DE3429165C2 - - Google Patents
Info
- Publication number
- DE3429165C2 DE3429165C2 DE3429165A DE3429165A DE3429165C2 DE 3429165 C2 DE3429165 C2 DE 3429165C2 DE 3429165 A DE3429165 A DE 3429165A DE 3429165 A DE3429165 A DE 3429165A DE 3429165 C2 DE3429165 C2 DE 3429165C2
- Authority
- DE
- Germany
- Prior art keywords
- catalyst
- vanadium
- phosphorus
- microns
- acid
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
- 239000003054 catalyst Substances 0.000 claims description 88
- 229910052720 vanadium Inorganic materials 0.000 claims description 33
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 claims description 30
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims description 25
- 229910052698 phosphorus Inorganic materials 0.000 claims description 25
- 239000011574 phosphorus Substances 0.000 claims description 25
- 239000002245 particle Substances 0.000 claims description 23
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 20
- 239000002253 acid Substances 0.000 claims description 19
- 239000012018 catalyst precursor Substances 0.000 claims description 18
- 229910000147 aluminium phosphate Inorganic materials 0.000 claims description 14
- 238000001354 calcination Methods 0.000 claims description 11
- 238000001035 drying Methods 0.000 claims description 9
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 7
- 230000036571 hydration Effects 0.000 claims description 7
- 238000006703 hydration reaction Methods 0.000 claims description 7
- 239000001301 oxygen Substances 0.000 claims description 7
- 229910052760 oxygen Inorganic materials 0.000 claims description 7
- 239000007858 starting material Substances 0.000 claims description 7
- 238000000227 grinding Methods 0.000 claims description 6
- 238000010438 heat treatment Methods 0.000 claims description 6
- FPYJFEHAWHCUMM-UHFFFAOYSA-N maleic anhydride Chemical group O=C1OC(=O)C=C1 FPYJFEHAWHCUMM-UHFFFAOYSA-N 0.000 claims description 6
- 230000001590 oxidative effect Effects 0.000 claims description 5
- 239000012298 atmosphere Substances 0.000 claims description 4
- QCWXUUIWCKQGHC-UHFFFAOYSA-N Zirconium Chemical compound [Zr] QCWXUUIWCKQGHC-UHFFFAOYSA-N 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxide Chemical compound [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 claims description 3
- 238000002156 mixing Methods 0.000 claims description 3
- 229910052726 zirconium Inorganic materials 0.000 claims description 3
- 150000003608 titanium Chemical class 0.000 claims description 2
- GPPXJZIENCGNKB-UHFFFAOYSA-N vanadium Chemical compound [V]#[V] GPPXJZIENCGNKB-UHFFFAOYSA-N 0.000 claims 3
- 229940045605 vanadium Drugs 0.000 description 31
- LEONUFNNVUYDNQ-UHFFFAOYSA-N vanadium atom Chemical compound [V] LEONUFNNVUYDNQ-UHFFFAOYSA-N 0.000 description 31
- 238000005299 abrasion Methods 0.000 description 27
- 230000000694 effects Effects 0.000 description 15
- 238000000034 method Methods 0.000 description 14
- 235000011007 phosphoric acid Nutrition 0.000 description 14
- 239000004005 microsphere Substances 0.000 description 11
- IJDNQMDRQITEOD-UHFFFAOYSA-N n-butane Chemical compound CCCC IJDNQMDRQITEOD-UHFFFAOYSA-N 0.000 description 9
- 239000002002 slurry Substances 0.000 description 9
- 239000000463 material Substances 0.000 description 8
- 239000000203 mixture Substances 0.000 description 8
- 238000006243 chemical reaction Methods 0.000 description 6
- 239000002243 precursor Substances 0.000 description 6
- 239000007921 spray Substances 0.000 description 5
- 239000001273 butane Substances 0.000 description 4
- 238000002955 isolation Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- OFBQJSOFQDEBGM-UHFFFAOYSA-N n-pentane Natural products CCCCC OFBQJSOFQDEBGM-UHFFFAOYSA-N 0.000 description 4
- 150000003682 vanadium compounds Chemical class 0.000 description 4
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 3
- MUBZPKHOEPUJKR-UHFFFAOYSA-N Oxalic acid Chemical compound OC(=O)C(O)=O MUBZPKHOEPUJKR-UHFFFAOYSA-N 0.000 description 3
- 230000002411 adverse Effects 0.000 description 3
- 230000003197 catalytic effect Effects 0.000 description 3
- 239000010419 fine particle Substances 0.000 description 3
- 239000007789 gas Substances 0.000 description 3
- 238000007254 oxidation reaction Methods 0.000 description 3
- 239000000047 product Substances 0.000 description 3
- KAKZBPTYRLMSJV-UHFFFAOYSA-N Butadiene Chemical compound C=CC=C KAKZBPTYRLMSJV-UHFFFAOYSA-N 0.000 description 2
- 239000000498 cooling water Substances 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- GNTDGMZSJNCJKK-UHFFFAOYSA-N divanadium pentaoxide Chemical compound O=[V](=O)O[V](=O)=O GNTDGMZSJNCJKK-UHFFFAOYSA-N 0.000 description 2
- 238000011065 in-situ storage Methods 0.000 description 2
- 239000011261 inert gas Substances 0.000 description 2
- 235000012054 meals Nutrition 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 239000012299 nitrogen atmosphere Substances 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 230000001603 reducing effect Effects 0.000 description 2
- 150000003839 salts Chemical class 0.000 description 2
- 238000005063 solubilization Methods 0.000 description 2
- 230000007928 solubilization Effects 0.000 description 2
- 238000001694 spray drying Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- QWWIMOOFEDJKFN-UHFFFAOYSA-N titanium;dihydrate Chemical compound O.O.[Ti] QWWIMOOFEDJKFN-UHFFFAOYSA-N 0.000 description 2
- 150000003681 vanadium Chemical class 0.000 description 2
- WIWFPCBMLUXFOG-UHFFFAOYSA-J zirconium(4+);tetrahydroxide;hydrate Chemical compound O.[OH-].[OH-].[OH-].[OH-].[Zr+4] WIWFPCBMLUXFOG-UHFFFAOYSA-J 0.000 description 2
- RZVAJINKPMORJF-UHFFFAOYSA-N Acetaminophen Chemical compound CC(=O)NC1=CC=C(O)C=C1 RZVAJINKPMORJF-UHFFFAOYSA-N 0.000 description 1
- FEWJPZIEWOKRBE-JCYAYHJZSA-N Dextrotartaric acid Chemical compound OC(=O)[C@H](O)[C@@H](O)C(O)=O FEWJPZIEWOKRBE-JCYAYHJZSA-N 0.000 description 1
- UEZVMMHDMIWARA-UHFFFAOYSA-N Metaphosphoric acid Chemical compound OP(=O)=O UEZVMMHDMIWARA-UHFFFAOYSA-N 0.000 description 1
- FEWJPZIEWOKRBE-UHFFFAOYSA-N Tartaric acid Natural products [H+].[H+].[O-]C(=O)C(O)C(O)C([O-])=O FEWJPZIEWOKRBE-UHFFFAOYSA-N 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- 229910021552 Vanadium(IV) chloride Inorganic materials 0.000 description 1
- 229910021542 Vanadium(IV) oxide Inorganic materials 0.000 description 1
- SHGUVJPXKKRMRP-UHFFFAOYSA-N [O].CCCC Chemical compound [O].CCCC SHGUVJPXKKRMRP-UHFFFAOYSA-N 0.000 description 1
- 238000010306 acid treatment Methods 0.000 description 1
- 238000001632 acidimetric titration Methods 0.000 description 1
- 150000007513 acids Chemical class 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 238000005054 agglomeration Methods 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- 239000012431 aqueous reaction media Substances 0.000 description 1
- 239000011324 bead Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- XPPKVPWEQAFLFU-UHFFFAOYSA-N diphosphoric acid Chemical compound OP(O)(=O)OP(O)(O)=O XPPKVPWEQAFLFU-UHFFFAOYSA-N 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000004817 gas chromatography Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- IXCSERBJSXMMFS-UHFFFAOYSA-N hydrogen chloride Substances Cl.Cl IXCSERBJSXMMFS-UHFFFAOYSA-N 0.000 description 1
- 229910000041 hydrogen chloride Inorganic materials 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- -1 meta- Chemical compound 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 239000011325 microbead Substances 0.000 description 1
- 239000012430 organic reaction media Substances 0.000 description 1
- 235000006408 oxalic acid Nutrition 0.000 description 1
- 150000003018 phosphorus compounds Chemical class 0.000 description 1
- 229910001392 phosphorus oxide Inorganic materials 0.000 description 1
- 239000005297 pyrex Substances 0.000 description 1
- 229940005657 pyrophosphoric acid Drugs 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 239000011949 solid catalyst Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 235000002906 tartaric acid Nutrition 0.000 description 1
- 239000011975 tartaric acid Substances 0.000 description 1
- ISIJQEHRDSCQIU-UHFFFAOYSA-N tert-butyl 2,7-diazaspiro[4.5]decane-7-carboxylate Chemical compound C1N(C(=O)OC(C)(C)C)CCCC11CNCC1 ISIJQEHRDSCQIU-UHFFFAOYSA-N 0.000 description 1
- VSAISIQCTGDGPU-UHFFFAOYSA-N tetraphosphorus hexaoxide Chemical compound O1P(O2)OP3OP1OP2O3 VSAISIQCTGDGPU-UHFFFAOYSA-N 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- AXVOAMVQOCBPQT-UHFFFAOYSA-N triphos Chemical compound C=1C=CC=CC=1P(C=1C=CC=CC=1)CCP(C=1C=CC=CC=1)CCP(C=1C=CC=CC=1)C1=CC=CC=C1 AXVOAMVQOCBPQT-UHFFFAOYSA-N 0.000 description 1
- GRUMUEUJTSXQOI-UHFFFAOYSA-N vanadium dioxide Chemical compound O=[V]=O GRUMUEUJTSXQOI-UHFFFAOYSA-N 0.000 description 1
- 229910001935 vanadium oxide Inorganic materials 0.000 description 1
- JTJFQBNJBPPZRI-UHFFFAOYSA-J vanadium tetrachloride Chemical compound Cl[V](Cl)(Cl)Cl JTJFQBNJBPPZRI-UHFFFAOYSA-J 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
- B01J27/00—Catalysts comprising the elements or compounds of halogens, sulfur, selenium, tellurium, phosphorus or nitrogen; Catalysts comprising carbon compounds
- B01J27/14—Phosphorus; Compounds thereof
- B01J27/16—Phosphorus; Compounds thereof containing oxygen, i.e. acids, anhydrides and their derivates with N, S, B or halogens without carriers or on carriers based on C, Si, Al or Zr; also salts of Si, Al and Zr
- B01J27/18—Phosphorus; Compounds thereof containing oxygen, i.e. acids, anhydrides and their derivates with N, S, B or halogens without carriers or on carriers based on C, Si, Al or Zr; also salts of Si, Al and Zr with metals other than Al or Zr
-
- 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
-
- 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
- B01J27/00—Catalysts comprising the elements or compounds of halogens, sulfur, selenium, tellurium, phosphorus or nitrogen; Catalysts comprising carbon compounds
- B01J27/14—Phosphorus; Compounds thereof
- B01J27/186—Phosphorus; Compounds thereof with arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
- B01J27/195—Phosphorus; Compounds thereof with arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium with vanadium, niobium or tantalum
- B01J27/198—Vanadium
-
- 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
- C07C51/215—Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation with molecular oxygen of saturated hydrocarbyl groups
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D307/00—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom
- C07D307/02—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom not condensed with other rings
- C07D307/34—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom not condensed with other rings having two or three double bonds between ring members or between ring members and non-ring members
- C07D307/56—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom not condensed with other rings having two or three double bonds between ring members or between ring members and non-ring members with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms
- C07D307/60—Two oxygen atoms, e.g. succinic anhydride
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Catalysts (AREA)
- Furan Compounds (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US06/523,931 US4510258A (en) | 1983-08-17 | 1983-08-17 | Catalysts containing mixed oxides of vanadium and phosphorus |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE3429165A1 DE3429165A1 (de) | 1985-02-28 |
| DE3429165C2 true DE3429165C2 (US20100223739A1-20100909-C00005.png) | 1988-10-27 |
Family
ID=24087020
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19843429165 Granted DE3429165A1 (de) | 1983-08-17 | 1984-08-08 | Katalysator mit einem gehalt an gemischten oxiden des vanadiums und phosphors |
Country Status (15)
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4677084A (en) * | 1985-11-27 | 1987-06-30 | E. I. Du Pont De Nemours And Company | Attrition resistant catalysts, catalyst precursors and catalyst supports and process for preparing same |
| US5155235A (en) * | 1990-07-12 | 1992-10-13 | Mitsui Toatsu Chemicals, Inc. | Catalyst for producing maleic anhydride from butane and process for preparing same |
| NL9300737A (nl) * | 1993-04-29 | 1994-11-16 | Meern Bv Engelhard De | Werkwijze voor het selectief oxideren van koolwaterstoffen. |
| US5498731A (en) * | 1993-06-29 | 1996-03-12 | Mitsubishi Chemical Corporation | Oxide catalyst and process for producing maleic anhydride by using oxide catalyst |
| EP3778022A4 (en) | 2018-12-20 | 2021-11-17 | Lg Chem, Ltd. | A method for producing an organic zinc catalyst and a method for producing a polyalkylene carbonate resin using an organic zinc catalyst made therewith |
Family Cites Families (27)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB960661A (en) * | 1961-03-15 | 1964-06-10 | Electro Chimie Metal | Process for production of organic dibasic acid anhydrides by catalytic oxidation andcatalysts for use in such a process |
| JPS5326325Y2 (US20100223739A1-20100909-C00005.png) * | 1973-06-06 | 1978-07-05 | ||
| US3912763A (en) * | 1973-07-19 | 1975-10-14 | Phillips Petroleum Co | Oxidative dehydrogenation of alkenes or alkadienes to furan compounds |
| US3975300A (en) * | 1974-07-01 | 1976-08-17 | Mobil Oil Corporation | One step method of preparation of vanadium-phosphorus complex in the absence of hydrogen halide |
| US4085122A (en) * | 1975-01-10 | 1978-04-18 | Lonza, Ltd. | Production of maleic anhydride using a mixed-oxide oxidation catalyst containing vanadium and pentavalent phosphorus |
| DE2605760C3 (de) * | 1976-02-13 | 1980-06-12 | Daimler-Benz Ag, 7000 Stuttgart | Bordküche für Reiseomnibusse |
| US4092269A (en) * | 1976-10-15 | 1978-05-30 | Monsanto Company | Phosphorus-vanadium-oxygen catalysts having a specific pore volume |
| GB1591307A (en) * | 1976-11-11 | 1981-06-17 | Ici Ltd | Production of maleic anhydride and catalysts therefor |
| US4209423A (en) * | 1977-05-23 | 1980-06-24 | Imperial Chemical Industries Limited | Production of acid anhydrides and catalysts therefor |
| US4123442A (en) * | 1977-06-24 | 1978-10-31 | Chevron Research Company | Regeneration of maleic anhydride vanadium-phosphorus-oxygen catalyst by contacting with sulfur trioxide |
| US4244878A (en) * | 1978-08-04 | 1981-01-13 | Halcon Research And Development Corporation | Preparation of maleic anhydride |
| GB2061753B (en) * | 1979-10-26 | 1983-07-20 | Monsanto Co | Preparation and use of phosphorus-vanadium-oxygen catalysts in producing maleic anhydride |
| US4253988A (en) * | 1979-10-26 | 1981-03-03 | Monsanto Company | Conditioning phosphorus-vanadium-oxygen catalyst |
| US4276222A (en) * | 1979-12-26 | 1981-06-30 | Monsanto Company | Method of producing maleic anhydride |
| US4294722A (en) * | 1979-12-26 | 1981-10-13 | Standard Oil Company | Preparation of vanadium phosphorus catalysts |
| US4333853A (en) * | 1980-05-05 | 1982-06-08 | The Standard Oil Company | Mixed vanadium phosphorus oxide catalysts and preparation thereof |
| US4304723A (en) * | 1980-09-22 | 1981-12-08 | Monsanto Company | Process for manufacturing maleic anhydride |
| US4412940A (en) * | 1980-12-18 | 1983-11-01 | Monsanto Company | Method for preparing maleic anhydride catalyst |
| US4359405A (en) * | 1980-12-22 | 1982-11-16 | Monsanto Company | Solvent conditioning of phosphorus-vanadium-oxygen catalysts |
| DE3173855D1 (en) * | 1980-12-29 | 1986-03-27 | Standard Oil Co Ohio | Preparation of fluid bed-catalysts containing the mixed oxides of vanadium and phosphorus |
| US4351773A (en) * | 1980-12-31 | 1982-09-28 | The Standard Oil Company | Preparation of maleic anhydride from butane using fluidized vanadium-phosphorous-oxide containing catalysts |
| US4317778A (en) * | 1980-12-29 | 1982-03-02 | Standard Oil Company (Sohio) | Preparation of maleic anhydride using fluidized catalysts |
| EP0056528A3 (en) * | 1981-01-02 | 1983-01-05 | Monsanto Company | Catalyst intermediate, catalyst prepared therefrom, and method for preparing maleic anhydride |
| DE3130343A1 (de) * | 1981-07-31 | 1983-02-17 | Bayer Ag, 5090 Leverkusen | Vanadium/phosphor-mischoxid-katalysator, verfahren zu dessen herstellung sowie dessen verwendung |
| US4386215A (en) * | 1981-11-27 | 1983-05-31 | Monsanto Company | Maleic anhydride production with high crush strength catalysts |
| JPS58170542A (ja) * | 1982-03-31 | 1983-10-07 | Mitsubishi Chem Ind Ltd | 触媒組成物の製造方法 |
| JPS58170543A (ja) * | 1982-04-01 | 1983-10-07 | Mitsubishi Chem Ind Ltd | 触媒組成物の製造法 |
-
1983
- 1983-08-17 US US06/523,931 patent/US4510258A/en not_active Expired - Lifetime
-
1984
- 1984-07-25 ZA ZA845766A patent/ZA845766B/xx unknown
- 1984-07-30 AU AU31287/84A patent/AU3128784A/en not_active Abandoned
- 1984-08-08 KR KR1019840004722A patent/KR920002723B1/ko not_active IP Right Cessation
- 1984-08-08 DE DE19843429165 patent/DE3429165A1/de active Granted
- 1984-08-08 IN IN587/MAS/84A patent/IN162272B/en unknown
- 1984-08-09 JP JP59167248A patent/JPS60227835A/ja active Granted
- 1984-08-10 AT AT2599/84A patent/AT392921B/de not_active IP Right Cessation
- 1984-08-13 FR FR848412733A patent/FR2550713B1/fr not_active Expired - Lifetime
- 1984-08-14 GB GB08420626A patent/GB2145010B/en not_active Expired
- 1984-08-14 IT IT8448727A patent/IT1237356B/it active
- 1984-08-16 CA CA000461149A patent/CA1220190A/en not_active Expired
- 1984-08-16 BR BR8404105A patent/BR8404105A/pt not_active IP Right Cessation
- 1984-08-16 ES ES535206A patent/ES8606020A1/es not_active Expired
- 1984-08-16 AR AR29761184A patent/AR240663A1/es active
Also Published As
| Publication number | Publication date |
|---|---|
| AT392921B (de) | 1991-07-10 |
| IT1237356B (it) | 1993-05-31 |
| KR920002723B1 (ko) | 1992-04-02 |
| IT8448727A0 (it) | 1984-08-14 |
| KR850001501A (ko) | 1985-03-30 |
| GB2145010B (en) | 1988-05-05 |
| BR8404105A (pt) | 1985-07-16 |
| ES8606020A1 (es) | 1986-04-01 |
| DE3429165A1 (de) | 1985-02-28 |
| ES535206A0 (es) | 1986-04-01 |
| FR2550713B1 (fr) | 1991-05-24 |
| JPH0554386B2 (US20100223739A1-20100909-C00005.png) | 1993-08-12 |
| GB2145010A (en) | 1985-03-20 |
| ZA845766B (en) | 1985-03-27 |
| ATA259984A (de) | 1990-12-15 |
| AU3128784A (en) | 1985-02-21 |
| US4510258A (en) | 1985-04-09 |
| IN162272B (US20100223739A1-20100909-C00005.png) | 1988-04-23 |
| CA1220190A (en) | 1987-04-07 |
| FR2550713A1 (fr) | 1985-02-22 |
| JPS60227835A (ja) | 1985-11-13 |
| GB8420626D0 (en) | 1984-09-19 |
| AR240663A1 (es) | 1990-08-31 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| DE2534467C2 (US20100223739A1-20100909-C00005.png) | ||
| DE2653863C2 (US20100223739A1-20100909-C00005.png) | ||
| DE2948771A1 (de) | Verfahren zum regenerieren eines antimonhaltigen oxidkatalysators | |
| DE2435031A1 (de) | Verfahren zur oxydativen umwandlung von kohlenwasserstoffverbindungen | |
| EP0609751B1 (de) | Verfahren zur Regenerierung von im Rahmen katalytischer Gasphasenoxidationen niederer organischer Verbindungen verbrauchten Multimetalloxid-Oxidationskatalysatoren | |
| DE3045624C2 (de) | Verfahren zur Herstellung von Phthalsäureanhydrid durch katalytische Dampfphasenoxidation | |
| DE2846719C2 (de) | Verfahren zum Regenerieren von verschlechterten Eisen-Antimonoxid enthaltenden Katalysatoren | |
| DE69913362T2 (de) | Verfahren zur herstellung und verwendung eines verbesserter abriebfester katalysators | |
| DE1259307B (de) | Verfahren zur Herstellung von gegen Abrieb bestaendigen Oxydationskatalysatoren | |
| DE2437154C2 (de) | Verfahren zur Herstellung von Maleinsäureanhydrid | |
| DE3410799C2 (US20100223739A1-20100909-C00005.png) | ||
| EP0255639B1 (de) | Heteropolymolybdat-Gemische und ihre Verwendung als Katalysatoren | |
| DE3429165C2 (US20100223739A1-20100909-C00005.png) | ||
| DE3226204A1 (de) | Verfahren zur herstellung von antimonhaltigen metalloxidkatalysatoren | |
| EP0113084B1 (de) | Verwendung von Mo-V-Cu-P-Katalysatoren zur Oxydehydrierung von Isobuttersäure oder deren Estern | |
| DE3429164C2 (US20100223739A1-20100909-C00005.png) | ||
| DE3150555C2 (de) | Phosphor-Vanadium-Sauerstoff-Katalysator und Verfahren zu seiner Herstellung | |
| DE3019879C2 (US20100223739A1-20100909-C00005.png) | ||
| DE1417731C3 (de) | Verfahren zur Herstellung eines Katalysators, der Wismut, Molybdän, Silicium, Sauerstoff und gegebenenfalls Phosphor enthält | |
| DE1966418B2 (de) | Verfahren zur Herstellung eines Wirbelbettkatalysators für die Gewinnung von Maleinsäureanhydrid Ausscheidung aus: 1951536 | |
| DE2407677A1 (de) | Verfahren zur herstellung von sauerstoffverbindungen von antimon mit metallen | |
| DE2658861A1 (de) | Verfahren zur herstellung von maleinsaeureanhydrid | |
| DE2044830C3 (de) | Verfahren zur Herstellung eines eisenhaltigen Wismuthphosphormolybdat-Katalysators | |
| DE3040194C2 (US20100223739A1-20100909-C00005.png) | ||
| DE102012012317A1 (de) | Verfahren zur Regeneration eines Katalysators zur Herstellung von Methacrylsäure und Verfahren zur Herstellung von Methacrylsäure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 8110 | Request for examination paragraph 44 | ||
| D2 | Grant after examination | ||
| 8364 | No opposition during term of opposition | ||
| 8339 | Ceased/non-payment of the annual fee |