NL7909142A - Katalysator en werkwijze voor de bereiding van methacrylzuur. - Google Patents
Katalysator en werkwijze voor de bereiding van methacrylzuur. Download PDFInfo
- Publication number
- NL7909142A NL7909142A NL7909142A NL7909142A NL7909142A NL 7909142 A NL7909142 A NL 7909142A NL 7909142 A NL7909142 A NL 7909142A NL 7909142 A NL7909142 A NL 7909142A NL 7909142 A NL7909142 A NL 7909142A
- Authority
- NL
- Netherlands
- Prior art keywords
- catalyst
- methacrylic acid
- catalyst according
- catalysts
- phosphorus
- Prior art date
Links
- 239000003054 catalyst Substances 0.000 title claims description 135
- 238000000034 method Methods 0.000 title claims description 26
- CERQOIWHTDAKMF-UHFFFAOYSA-N Methacrylic acid Chemical compound CC(=C)C(O)=O CERQOIWHTDAKMF-UHFFFAOYSA-N 0.000 title claims description 21
- 229910052698 phosphorus Inorganic materials 0.000 claims description 25
- 229910052702 rhenium Inorganic materials 0.000 claims description 16
- 229910052750 molybdenum Inorganic materials 0.000 claims description 14
- 238000007254 oxidation reaction Methods 0.000 claims description 14
- 230000003647 oxidation Effects 0.000 claims description 13
- 229910052792 caesium Inorganic materials 0.000 claims description 11
- 229910052785 arsenic Inorganic materials 0.000 claims description 10
- 229910052721 tungsten Inorganic materials 0.000 claims description 10
- 229910052787 antimony Inorganic materials 0.000 claims description 9
- 238000002360 preparation method Methods 0.000 claims description 9
- 229910052791 calcium Inorganic materials 0.000 claims description 8
- 239000012808 vapor phase Substances 0.000 claims description 7
- 229910052802 copper Inorganic materials 0.000 claims description 6
- 229910052763 palladium Inorganic materials 0.000 claims description 6
- 229910052701 rubidium Inorganic materials 0.000 claims description 6
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 claims description 5
- 229910052788 barium Inorganic materials 0.000 claims description 5
- 229910052804 chromium Inorganic materials 0.000 claims description 5
- 229910001882 dioxygen Inorganic materials 0.000 claims description 5
- 229910052748 manganese Inorganic materials 0.000 claims description 5
- 229910052759 nickel Inorganic materials 0.000 claims description 5
- 229910052758 niobium Inorganic materials 0.000 claims description 5
- 229910052697 platinum Inorganic materials 0.000 claims description 5
- 229910052700 potassium Inorganic materials 0.000 claims description 5
- 229910052703 rhodium Inorganic materials 0.000 claims description 5
- 229910052707 ruthenium Inorganic materials 0.000 claims description 5
- 229910052712 strontium Inorganic materials 0.000 claims description 5
- 229910052720 vanadium Inorganic materials 0.000 claims description 5
- 229910052725 zinc Inorganic materials 0.000 claims description 5
- 239000000203 mixture Substances 0.000 description 28
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 24
- 239000011574 phosphorus Substances 0.000 description 24
- 238000006243 chemical reaction Methods 0.000 description 17
- 230000000694 effects Effects 0.000 description 16
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 13
- 239000011733 molybdenum Substances 0.000 description 13
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 11
- 229910052760 oxygen Inorganic materials 0.000 description 11
- 239000001301 oxygen Substances 0.000 description 11
- WUAPFZMCVAUBPE-UHFFFAOYSA-N rhenium atom Chemical compound [Re] WUAPFZMCVAUBPE-UHFFFAOYSA-N 0.000 description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 10
- 239000002253 acid Substances 0.000 description 9
- TVFDJXOCXUVLDH-UHFFFAOYSA-N caesium atom Chemical compound [Cs] TVFDJXOCXUVLDH-UHFFFAOYSA-N 0.000 description 9
- 239000011575 calcium Substances 0.000 description 9
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 8
- 239000000243 solution Substances 0.000 description 8
- 239000007789 gas Substances 0.000 description 7
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 6
- 238000007429 general method Methods 0.000 description 6
- 239000000843 powder Substances 0.000 description 6
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 5
- STNJBCKSHOAVAJ-UHFFFAOYSA-N Methacrolein Chemical compound CC(=C)C=O STNJBCKSHOAVAJ-UHFFFAOYSA-N 0.000 description 5
- WATWJIUSRGPENY-UHFFFAOYSA-N antimony atom Chemical compound [Sb] WATWJIUSRGPENY-UHFFFAOYSA-N 0.000 description 5
- RQNWIZPPADIBDY-UHFFFAOYSA-N arsenic atom Chemical compound [As] RQNWIZPPADIBDY-UHFFFAOYSA-N 0.000 description 5
- 239000010949 copper Substances 0.000 description 5
- KDLHZDBZIXYQEI-UHFFFAOYSA-N palladium Substances [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 description 5
- 239000008188 pellet Substances 0.000 description 5
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 5
- 239000010937 tungsten Substances 0.000 description 5
- 150000007513 acids Chemical class 0.000 description 4
- 150000001875 compounds Chemical class 0.000 description 4
- 229910052757 nitrogen Inorganic materials 0.000 description 4
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 description 3
- 150000001299 aldehydes Chemical class 0.000 description 3
- 239000011261 inert gas Substances 0.000 description 3
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 2
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 2
- 239000004372 Polyvinyl alcohol Substances 0.000 description 2
- 235000021355 Stearic acid Nutrition 0.000 description 2
- 230000004913 activation Effects 0.000 description 2
- QGZKDVFQNNGYKY-UHFFFAOYSA-N ammonia Natural products N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- 239000007864 aqueous solution Substances 0.000 description 2
- NLSCHDZTHVNDCP-UHFFFAOYSA-N caesium nitrate Chemical compound [Cs+].[O-][N+]([O-])=O NLSCHDZTHVNDCP-UHFFFAOYSA-N 0.000 description 2
- 239000012018 catalyst precursor Substances 0.000 description 2
- 238000007796 conventional method Methods 0.000 description 2
- 239000011363 dried mixture Substances 0.000 description 2
- 239000000945 filler Substances 0.000 description 2
- 230000006698 induction Effects 0.000 description 2
- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical compound CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 description 2
- OQCDKBAXFALNLD-UHFFFAOYSA-N octadecanoic acid Natural products CCCCCCCC(C)CCCCCCCCC(O)=O OQCDKBAXFALNLD-UHFFFAOYSA-N 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 239000012071 phase Substances 0.000 description 2
- 229920002451 polyvinyl alcohol Polymers 0.000 description 2
- 229910052761 rare earth metal Inorganic materials 0.000 description 2
- 150000002910 rare earth metals Chemical class 0.000 description 2
- 150000003839 salts Chemical class 0.000 description 2
- 239000002904 solvent Substances 0.000 description 2
- 239000008117 stearic acid Substances 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 description 1
- NIXOWILDQLNWCW-UHFFFAOYSA-N 2-Propenoic acid Natural products OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 1
- QSHYGLAZPRJAEZ-UHFFFAOYSA-N 4-(chloromethyl)-2-(2-methylphenyl)-1,3-thiazole Chemical compound CC1=CC=CC=C1C1=NC(CCl)=CS1 QSHYGLAZPRJAEZ-UHFFFAOYSA-N 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical class [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 description 1
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 1
- ACWQBUSCFPJUPN-UHFFFAOYSA-N Tiglaldehyde Natural products CC=C(C)C=O ACWQBUSCFPJUPN-UHFFFAOYSA-N 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000003679 aging effect Effects 0.000 description 1
- 125000001931 aliphatic group Chemical group 0.000 description 1
- 229910000147 aluminium phosphate Inorganic materials 0.000 description 1
- 239000000908 ammonium hydroxide Substances 0.000 description 1
- 150000003863 ammonium salts Chemical class 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 125000004432 carbon atom Chemical group C* 0.000 description 1
- 229910002090 carbon oxide Inorganic materials 0.000 description 1
- 150000001805 chlorine compounds Chemical group 0.000 description 1
- 239000012050 conventional carrier Substances 0.000 description 1
- MLUCVPSAIODCQM-NSCUHMNNSA-N crotonaldehyde Chemical compound C\C=C\C=O MLUCVPSAIODCQM-NSCUHMNNSA-N 0.000 description 1
- MLUCVPSAIODCQM-UHFFFAOYSA-N crotonaldehyde Natural products CC=CC=O MLUCVPSAIODCQM-UHFFFAOYSA-N 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000037213 diet Effects 0.000 description 1
- 235000005911 diet Nutrition 0.000 description 1
- 239000003085 diluting agent Substances 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000004817 gas chromatography Methods 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- 150000004820 halides Chemical class 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 150000002823 nitrates Chemical group 0.000 description 1
- 229910017604 nitric acid Inorganic materials 0.000 description 1
- DECCZIUVGMLHKQ-UHFFFAOYSA-N rhenium tungsten Chemical compound [W].[Re] DECCZIUVGMLHKQ-UHFFFAOYSA-N 0.000 description 1
- IGLNJRXAVVLDKE-UHFFFAOYSA-N rubidium atom Chemical compound [Rb] IGLNJRXAVVLDKE-UHFFFAOYSA-N 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 description 1
- 229910010271 silicon carbide Inorganic materials 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- ACWQBUSCFPJUPN-HWKANZROSA-N trans-2-methyl-2-butenal Chemical compound C\C=C(/C)C=O ACWQBUSCFPJUPN-HWKANZROSA-N 0.000 description 1
Classifications
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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
- B01J23/70—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
- B01J23/8878—Chromium
-
- 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
- B01J23/885—Molybdenum and copper
-
- 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
- B01J23/8871—Rare earth metals or actinides
-
- 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
- B01J23/8872—Alkali or alkaline earth metals
-
- 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
-
- 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
- B01J23/89—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper combined with noble metals
- B01J23/8933—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper combined with noble metals also combined with metals, or metal oxides or hydroxides provided for in groups B01J23/02 - B01J23/36
- B01J23/8993—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper combined with noble metals also combined with metals, or metal oxides or hydroxides provided for in groups B01J23/02 - B01J23/36 with chromium, molybdenum or tungsten
-
- 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
-
- 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
- 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)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (20)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US97274378 | 1978-12-26 | ||
| US97335478 | 1978-12-26 | ||
| US05/973,495 US4252683A (en) | 1978-12-26 | 1978-12-26 | Catalyst for producing methacrylic acid |
| US97349578 | 1978-12-26 | ||
| US05/973,354 US4374757A (en) | 1978-12-26 | 1978-12-26 | Catalyst and process for producing methacrylic acid |
| US05/972,743 US4252681A (en) | 1978-12-26 | 1978-12-26 | Catalyst for producing methacrylic acid |
| US05/972,745 US4252682A (en) | 1978-12-26 | 1978-12-26 | Catalyst for producing methacrylic acid |
| US97274578 | 1978-12-26 | ||
| US06/027,632 US4240930A (en) | 1979-04-06 | 1979-04-06 | Catalyst and process for producing methacrylic acid |
| US06/027,634 US4261859A (en) | 1979-04-06 | 1979-04-06 | Catalyst for producing methacrylic acid |
| US06/027,635 US4261860A (en) | 1979-04-06 | 1979-04-06 | Catalyst for producing methacrylic acid |
| US2763579 | 1979-04-06 | ||
| US06/027,633 US4261858A (en) | 1979-04-06 | 1979-04-06 | Catalyst for producing methacrylic acid |
| US2763479 | 1979-04-06 | ||
| US2763379 | 1979-04-06 | ||
| US2763279 | 1979-04-06 | ||
| US4786079 | 1979-06-12 | ||
| US06/047,860 US4377501A (en) | 1978-12-26 | 1979-06-12 | Catalyst and process for producing methacrylic acid |
| US06/081,406 US4271040A (en) | 1978-12-26 | 1979-10-03 | Catalyst and process for producing methacrylic acid |
| US8140679 | 1979-10-03 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL7909142A true NL7909142A (nl) | 1980-06-30 |
Family
ID=27580733
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL7909142A NL7909142A (nl) | 1978-12-26 | 1979-12-19 | Katalysator en werkwijze voor de bereiding van methacrylzuur. |
Country Status (7)
| Country | Link |
|---|---|
| BR (1) | BR7908476A (it) |
| DE (1) | DE2952455C2 (it) |
| FR (1) | FR2445310A1 (it) |
| GB (3) | GB2040717B (it) |
| IT (1) | IT1164100B (it) |
| MX (1) | MX154396A (it) |
| NL (1) | NL7909142A (it) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3030243A1 (de) * | 1980-08-09 | 1982-03-18 | Basf Ag, 6700 Ludwigshafen | Oxidationskatalysator insbesondere fuer die herstellung von methacrylsaeure durch gasphasenoxidation von methacrolein |
| NL8202791A (nl) * | 1981-07-17 | 1983-02-16 | Halcon Sd Group Inc | Werkwijze voor het bereiden van methacrylzuur. |
| US4511548A (en) * | 1981-12-18 | 1985-04-16 | The Standard Oil Company | Ammoxidation of methanol to produce hydrogen cyanide |
| DE3208571A1 (de) * | 1982-03-10 | 1983-09-22 | Basf Ag, 6700 Ludwigshafen | Oxidationskatalysator, insbesondere fuer die herstellung von methacrylsaeure durch gasphasenoxidation von methacrolein |
| DE3208572A1 (de) * | 1982-03-10 | 1983-09-22 | Basf Ag, 6700 Ludwigshafen | Verfahren und katalysator zur herstellung von methacrylsaeure |
| JPS59115750A (ja) * | 1982-12-22 | 1984-07-04 | Nippon Shokubai Kagaku Kogyo Co Ltd | メタクリル酸合成用触媒 |
| DE19630832A1 (de) * | 1996-07-31 | 1998-02-05 | Hoechst Ag | Verfahren zur selektiven Herstellung von Essigsäure |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2460541C3 (de) * | 1973-12-29 | 1979-10-18 | Nippon Shokubai Kagaku Kogyo Co. Ltd., Osaka (Japan) | Phosphor, Molybdän und Vanadium sowie gegebenenfalls Kupfer, Kobalt, Zirkon, Wismut, Antimon und/oder Arsen enthaltender Oxydkatalysator und dessen Verwendung zur Herstellung von Methacrylsäure |
| JPS5827255B2 (ja) * | 1974-05-31 | 1983-06-08 | 三菱レイヨン株式会社 | 不飽和脂肪酸の製造方法 |
| US4000088A (en) * | 1974-06-03 | 1976-12-28 | Nippon Kayaku Co., Ltd. | Oxidation catalyst for the manufacture of methacrylic acid |
| FR2273586A1 (fr) * | 1974-06-07 | 1976-01-02 | Nippon Kayaku Kk | Catalyseur d'oxydation pour produire l'acide methacrylique |
| IN145044B (it) * | 1975-01-13 | 1978-08-19 | Standard Oil Co Ohio | |
| GB1489559A (en) * | 1975-03-03 | 1977-10-19 | Mitsubishi Rayon Co | Catalytic process for the preparation of acrylic acid or methacrylic acid |
| JPS51115414A (en) * | 1975-04-03 | 1976-10-12 | Mitsubishi Rayon Co Ltd | Process for preparation of unsaturated fatty acids |
| US4118419A (en) * | 1975-12-03 | 1978-10-03 | Mitsubishi Rayon Company, Ltd. | Catalytic process for the preparation of an unsaturated carboxylic acid |
-
1979
- 1979-12-19 NL NL7909142A patent/NL7909142A/nl not_active Application Discontinuation
- 1979-12-21 IT IT51168/79A patent/IT1164100B/it active
- 1979-12-21 BR BR7908476A patent/BR7908476A/pt unknown
- 1979-12-24 FR FR7931595A patent/FR2445310A1/fr active Granted
- 1979-12-24 GB GB7944392A patent/GB2040717B/en not_active Expired
- 1979-12-27 DE DE2952455A patent/DE2952455C2/de not_active Expired
-
1980
- 1980-01-02 MX MX180602A patent/MX154396A/es unknown
-
1983
- 1983-03-15 GB GB08307119A patent/GB2121309B/en not_active Expired
- 1983-03-15 GB GB08307118A patent/GB2116063B/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR2445310A1 (fr) | 1980-07-25 |
| GB2121309A (en) | 1983-12-21 |
| FR2445310B1 (it) | 1984-05-25 |
| GB2040717B (en) | 1983-09-14 |
| IT1164100B (it) | 1987-04-08 |
| IT7951168A0 (it) | 1979-12-21 |
| DE2952455C2 (de) | 1988-07-28 |
| GB2121309B (en) | 1984-06-06 |
| GB2116063B (en) | 1984-02-01 |
| DE2952455A1 (de) | 1980-07-17 |
| GB8307118D0 (en) | 1983-04-20 |
| GB2116063A (en) | 1983-09-21 |
| BR7908476A (pt) | 1980-09-23 |
| GB8307119D0 (en) | 1983-04-20 |
| MX154396A (es) | 1987-08-07 |
| GB2040717A (en) | 1980-09-03 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| BA | A request for search or an international-type search has been filed | ||
| BB | A search report has been drawn up | ||
| BC | A request for examination has been filed | ||
| A85 | Still pending on 85-01-01 | ||
| BV | The patent application has lapsed |