WO1995005241A1 - Ammoxidation catalyst composition - Google Patents
Ammoxidation catalyst composition Download PDFInfo
- Publication number
- WO1995005241A1 WO1995005241A1 PCT/JP1994/001356 JP9401356W WO9505241A1 WO 1995005241 A1 WO1995005241 A1 WO 1995005241A1 JP 9401356 W JP9401356 W JP 9401356W WO 9505241 A1 WO9505241 A1 WO 9505241A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- catalyst composition
- catalyst
- ammoxidation
- silica
- iron
- Prior art date
Links
- 239000003054 catalyst Substances 0.000 title claims abstract description 97
- 239000000203 mixture Substances 0.000 title claims abstract description 71
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 63
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- QQONPFPTGQHPMA-UHFFFAOYSA-N propylene Natural products CC=C QQONPFPTGQHPMA-UHFFFAOYSA-N 0.000 claims abstract description 33
- 125000004805 propylene group Chemical group [H]C([H])([H])C([H])([*:1])C([H])([H])[*:2] 0.000 claims abstract description 33
- 239000000377 silicon dioxide Substances 0.000 claims abstract description 31
- RMAQACBXLXPBSY-UHFFFAOYSA-N silicic acid Chemical compound O[Si](O)(O)O RMAQACBXLXPBSY-UHFFFAOYSA-N 0.000 claims abstract description 28
- NLHHRLWOUZZQLW-UHFFFAOYSA-N Acrylonitrile Chemical compound C=CC#N NLHHRLWOUZZQLW-UHFFFAOYSA-N 0.000 claims abstract description 23
- VQTUBCCKSQIDNK-UHFFFAOYSA-N Isobutene Chemical group CC(C)=C VQTUBCCKSQIDNK-UHFFFAOYSA-N 0.000 claims abstract description 22
- 238000004519 manufacturing process Methods 0.000 claims abstract description 20
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 17
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- 229910052797 bismuth Inorganic materials 0.000 claims abstract description 17
- JCXGWMGPZLAOME-UHFFFAOYSA-N bismuth atom Chemical compound [Bi] JCXGWMGPZLAOME-UHFFFAOYSA-N 0.000 claims abstract description 17
- 229910052742 iron Inorganic materials 0.000 claims abstract description 17
- GYCMBHHDWRMZGG-UHFFFAOYSA-N Methylacrylonitrile Chemical compound CC(=C)C#N GYCMBHHDWRMZGG-UHFFFAOYSA-N 0.000 claims abstract description 16
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 claims abstract description 16
- 229910052750 molybdenum Inorganic materials 0.000 claims abstract description 16
- 239000011733 molybdenum Substances 0.000 claims abstract description 16
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- 239000010703 silicon Substances 0.000 claims abstract description 15
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- 238000006243 chemical reaction Methods 0.000 claims description 41
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims description 22
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- 239000011148 porous material Substances 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- YWECOPREQNXXBZ-UHFFFAOYSA-N praseodymium(3+);trinitrate Chemical compound [Pr+3].[O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O YWECOPREQNXXBZ-UHFFFAOYSA-N 0.000 description 1
- 239000011541 reaction mixture Substances 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- RTHYXYOJKHGZJT-UHFFFAOYSA-N rubidium nitrate Inorganic materials [Rb+].[O-][N+]([O-])=O RTHYXYOJKHGZJT-UHFFFAOYSA-N 0.000 description 1
- 239000000741 silica gel Substances 0.000 description 1
- 229910002027 silica gel Inorganic materials 0.000 description 1
- 239000011863 silicon-based powder Substances 0.000 description 1
- 235000010344 sodium nitrate Nutrition 0.000 description 1
- 239000004317 sodium nitrate Substances 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 229910052712 strontium Inorganic materials 0.000 description 1
- CIOAGBVUUVVLOB-UHFFFAOYSA-N strontium atom Chemical compound [Sr] CIOAGBVUUVVLOB-UHFFFAOYSA-N 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 150000003467 sulfuric acid derivatives Chemical class 0.000 description 1
- 239000006228 supernatant Substances 0.000 description 1
- 229910052714 tellurium Inorganic materials 0.000 description 1
- PORWMNRCUJJQNO-UHFFFAOYSA-N tellurium atom Chemical compound [Te] PORWMNRCUJJQNO-UHFFFAOYSA-N 0.000 description 1
- 229910052716 thallium Inorganic materials 0.000 description 1
- BKVIYDNLLOSFOA-UHFFFAOYSA-N thallium Chemical compound [Tl] BKVIYDNLLOSFOA-UHFFFAOYSA-N 0.000 description 1
- AYEKOFBPNLCAJY-UHFFFAOYSA-O thiamine pyrophosphate Chemical compound CC1=C(CCOP(O)(=O)OP(O)(O)=O)SC=[N+]1CC1=CN=C(C)N=C1N AYEKOFBPNLCAJY-UHFFFAOYSA-O 0.000 description 1
- KHAUBYTYGDOYRU-IRXASZMISA-N trospectomycin Chemical compound CN[C@H]([C@H]1O2)[C@@H](O)[C@@H](NC)[C@H](O)[C@H]1O[C@H]1[C@]2(O)C(=O)C[C@@H](CCCC)O1 KHAUBYTYGDOYRU-IRXASZMISA-N 0.000 description 1
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 1
- 229910052721 tungsten Inorganic materials 0.000 description 1
- 239000010937 tungsten Substances 0.000 description 1
- 229910052720 vanadium Inorganic materials 0.000 description 1
- LEONUFNNVUYDNQ-UHFFFAOYSA-N vanadium atom Chemical compound [V] LEONUFNNVUYDNQ-UHFFFAOYSA-N 0.000 description 1
- 239000012808 vapor phase Substances 0.000 description 1
- 229910052726 zirconium Inorganic materials 0.000 description 1
Classifications
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C253/00—Preparation of carboxylic acid nitriles
- C07C253/24—Preparation of carboxylic acid nitriles by ammoxidation of hydrocarbons or substituted hydrocarbons
- C07C253/26—Preparation of carboxylic acid nitriles by ammoxidation of hydrocarbons or substituted hydrocarbons containing carbon-to-carbon multiple bonds, e.g. unsaturated aldehydes
-
- 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/50—Improvements relating to the production of bulk chemicals
- Y02P20/52—Improvements relating to the production of bulk chemicals using catalysts, e.g. selective catalysts
Definitions
- the present invention relates to a catalyst composition for use in gas-phase catalytic ammoxidation of propylene or isobutylene.
- an oxide catalyst containing a specific ratio of an oxide containing bismuth molybdenum and iron, and an oxide of at least one element selected from potassium, rubidium and cesium;
- An ammoxidation catalyst composition comprising a silica carrier that supports, wherein the aluminum content of silica sol as a silica source used for the production is extremely small.
- the ammoxidation catalyst composition of the present invention in the industrial production of acrylonitrile or methacrylonitrile from propylene or isobutylene, the desired product can be obtained. The selectivity can be improved.
- the process of producing acrylonitrile or methacrylonitrile by vapor-phase oxidation of propylene or isobutylene with a molecular oxygen-containing gas in the presence of ammonia is referred to as the “ammoxidation process”. And is widely practiced on an industrial scale. Many compositions and production methods of catalysts containing molybdenum, bismuth, and iron used in this ammoxidation process have been published. For example, USP 4,966,393, USP 5,071,814, USP 4,192,776, Japanese Patent Publication No.
- Each of the above disclosures describes a method for producing a catalyst using silica as a carrier of a catalyst and using silica sol as a silica source. However, there is no disclosure of the purity of the silica sol.
- the present inventor has determined that at least one element selected from the group consisting of oxides of molybdenum, bismuth and iron, and also of calcium, rubidium and cesium for use in the ammoxidation reaction of propylene or isobutylene.
- an ammoxidation catalyst composition comprising an oxide catalyst containing an oxide of the formula (II) and a silica carrier supporting the oxide catalyst, the physical or chemical properties of silica sol used as a silica source are eagerly studied.
- the catalyst obtained using a high-purity silica sol with extremely low The inventors have found that the solvent composition improves the selectivity to acrylonitrile or metaacrylonitrile, and have completed the present invention.
- one object of the present invention is to provide a high selection of the desired product in the industrial production of acrylonitrile or methacrylonitrile from propylene or isobutylene.
- An object of the present invention is to provide an improved ammoxidation catalyst composition comprising a silica carrier supporting the catalyst.
- Another object of the present invention is to provide a method for producing acrylonitrile or methacrylonitrile from propylene or isobutylene using the improved ammoxidation catalyst composition described above. To provide.
- an ammoxidation catalyst composition used for producing acrylonitrile or methacrylonitrile from propylene or isobutylene by an ammoxidation reaction.
- Molybdenum, bismuth and iron oxides and at least one selected from potassium, rubidium and cesium.
- oxides of component A which is a kind of element, and the atomic ratio of bismuth, iron, and component A to 12 atoms of molybdenum is 0.1 to 6, 0.1 to 8, and 0, respectively.
- 0.1 to 0.5 comprising an oxide catalyst and a silica carrier supporting the oxide catalyst, wherein the silica carrier is based on the total amount of the oxide catalyst and the silica carrier. 40-60 weight.
- a Nmo oxidation catalyst set forming material present in the range of 0 re the slide rie consisting original Motogen component metallic elements of Siri Kazoru and oxide catalyst was prepared, spray-drying the slide rie, It is manufactured by subsequent firing, wherein the aluminum content of the silicon sol is 0.04 or less as an atomic ratio to 100 atoms of silicon.
- An ammoxidation catalyst composition is provided.
- a basic feature of the present invention is that, in the production of an ammoxidation catalyst composition comprising an oxide catalyst and a silica carrier supporting the same, silicon 100 is used as a silica source during the production thereof. It is characterized by using a silica sol having an aluminum content of not more than 0.04, preferably not more than 0.02 in atomic ratio on an atomic basis.
- the silica sol used in the ammoxidation catalyst composition of the present invention may be appropriately selected from high-purity silica sols obtained by various production methods as long as the content of aluminum is not more than the above-mentioned content specified in the present invention.
- a method for producing a high-purity silicon sol see, for example, US Pat. No. 4,624,800, 6 1 — 1 5 8 8 10 JP, JP 63-28 5 1 12 JP, EP 4 6 4 8 9 JP, JP 5 8 5 7 18 JP Reference can be made to Japanese Patent Publication No. 55-105534.
- the component metal elements of the oxide catalyst supported on silica include molybdenum, bismuth, iron, component A (such as potassium, rubidium and cesium). At least one element selected) is essential.
- Other optional components include cobalt, nickel, manganese, magnesium, zinc, chromium, indium, cerium, praseodymium, neodymium, lin, sodium, lithium, silver, silver, Thallium, calcium, strontium, norium, lead, lanthanum, summerium, gadolinium, gallium, zirconium, vanadium, niobium, tungsten, antimony, tellurium, palladium , Platinum, osmium and iridium.
- At least one element selected from cobalt and nickel is used in an amount of 10 or less at an atomic ratio of 12 atoms of molybdenum, and manganese, magnesium, zinc, chromium, indium, At least one element selected from cerium, praseodymium, neodymium, phosphorus and sodium Catalyst compositions containing less than or equal to 3 in atomic ratios of 1 to 12 atoms only increase the selectivity of propylene or isobutylene to acrylonitrile or methacrylonitrile. Therefore, it is easy to adjust the reaction activity and catalyst physical properties (surface area, pore distribution, particle shape or density) of propylene or isobutylene.
- phosphorus is also included in the category of metal element.
- ammoxidation catalyst composition of the present invention is carried out by using Japanese Patent Publication No. 54-12913 and Japanese Patent Publication No. 57-49253, except that high-purity silica sol is used.
- Etc. can be performed in substantially the same manner as the process disclosed in the above. That is, a raw slurry containing a silica sol and a metal element of the oxide catalyst is prepared first, then the slurry is spray-dried, and finally, the dried product is calcined. You can do that. ,
- the silica sol used for preparing the raw slurry in the first step has a silica content of 10 to 50% by weight, preferably 20 to 40% by weight.
- the element source of each metal element of the oxide catalyst is not particularly limited as long as it can be dissolved or dispersed in water or an aqueous acid solution such as nitric acid. It is desirable to use it in the form of a salt that is soluble in the solution.
- Preferred examples of the elemental source for each element include ammonium salts, nitrates, hydrochlorides, sulfates, and organic salts. More specifically, It is preferable to use ammonium heptamolybdate as a source of budene.
- the sources of bismuth, iron, calcium, rubidium and cesium it is preferable to use the respective nitrates.
- the oxide catalyst contains cobalt, nickel, manganese, magnesium, zinc, chromium, indium, cerium, praseodymium, neodymium, sodium, etc., use the respective nitrate.
- phosphorous is contained, phosphoric acid can be preferably used.
- aqueous solution of phosphoric acid first, and then add an aqueous solution of ammonium heptamolybdate while stirring the silica sol, and finally add the other solution.
- This can be suitably performed by adding a mixed solution of a nitrate of a metal element having the following composition.
- the atomization of the raw slurry in the second step can be usually performed by a centrifugal method or a two-fluid nozzle method that is industrially practiced.
- a drying heat source it is preferable to use, for example, indirect steam and / or air heated by an electric heater.
- the dryer inlet temperature is preferably 300 ° C or less, preferably in the range of 150 ° C to 250 ° C. '
- Denitration can be performed by treating at 350-450 ° C for 0.5-2.0 hours.
- the denitration-treated product thus obtained is calcined at 500 to 70 ° C, preferably at 550 to 720 ° C, to obtain a desired catalyst composition.
- the catalyst composition obtained here is a crystalline composition containing various molybdenum oxides and oxides of component metal elements such as bismuth and iron.
- the molybdate may be amorphized.
- the calcination temperature of the catalyst composition is too low, the conversion of propylene or isobutylene is high, but the selectivity to acrylonitrile or metaacrylonitrile is low.
- the firing temperature is too high, the conversion of propylene or isobutylene decreases, and the combustion of ammonia increases. Therefore, suitable firing temperature conditions are selected from the above range of 500 to 75 ° C., and the firing time is usually selected from the range of 1 to 5 hours. From the results such as the conversion of propylene or isobutylene and the burning rate of ammonia, the most preferable calcination conditions can be determined.
- the raw materials for the ammoxidation reaction, propylene, isobutylene and ammonia do not necessarily have to be of high purity, and industrial grade ones can be used.
- tertiary butanol can be suitably used as an alternative raw material for isoptylene.
- air is used as the oxygen-containing gas.
- the addition of water to the raw material gas may suppress the combustion activity of ammonia, but is indispensable because water is generated by the ammoxidation reaction. There is no.
- the volume ratio of ammonia and air to propylene or isobutylene is preferably in the range of 1: 0.9 to 1.4: 7 to 11, particularly 1: 1.0 to 1.3: 8 to 10.
- the reaction temperature is preferably in the range of 1: 0.9 to 1.4: 7 to 11, particularly 1: 1.0 to 1.3: 8 to 10.
- the reaction pressure can be set within a range from normal pressure to 3 atm.
- the contact time between the feed gas and the gamma oxidation catalyst composition is 1 to 8 seconds, preferably 2 to 6 seconds.
- the catalyst bed for the ammoxidation reaction may be a fixed bed or a fluidized bed.
- the ammoxidation catalyst composition of the present invention is more suitable for a fluidized bed ammoxidation reaction.
- propylene or isobutylene is brought into gaseous phase contact with ammonia and an oxygen-containing gas to form acrylonitrile or methacrylonitrile.
- the ammoxidation catalyst composition is formed by adding at least one element selected from molybdenum, bismuth and iron oxides, and calcium, rubidium and cesium. Including oxides of A, bismuth, iron, and the atomic ratio of component A to 12 atoms of molybdenum are 0.1 to 6 and 0:! And oxide catalysts of 0.01 to 0.5, and a silica carrier supporting the oxide catalyst, wherein the silica carrier is a total of the oxide catalyst and the silica carrier.
- An ammoxidation catalyst composition present in the range of 40 to 60% by weight based on the amount thereof, comprising preparing a slurry comprising silica sol and an elemental source of a component metal element of the oxide catalyst; Spray drying of leeches followed by firing Wherein the aluminum content of the silica sol is 0.04 or less in terms of atomic ratio to 100 atoms of silicon.
- a method for producing acrylonitrile or metaacrylonitrile characterized by using
- Lumped metal silicon containing 0.015 aluminum at an atomic ratio of 100 atomic atoms is ground into a 100-mesh (Tyler) pass and dried at 120 ° C. Let stand for 20 hours. 100 g of the dried silicon powder was poured into 400 g of hot water at 60 ° C., the mixture was stirred for 20 minutes while maintaining the water temperature at 60 ° C., and the mixture was allowed to stand to remove the supernatant. This hot water treatment was repeated twice more. The hydrous slurry of the metal silicon thus treated is placed in a reactor equipped with a stirrer, reflux condenser and thermometer containing 590 g of a 0.5% by weight sodium hydroxide solution.
- the mixture was charged and the reaction was stirred at a reaction temperature of 60 ° C. for 6 hours. After the completion of the reaction, the reaction mixture was cooled to room temperature, and unreacted metal silicon was filtered off.
- the sodium-containing silica sol obtained here was converted to 1.4 liters of ampoule.
- the silica gel containing 29% by weight of SiO 2 (E—1) was passed through Amonlite IR-120, a highly acidic cation exchange resin in the form of a monitor (manufactured by Rohm & Haas, USA).
- silica sol (E-1) To 3.55 g of silica sol (E-1), agitate 3.54 g of 85 weight. /. An aqueous solution of phosphoric acid is added, and then to 200 g of water.
- Catalyst compositions 2 to 18 having the compositions shown in Table 2 were produced in the same manner as described above.
- the same raw materials as those of the catalyst composition 1 were used as Mo, Bi, Fe, ⁇ , and resources.
- the ammoxidation catalyst composition of the present invention is useful for producing acrylonitrile or methacrylonitrile in the ammoxidation reaction of propylene or isobutylene.
- the selectivity of metacrylonitrile can be improved.
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
- Catalysts (AREA)
Description
Claims
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/583,028 US5780664A (en) | 1993-08-17 | 1993-08-16 | Ammoxidation catalyst composition |
KR1019960700748A KR100196369B1 (ko) | 1993-08-17 | 1994-08-16 | 암모 산화 촉매 조성물 |
DE69429180T DE69429180T2 (de) | 1993-08-17 | 1994-08-16 | Ammoxidation-katalysatorzusammensetzung |
EP94922381A EP0714697B1 (en) | 1993-08-17 | 1994-08-16 | Ammoxidation catalyst composition |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP5/222745 | 1993-08-17 | ||
JP22274593A JP3584940B2 (ja) | 1993-08-17 | 1993-08-17 | アンモ酸化触媒組成物 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO1995005241A1 true WO1995005241A1 (en) | 1995-02-23 |
Family
ID=16787246
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP1994/001356 WO1995005241A1 (en) | 1993-08-17 | 1994-08-16 | Ammoxidation catalyst composition |
Country Status (9)
Country | Link |
---|---|
US (1) | US5780664A (ja) |
EP (1) | EP0714697B1 (ja) |
JP (1) | JP3584940B2 (ja) |
KR (1) | KR100196369B1 (ja) |
CN (1) | CN1081084C (ja) |
DE (1) | DE69429180T2 (ja) |
ES (1) | ES2163447T3 (ja) |
TW (1) | TW328055B (ja) |
WO (1) | WO1995005241A1 (ja) |
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US5840648A (en) * | 1997-09-02 | 1998-11-24 | The Standard Oil Company | Catalyst for the manufacture of acrylonitrile and hydrogen cyanide |
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US6143928A (en) * | 1998-08-10 | 2000-11-07 | Saudi Basic Industries Corporation | Catalysts for low temperature selective oxidation of propylene, methods of making and using the same |
US6017846A (en) * | 1999-01-11 | 2000-01-25 | Saudi Basic Industries Corporation | Highly active and selective catalysts for the production of unsaturated nitriles, methods of making and using the same |
RU2159666C1 (ru) * | 1999-11-24 | 2000-11-27 | Дыкман Аркадий Самуилович | Способ очистки промышленных газовых выбросов |
US6458742B1 (en) * | 2000-08-17 | 2002-10-01 | The Standard Oil Company | Catalyst for the manufacture of acrylonitrile |
JP4159759B2 (ja) * | 2001-04-13 | 2008-10-01 | ダイヤニトリックス株式会社 | モリブデン−ビスマス−鉄含有複合酸化物流動層触媒の製法 |
JP4030740B2 (ja) | 2001-10-11 | 2008-01-09 | ダイヤニトリックス株式会社 | アンモ酸化用触媒の製造方法 |
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US7071140B2 (en) * | 2002-12-02 | 2006-07-04 | The Standard Oil Company | Catalyst for the manufacture of acrylonitrile |
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JP4242197B2 (ja) * | 2003-04-18 | 2009-03-18 | ダイヤニトリックス株式会社 | アクリロニトリル合成用触媒 |
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US11827585B2 (en) | 2018-03-28 | 2023-11-28 | Asahi Kasei Kabushiki Kaisha | Method for producing acrylonitrile |
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JPS5916817B2 (ja) * | 1979-04-18 | 1984-04-18 | 宇部興産株式会社 | アクリロニトリル製造用触媒 |
JPS5867349A (ja) * | 1981-10-20 | 1983-04-21 | Asahi Chem Ind Co Ltd | 触媒組成物 |
JPS5872550A (ja) * | 1981-10-26 | 1983-04-30 | Asahi Chem Ind Co Ltd | メタクリロニトリルの製造方法 |
JPS59204164A (ja) * | 1983-05-06 | 1984-11-19 | Asahi Chem Ind Co Ltd | 不飽和ニトリルの製法 |
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JPS61158810A (ja) * | 1984-12-28 | 1986-07-18 | Shokubai Kasei Kogyo Kk | 高純度シリカゾルの製造法 |
EP0265964A3 (en) * | 1986-10-31 | 1989-05-31 | Mitsubishi Gas Chemical Company, Inc. | Process for preparing alpha,beta-unsaturated aliphatic monocarboxylic acids or esters thereof |
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US5093299A (en) * | 1990-01-09 | 1992-03-03 | The Standard Oil Company | Catalyst for process for the manufacture of acrylonitrile and methacrylonitrile |
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-
1993
- 1993-08-16 US US08/583,028 patent/US5780664A/en not_active Expired - Lifetime
- 1993-08-17 JP JP22274593A patent/JP3584940B2/ja not_active Expired - Lifetime
-
1994
- 1994-08-16 ES ES94922381T patent/ES2163447T3/es not_active Expired - Lifetime
- 1994-08-16 WO PCT/JP1994/001356 patent/WO1995005241A1/ja active IP Right Grant
- 1994-08-16 EP EP94922381A patent/EP0714697B1/en not_active Expired - Lifetime
- 1994-08-16 DE DE69429180T patent/DE69429180T2/de not_active Expired - Lifetime
- 1994-08-16 KR KR1019960700748A patent/KR100196369B1/ko not_active IP Right Cessation
- 1994-08-16 CN CN94193133A patent/CN1081084C/zh not_active Expired - Lifetime
- 1994-08-16 TW TW083107509A patent/TW328055B/zh not_active IP Right Cessation
Patent Citations (2)
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JPS50125984A (ja) * | 1974-03-23 | 1975-10-03 | ||
JPS5556839A (en) * | 1978-10-20 | 1980-04-26 | Ube Ind Ltd | Acrylonitrile preparing catalyst using fludized bed reactor |
Non-Patent Citations (1)
Title |
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See also references of EP0714697A4 * |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5840648A (en) * | 1997-09-02 | 1998-11-24 | The Standard Oil Company | Catalyst for the manufacture of acrylonitrile and hydrogen cyanide |
Also Published As
Publication number | Publication date |
---|---|
TW328055B (en) | 1998-03-11 |
DE69429180T2 (de) | 2002-08-29 |
EP0714697B1 (en) | 2001-11-21 |
KR100196369B1 (ko) | 1999-06-15 |
CN1081084C (zh) | 2002-03-20 |
EP0714697A4 (en) | 1998-01-07 |
EP0714697A1 (en) | 1996-06-05 |
KR960703673A (ko) | 1996-08-31 |
ES2163447T3 (es) | 2002-02-01 |
DE69429180D1 (de) | 2002-01-03 |
US5780664A (en) | 1998-07-14 |
JP3584940B2 (ja) | 2004-11-04 |
CN1129408A (zh) | 1996-08-21 |
JPH0751570A (ja) | 1995-02-28 |
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