 |
| JP2005324084A (ja) * | 2004-05-12 | 2005-11-24 | Mitsubishi Rayon Co Ltd | パラジウム含有触媒の製造方法およびパラジウム含有触媒並びにそれを用いたα,β−不飽和カルボン酸の製造方法 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US3410807A (en) * | 1967-02-09 | 1968-11-12 | Lummus Co | Solutions containing noble metal compounds |
| US4004051A (en) * | 1974-02-15 | 1977-01-18 | Crown City Plating Company | Aqueous noble metal suspensions for one stage activation of nonconductors for electroless plating |
| US4016200A (en) | 1974-03-12 | 1977-04-05 | Mitsubishi Chemical Industries Ltd. | Process for preparing carboxylic acid esters from toluene and xylene |
| US4435598A (en) * | 1977-10-28 | 1984-03-06 | National Distillers And Chemical Corporation | Process for the catalytic oxidation of propylene to acrylic acid |
| JPS56123946A (en) * | 1980-03-05 | 1981-09-29 | Asahi Chem Ind Co Ltd | Preparation of unsaturated carboxylic acid ester |
| CA1238053A (en) | 1983-12-07 | 1988-06-14 | Sun Refining And Marketing Company | INCREASED SELECTIVITIES IN THE OXIDATION OF OLEFINS TO .alpha.,.beta.-UNSATURATED CARBOXYLIC ACIDS |
| JPS60155148A (ja) | 1983-12-07 | 1985-08-15 | サン リフアイニング アンド マ−ケテイング カンパニ− | オレフインのα,β−不飽和カルボン酸への酸化に於ける増加した選択性 |
| US5250101A (en) * | 1991-04-08 | 1993-10-05 | Mitsubishi Gas Chemical Company, Inc. | Process for the production of fine powder |
| US20020151747A1 (en) | 2001-04-12 | 2002-10-17 | Unruh Jerry D. | Method for the manufacture of acrylic or methacrylic acid |
| JP2005144432A (ja) * | 2003-11-18 | 2005-06-09 | Rohm & Haas Co | アルカンをアルケン、およびそれらの対応する酸素化生成物に転化するための触媒系 |
| US7498462B2 (en) | 2004-02-09 | 2009-03-03 | Mitsubishi Rayon Co., Ltd. | Process for producing α,β-unsaturated carboxylic acid |
| JP4204491B2 (ja) * | 2004-02-10 | 2009-01-07 | 三菱レイヨン株式会社 | パラジウム含有担持触媒及びその製造方法、並びに、α,β−不飽和カルボン酸の製造方法 |
| JP4846575B2 (ja) | 2004-06-02 | 2011-12-28 | 三菱レイヨン株式会社 | α,β−不飽和カルボン酸の製造方法 |
| US7446223B2 (en) | 2004-06-04 | 2008-11-04 | Mitsubishi Rayon Co., Ltd. | Palladium-containing catalyst and method for producing same |
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2006
- 2006-12-26 KR KR1020087018266A patent/KR101227713B1/ko not_active Expired - Fee Related
- 2006-12-26 JP JP2007505315A patent/JP5049118B2/ja not_active Expired - Fee Related
- 2006-12-26 WO PCT/JP2006/325854 patent/WO2007074804A1/ja not_active Ceased
- 2006-12-26 CN CN2006800535081A patent/CN101495231B/zh not_active Expired - Fee Related
- 2006-12-26 US US12/159,396 patent/US7994091B2/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004141863A (ja) * | 2002-09-30 | 2004-05-20 | Mitsubishi Rayon Co Ltd | パラジウム含有触媒の製造方法 |
| JP2005324084A (ja) * | 2004-05-12 | 2005-11-24 | Mitsubishi Rayon Co Ltd | パラジウム含有触媒の製造方法およびパラジウム含有触媒並びにそれを用いたα,β−不飽和カルボン酸の製造方法 |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2014511434A (ja) * | 2011-02-03 | 2014-05-15 | コミッサリア ア レネルジー アトミーク エ オ ゼネルジ ザルタナテイヴ | プラチノイド元素以外に1種以上の他の元素を含有してなる酸性水溶液から少なくとも1種のプラチノイド元素を分離する方法 |
Also Published As
| Publication number | Publication date |
|---|---|
| US7994091B2 (en) | 2011-08-09 |
| JPWO2007074804A1 (ja) | 2009-06-04 |
| JP5049118B2 (ja) | 2012-10-17 |
| CN101495231A (zh) | 2009-07-29 |
| KR101227713B1 (ko) | 2013-01-29 |
| KR20080090461A (ko) | 2008-10-08 |
| CN101495231B (zh) | 2012-01-25 |
| US20100234639A1 (en) | 2010-09-16 |
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