JPS51136615A - Process for preparation of methacrylic acid - Google Patents
Process for preparation of methacrylic acidInfo
- Publication number
- JPS51136615A JPS51136615A JP6095275A JP6095275A JPS51136615A JP S51136615 A JPS51136615 A JP S51136615A JP 6095275 A JP6095275 A JP 6095275A JP 6095275 A JP6095275 A JP 6095275A JP S51136615 A JPS51136615 A JP S51136615A
- Authority
- JP
- Japan
- Prior art keywords
- methacrylic acid
- preparation
- gasphase
- acrolein
- oxidation
- 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.)
- Granted
Links
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
- B01J23/002—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
- B01J23/16—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
- B01J23/28—Molybdenum
-
- 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
- B01J27/199—Vanadium with chromium, molybdenum, tungsten or polonium
-
- 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)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP6095275A JPS51136615A (en) | 1975-05-23 | 1975-05-23 | Process for preparation of methacrylic acid |
GB2122676A GB1498595A (en) | 1975-05-23 | 1976-05-21 | Process for producing methacrylic acid and catalyst therefor |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP6095275A JPS51136615A (en) | 1975-05-23 | 1975-05-23 | Process for preparation of methacrylic acid |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS51136615A true JPS51136615A (en) | 1976-11-26 |
JPS5315495B2 JPS5315495B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1978-05-25 |
Family
ID=13157225
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP6095275A Granted JPS51136615A (en) | 1975-05-23 | 1975-05-23 | Process for preparation of methacrylic acid |
Country Status (2)
Country | Link |
---|---|
JP (1) | JPS51136615A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) |
GB (1) | GB1498595A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2962547D1 (en) * | 1978-05-31 | 1982-06-03 | Nippon Kayaku Kk | A process for producing methacrolein and methacrylic acid |
JPS55124734A (en) * | 1979-03-22 | 1980-09-26 | Nippon Kayaku Co Ltd | Preparation of methacrylic acid |
US4547588A (en) * | 1979-10-03 | 1985-10-15 | The Halcon Sd Group, Inc. | Process for producing methacrylic acid |
JP3702710B2 (ja) | 1999-06-15 | 2005-10-05 | 住友化学株式会社 | メタクリル酸製造用触媒およびメタクリル酸の製造方法 |
JP6881801B2 (ja) | 2019-02-18 | 2021-06-02 | 株式会社エヌビィー健康研究所 | 細胞の選抜方法、核酸の製造方法、組換え細胞の製造方法、目的物質の製造方法、医薬組成物の製造方法、及び試薬 |
CN115745721B (zh) * | 2022-12-08 | 2024-10-18 | 万华化学集团股份有限公司 | 一种乙醇脱水制备乙烯的方法 |
-
1975
- 1975-05-23 JP JP6095275A patent/JPS51136615A/ja active Granted
-
1976
- 1976-05-21 GB GB2122676A patent/GB1498595A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
GB1498595A (en) | 1978-01-18 |
JPS5315495B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1978-05-25 |
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