WO2005056185A1 - 複合酸化物触媒の製造方法 - Google Patents
複合酸化物触媒の製造方法 Download PDFInfo
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- WO2005056185A1 WO2005056185A1 PCT/JP2004/013461 JP2004013461W WO2005056185A1 WO 2005056185 A1 WO2005056185 A1 WO 2005056185A1 JP 2004013461 W JP2004013461 W JP 2004013461W WO 2005056185 A1 WO2005056185 A1 WO 2005056185A1
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- WIPO (PCT)
- Prior art keywords
- producing
- composite oxide
- oxide catalyst
- nitrate
- catalyst
- Prior art date
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Classifications
-
- 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
- C07C51/25—Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation with molecular oxygen of unsaturated compounds containing no six-membered aromatic ring
- C07C51/252—Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation with molecular oxygen of unsaturated compounds containing no six-membered aromatic ring of propene, butenes, acrolein or methacrolein
-
- 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
-
- 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
- B01J23/70—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper
- B01J23/76—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper combined with metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36
- B01J23/84—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper combined with metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36 with arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
- B01J23/85—Chromium, molybdenum or tungsten
- B01J23/88—Molybdenum
- B01J23/887—Molybdenum containing in addition other metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36
- B01J23/8876—Arsenic, antimony or bismuth
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C45/00—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds
- C07C45/27—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by oxidation
- C07C45/32—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by oxidation with molecular oxygen
- C07C45/33—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by oxidation with molecular oxygen of CHx-moieties
- C07C45/34—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by oxidation with molecular oxygen of CHx-moieties in unsaturated compounds
- C07C45/35—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by oxidation with molecular oxygen of CHx-moieties in unsaturated compounds in propene or isobutene
-
- 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
- B01J23/16—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
- B01J23/24—Chromium, molybdenum or tungsten
- B01J23/31—Chromium, molybdenum or tungsten combined with bismuth
-
- 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
-
- 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
- B01J37/0009—Use of binding agents; Moulding; Pressing; Powdering; Granulating; Addition of materials ameliorating the mechanical properties of the product catalyst
-
- 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
- B01J37/02—Impregnation, coating or precipitation
- B01J37/0201—Impregnation
-
- 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
- B01J37/02—Impregnation, coating or precipitation
- B01J37/0215—Coating
-
- 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
- B01J37/02—Impregnation, coating or precipitation
- B01J37/03—Precipitation; Co-precipitation
- B01J37/031—Precipitation
Definitions
- the present invention relates to a composite oxide catalyst capable of producing a corresponding unsaturated aldehyde and an unsaturated carboxylic acid in a high yield and with good reproducibility and advantageously in a gas phase catalytically oxidizing an olefin with a molecular oxygen-containing gas. It relates to a manufacturing method.
- Patent Document 1 discloses that in a molybdenum-bismuth-based composite oxide catalyst, a water-soluble raw material is used for a molybdenum component, and a bismuth component is a water-insoluble raw material that does not disperse each raw material component uniformly.
- the production method in a homogeneous system is described. It is described that the purpose is to avoid a decrease in catalytic performance due to the use of a large amount of nitrate when the bismuth component is a water-soluble nitrate.
- components such as molybdenum and bismuth are solidified and integrated by thermal diffusion in a firing step as a final step.
- Patent Document 2 discloses that the activity, selectivity, and catalyst life of a molybdenum-bismuth-based composite oxide catalyst are determined by the amount of nitrate in an aqueous solution of a raw material mixture of a catalyst component at the time of preparation. Are disclosed to be relevant. Then, in order to improve the catalyst performance, the amount of nitrate in the aqueous solution of the raw material mixture at the time of preparing the catalyst was reduced.
- the content ratio of 3 be 1.8 or less.
- Patent Document 3 discloses a method for producing a molybdenum, bismuth, iron, cobalt and Z or nickel-based composite oxide catalyst.
- a catalyst precursor powder containing components such as molybdenum, iron, cobalt, and Z or nickel is prepared in advance, and the resulting catalyst precursor powder is mixed with a bismuth component, integrated, dried and calcined.
- a high-performance catalyst be produced.
- Patent Document 1 Japanese Patent Publication No. 5—87299
- Patent Document 2 JP-A-2000-325795
- Patent Document 3 JP 2003-205240 A
- the object of the present invention is to reproducibly obtain the corresponding unsaturated aldehyde and unsaturated carboxylic acid in high yield by gas phase catalytic oxidation of olefins with a molecular oxygen-containing gas.
- An object of the present invention is to provide a method for producing a catalyst which can be produced advantageously. Means for solving the problem
- the aqueous dispersion containing the component (A), the component (C), and the component (D) is dried, and the dried product is heat-treated.
- the catalyst precursor powder and the component (B) raw material are integrated in an aqueous solvent, and the integrated product is dried and calcined to produce a composite oxide catalyst, the nitric acid contained in the aqueous dispersion is used.
- the amount of the root (NO) is greatly related to the catalytic performance of the composite oxide catalyst to be produced.
- the present invention has a gist having the following features.
- Molybdenum, (B) bismuth, (C) used in the production of corresponding unsaturated aldehydes and unsaturated carboxylic acids by gas-phase catalytic oxidation of olefins with a molecular oxygen-containing gas.
- the component (A), the component (C) and the component (D) are integrally incorporated.
- a method for producing acrolein and acrylic acid by subjecting propylene to gas-phase catalytic oxidation with a molecular oxygen-containing gas in the presence of the composite oxide catalyst obtained by the production method according to any one of the above items 15 to 15.
- the conversion of olefin used in producing gaseous phase catalytically oxidized gas with a molecular oxygen-containing gas to produce the corresponding unsaturated aldehyde and unsaturated carboxylic acid respectively.
- a composite oxide catalyst containing at least (A) molybdenum, (B) bismuth, (C) conoreto and Z or nickel, and (D) iron, which have excellent characteristics with respect to selectivity of the target substance. Is provided.
- the catalyst produced by the present invention is a composite oxide catalyst containing at least (A) molybdenum, (B) bismuth, (C) cobalt and Z or nickel, and (D) iron.
- A molybdenum
- B bismuth
- C cobalt
- Z or nickel nickel
- D iron
- Mo molybdenum
- Bi bismuth
- Co cobalt
- Ni nickel
- Fe iron
- Si silicon
- O oxygen
- X, Y, Z a, b, c, d, e, f, g, h, i, j and k are as defined above.
- the catalyst having the above composition according to the present invention is obtained by drying a dispersion obtained by integrating the component (A), the component (C), and the component (D) with an aqueous medium,
- the catalyst precursor powder produced through the pre-process of heat treatment is integrated with the component (B) raw material in an aqueous medium system, and the integrated product is dried and fired.
- integration of each component raw material means that an aqueous solution or aqueous dispersion of the raw material compound of each component is mixed or aged at once or stepwise, or mixed and aged.
- ripening refers to an operation of treating under specific conditions such as a certain time and a certain temperature to obtain desired physical properties and Z or chemical properties.
- the fixed time is usually in the range of 10 minutes to 24 hours
- the fixed temperature is usually in the range of the boiling point of an aqueous solution or aqueous dispersion at room temperature, preferably 10 to 95 ° C.
- a mixture of an iron compound, a nickel compound and a Z or cobalt compound is added to an aqueous solution of a molybdenum conjugate, and Depending on the conditions, the X component-containing compound, the Y component-containing compound, the Z component-containing compound, the Q component-containing compound, and other component-containing compounds other than bismuth such as silica are added, and the above-described integration treatment in an aqueous medium is performed. Done.
- the content of nitrate groups contained in the aqueous dispersion containing the respective component raw materials in the preceding step integrally satisfies the following formula (1).
- NO, Fe, Co, and Ni are the mole fractions of nitrate, iron, connort, and nickel, respectively.
- the value on the right side including the contents of nitrate, iron and nickel in the formula (1) is smaller than 1.2, the effect of the present invention cannot be sufficiently obtained.
- the value on the right side is preferably 1.3 or more, and particularly preferably 1.5 or more.
- the value on the right side is preferably 50 or less, particularly preferably 10 or less.
- nitrate chloride is preferably used as each catalyst component raw material.
- a thermally decomposable nitrate, preferably ammonium nitrate, or the like is preferably added to the aqueous dispersion.
- the slurry-like aqueous dispersion obtained by integrating the catalyst component raw materials in the preceding step is sufficiently stirred and then dried.
- the drying method and the state of the obtained dried product are not particularly limited.
- a powdery dried product may be obtained using a usual spray dryer, slurry dryer, drum dryer, etc. Blocks or flakes may be obtained using a dryer or a tunnel-type firing furnace.
- the dried granules or cakes are subjected to a short-time heat treatment in air at a temperature of 200 to 400 ° C, preferably 250 to 350 ° C.
- the type and method of the furnace at that time are not particularly limited.
- the dried product may be heated in a fixed state using a normal box-type heating furnace, a tunnel-type heating furnace, or the like, or The dried product may be heated while flowing using a rotary kiln or the like.
- the catalyst precursor powder obtained in the preceding step and the bismuth raw material compound are integrated in an aqueous medium.
- water is used to stabilize the slurry.
- a basic substance such as ammonia during sexual medium is preferably added to a 0. 01- 20 weight 0/0.
- the bismuth raw material conjugate is preferably a compound that is hardly soluble or insoluble in water.
- the bismuth raw material conjugate is preferably used in the form of a powder.
- the catalyst precursor powder and the bismuth raw material compound may be particles having a large diameter, but are small and particles in order to efficiently promote the thermal diffusion reaction between the particles in the firing step performed in the next step V. Is more preferred. It is preferable that these raw materials are pulverized to preferably have an average particle diameter of 0.1 to 1000 m.
- the obtained slurry is sufficiently stirred and then dried.
- the dried product thus obtained is shaped into an arbitrary shape by a method such as extrusion molding, tablet molding, or carrier molding. This is then subjected to a final heat treatment, preferably at a temperature of 450-600 ° C., preferably for about 116 hours. In this way, a composite oxide catalyst having high activity and providing the desired oxidation product in high yield can be obtained.
- a compound of iron, cobalt and nickel preferably an aqueous solution of each nitrate
- an appropriate aqueous solution of molybdenum conjugate preferably an aqueous solution of ammonium molybdate.
- a compound of sodium, potassium, rubidium, thallium, boron, phosphorus, arsenic, and / or tandasten is preferably obtained as a water-soluble salt or an aqueous solution thereof. More preferably, ammonium nitrate is prepared as an aqueous solution, and NO
- the obtained heat-treated product is dispersed in water, preferably after adding aqueous ammonia, and then adding a bismuth compound powder.
- the bismuth compound powder include (1) at least one of bismuth oxide and bismuth subcarbonate, (2) bismuth subcarbonate in which Na is dissolved, (31 and: the ⁇ component (where is the same as the above definition)) Complex carbonate compounds or (4) complex carbonate conjugates of Bi, Na and X containing Na and X components are preferred.
- the obtained slurry is thoroughly stirred and then dried. Obtained in this way
- the dried product is formed into an arbitrary shape by a method such as extrusion molding, tablet molding, or carrier molding.
- the molded article is fired in air at a temperature of preferably 450 to 600 ° C., preferably for about 116 hours.
- the specific surface area, average pore diameter, and pore volume of the composite oxide catalyst produced by the present invention are within the range of existing catalysts, and are not particularly limited.
- the surface area is preferably 5-25 m 2 Zg, the average pore diameter is 0.03—: m, and the pore volume is preferably 0.2-0.7 cc Zg.
- means for producing the corresponding unsaturated aldehyde and unsaturated carboxylic acid by using the above catalyst and subjecting the olefin to gas phase catalytic oxidation using a molecular oxygen-containing gas is known. It can be performed by the method of. For example, the reaction is performed using a fixed-bed tubular reactor. In this case, the reaction can be carried out under a condition generally used for this type of reaction, whether it is a simple flow method or a reital method through a reactor.
- a mixed gas such as propylene, 11 to 15% by volume, molecular oxygen, 3 to 30% by volume, steam, 0 to 60% by volume, and an inert gas such as nitrogen and carbon dioxide, 20 to 80% by volume is used. It is introduced into the catalyst layer packed in each reaction tube having an inner diameter of preferably 15 to 50 mm at 250 to 450 ° C. under a pressure of 0.1 to 1 MPa at a space velocity (SV) of 300 to 5000 hr- 1 . Further, in the present invention, it is possible to operate under high load reaction conditions, for example, under a condition of a higher raw material concentration or a high space velocity in order to further increase productivity.
- SV space velocity
- Ammonium paramolybdate 94.lg was dissolved by heating in 400 ml of pure water. Next, 7.18 g of ferric nitrate, 38.7 g of nitrate nitrate and 25.8 g of nickel nitrate were heated and dissolved in 60 ml of pure water. These solutions were slowly mixed with good stirring.
- Comparative Example 1 A composite oxide catalyst having the same composition as in Example 1 was produced in the same manner as in Example 1, except that ammonium nitrate was not added.
- the ratio of the molar amount of nitrate groups in the aqueous dispersion in the previous step and the molar amounts of Fe, Co, and Ni calculated from the raw material charge was as follows.
- Ammonium paramolybdate 94.lg was dissolved by heating in 400 ml of pure water. Next, 7.18 g of ferric nitrate, 38.7 g of nitrate nitrate and 25.8 g of nickel nitrate were heated and dissolved in 60 ml of pure water. These solutions were slowly mixed with good stirring.
- the obtained granular solid was pulverized and dispersed in 150 ml of pure water by adding 10 ml of aqueous ammonia. Next, 58.lg of bismuth subcarbonate in which 0.52% by weight of Na was dissolved was added, and the mixture was stirred and mixed. After heating and drying the slurry, the obtained granular solid was tableted into a tablet having a diameter of 5 mm and a height of 4 mm using a small molding machine, and then calcined at 500 ° C. for 4 hours to obtain a catalyst.
- the catalyst calculated from the charged raw materials is a composite oxide having the following atomic ratio.
- Ammonium paramolybdate 94.lg was dissolved by heating in 400 ml of pure water. Next, 7.18 g of ferric nitrate, 38.7 g of nitrate nitrate and 25.8 g of nickel nitrate were heated and dissolved in 60 ml of pure water. These solutions were slowly mixed with good stirring. Next, 0.85 g of borax and 0.36 g of potassium nitrate were dissolved in 40 ml of pure water while heating, and added to the slurry. Next, 360 ml of pure water and 358.2 g of ammonium nitrate were dissolved with heating, and added to the slurry. Next, 64 g of silica was added, followed by sufficient stirring.
- the obtained granular solid was pulverized, and dispersed in 150 ml of pure water by adding 10 ml of aqueous ammonia. Next, 58.lg of bismuth subcarbonate in which 0.52% by weight of Na was dissolved was added, and the mixture was stirred and mixed. After heating and drying the slurry, the obtained granular solid was tableted into a tablet having a diameter of 5 mm and a height of 4 mm using a small molding machine, and then calcined at 500 ° C. for 4 hours to obtain a catalyst.
- the catalyst calculated from the charged raw materials is a composite oxide having the following atomic ratio.
- the catalyst produced by the method of the present invention is used for producing a corresponding unsaturated aldehyde and unsaturated carboxylic acid at a high yield by gas-phase catalytic oxidation of olefin with a molecular oxygen-containing gas.
- the unsaturated aldehydes and unsaturated carboxylic acids produced are widely used as raw materials for various chemicals, monomers for general-purpose resins, monomers for functional resins such as water-absorbing resins, flocculants and thickeners. used.
Abstract
Description
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Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2003415020A JP2005169311A (ja) | 2003-12-12 | 2003-12-12 | 複合酸化物触媒の製造方法 |
JP2003-415020 | 2003-12-12 |
Publications (1)
Publication Number | Publication Date |
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WO2005056185A1 true WO2005056185A1 (ja) | 2005-06-23 |
Family
ID=34675112
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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PCT/JP2004/013461 WO2005056185A1 (ja) | 2003-12-12 | 2004-09-15 | 複合酸化物触媒の製造方法 |
Country Status (3)
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JP (1) | JP2005169311A (ja) |
CN (1) | CN1697701A (ja) |
WO (1) | WO2005056185A1 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7482501B2 (en) | 2005-01-17 | 2009-01-27 | Boehringer Ingelheim International Gmbh | Process for continuous ringclosing metathesis in compressed carbondioxide |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2007075735A (ja) * | 2005-09-14 | 2007-03-29 | Mitsubishi Rayon Co Ltd | モリブデン、ビスマス、及び鉄含有酸化物触媒の製造方法 |
JP5387297B2 (ja) | 2009-09-30 | 2014-01-15 | 住友化学株式会社 | 複合酸化物触媒の製造方法 |
DE102013004755B4 (de) | 2013-03-20 | 2014-12-11 | Clariant International Ltd. | Kompositmaterial enthaltend ein Bismut-Molybdän-Nickel-Mischoxid oder ein Bismut-Molybdän-Cobalt-Mischoxid und SiO2 |
JP6238354B2 (ja) * | 2014-02-07 | 2017-11-29 | 日本化薬株式会社 | 不飽和アルデヒドおよび/または不飽和カルボン酸製造用触媒およびその製造方法ならびに不飽和アルデヒドおよび/または不飽和カルボン酸の製造方法 |
JP2017176931A (ja) * | 2016-03-28 | 2017-10-05 | 三菱ケミカル株式会社 | 触媒 |
CN110227482A (zh) * | 2018-03-05 | 2019-09-13 | 上海华谊新材料有限公司 | 复合氧化物催化剂及其制备方法 |
CN112439442B (zh) * | 2019-09-05 | 2023-08-11 | 中石油吉林化工工程有限公司 | 一种丙烯氧化制丙烯醛的催化剂制备方法 |
CN117042878A (zh) | 2021-03-24 | 2023-11-10 | 三菱化学株式会社 | 催化剂、催化剂的制造方法、以及α,β-不饱和醛、α,β-不饱和羧酸和α,β-不饱和羧酸酯的制造方法 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS62234549A (ja) * | 1986-03-24 | 1987-10-14 | Mitsubishi Petrochem Co Ltd | 複合酸化物触媒の製造法 |
JPH02227140A (ja) * | 1989-03-01 | 1990-09-10 | Mitsubishi Rayon Co Ltd | メタクロレイン及びメタクリル酸の製造用触媒の調製法 |
JP2000288396A (ja) * | 1999-04-09 | 2000-10-17 | Sumitomo Chem Co Ltd | 不飽和アルデヒド及び不飽和カルボン酸合成用の複合酸化物触媒の製造法 |
WO2002049757A2 (de) * | 2000-12-18 | 2002-06-27 | Basf Aktiengesellschaft | Verfahren zur herstellung einer mo, bi, fe sowie ni und/oder co enthaltenden multimetalloxidaktivmasse |
JP2003220335A (ja) * | 2001-11-21 | 2003-08-05 | Mitsubishi Chemicals Corp | 複合酸化物触媒の製造方法 |
-
2003
- 2003-12-12 JP JP2003415020A patent/JP2005169311A/ja not_active Withdrawn
-
2004
- 2004-09-15 CN CN 200480000345 patent/CN1697701A/zh active Pending
- 2004-09-15 WO PCT/JP2004/013461 patent/WO2005056185A1/ja active Application Filing
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS62234549A (ja) * | 1986-03-24 | 1987-10-14 | Mitsubishi Petrochem Co Ltd | 複合酸化物触媒の製造法 |
JPH02227140A (ja) * | 1989-03-01 | 1990-09-10 | Mitsubishi Rayon Co Ltd | メタクロレイン及びメタクリル酸の製造用触媒の調製法 |
JP2000288396A (ja) * | 1999-04-09 | 2000-10-17 | Sumitomo Chem Co Ltd | 不飽和アルデヒド及び不飽和カルボン酸合成用の複合酸化物触媒の製造法 |
WO2002049757A2 (de) * | 2000-12-18 | 2002-06-27 | Basf Aktiengesellschaft | Verfahren zur herstellung einer mo, bi, fe sowie ni und/oder co enthaltenden multimetalloxidaktivmasse |
JP2003220335A (ja) * | 2001-11-21 | 2003-08-05 | Mitsubishi Chemicals Corp | 複合酸化物触媒の製造方法 |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7482501B2 (en) | 2005-01-17 | 2009-01-27 | Boehringer Ingelheim International Gmbh | Process for continuous ringclosing metathesis in compressed carbondioxide |
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Publication number | Publication date |
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CN1697701A (zh) | 2005-11-16 |
JP2005169311A (ja) | 2005-06-30 |
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