IT1106287B - Recupero di metacroleina - Google Patents
Recupero di metacroleinaInfo
- Publication number
- IT1106287B IT1106287B IT50974/78A IT5097478A IT1106287B IT 1106287 B IT1106287 B IT 1106287B IT 50974/78 A IT50974/78 A IT 50974/78A IT 5097478 A IT5097478 A IT 5097478A IT 1106287 B IT1106287 B IT 1106287B
- Authority
- IT
- Italy
- Prior art keywords
- methacrolein recovery
- methacrolein
- recovery
- Prior art date
Links
- STNJBCKSHOAVAJ-UHFFFAOYSA-N Methacrolein Chemical compound CC(=C)C=O STNJBCKSHOAVAJ-UHFFFAOYSA-N 0.000 title 1
- 238000011084 recovery Methods 0.000 title 1
Classifications
-
- 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
- C07C45/78—Separation; Purification; Stabilisation; Use of additives
- C07C45/80—Separation; Purification; Stabilisation; Use of additives by liquid-liquid treatment
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/14—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by absorption
- B01D53/1487—Removing organic compounds
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/14—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by absorption
- B01D53/1493—Selection of liquid materials for use as absorbents
-
- 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
- C07C45/78—Separation; Purification; Stabilisation; Use of additives
- C07C45/783—Separation; Purification; Stabilisation; Use of additives by gas-liquid treatment, e.g. by gas-liquid absorption
-
- 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
- C07C45/78—Separation; Purification; Stabilisation; Use of additives
- C07C45/81—Separation; Purification; Stabilisation; Use of additives by change in the physical state, e.g. crystallisation
- C07C45/82—Separation; Purification; Stabilisation; Use of additives by change in the physical state, e.g. crystallisation by distillation
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Crystallography & Structural Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US05/830,737 US4092132A (en) | 1977-09-06 | 1977-09-06 | Recovery of methacrolein |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| IT7850974A0 IT7850974A0 (it) | 1978-09-05 |
| IT1106287B true IT1106287B (it) | 1985-11-11 |
Family
ID=25257602
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IT50974/78A IT1106287B (it) | 1977-09-06 | 1978-09-05 | Recupero di metacroleina |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US4092132A (it) |
| JP (1) | JPS5811932B2 (it) |
| BE (1) | BE870231A (it) |
| DE (1) | DE2838880C3 (it) |
| FR (1) | FR2401895A1 (it) |
| GB (1) | GB2005669B (it) |
| IT (1) | IT1106287B (it) |
| NL (1) | NL7808878A (it) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4260821A (en) * | 1979-03-15 | 1981-04-07 | Halcon Research And Development Corp. | Minimizing polymerization during recovery of methacrylic acid |
| JPS57144237A (en) * | 1981-03-04 | 1982-09-06 | Japan Synthetic Rubber Co Ltd | Preparation of methacrylic acid |
| JP4308372B2 (ja) | 1999-07-06 | 2009-08-05 | 株式会社日本触媒 | （メタ）アクリル酸および／または（メタ）アクロレインの吸収方法及びその装置 |
Family Cites Families (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3162514A (en) * | 1964-12-22 | Cooler | ||
| DE1134979B (de) * | 1960-07-01 | 1962-08-23 | Ruhrchemie Ag | Verfahren zur Gewinnung von Acrolein und Methacrolein |
| IT699979A (it) * | 1961-06-01 | |||
| DE1160837B (de) * | 1961-11-22 | 1964-01-09 | Ruhrchemie Ag | Verfahren zur Gewinnung von Acrolein bzw. Methacrolein und Nebenprodukten aus den bei der katalytischen Oxydation von Propen bzw. Isobuten mit Sauerstoff enthaltenen Reaktionsprodukten |
| FR1308958A (fr) * | 1961-12-28 | 1962-11-09 | Ruhrchemie Ag | Procédé d'obtention d'acroléine et de nitrile acrylique et de leurs homologues à partir de gaz |
| FR1345115A (fr) * | 1962-10-24 | 1963-12-06 | Ruhrchemie Ag | Procédé pour séparer l'acroléine ou la méthacroléine, produites dans l'oxydation catalytique du propylène ou de l'isobutylène |
| US3627701A (en) * | 1966-04-12 | 1971-12-14 | Gulf Oil Corp | Oxidation of isobutylene to methacrylaldehyde over complex tungsten oxide catalysts |
| US3499038A (en) * | 1966-08-22 | 1970-03-03 | Eastman Kodak Co | Oxidation of ethylenically unsaturated hydrocarbons |
| JPS4823409B1 (it) * | 1970-03-04 | 1973-07-13 | ||
| DE2054988A1 (de) * | 1970-11-09 | 1972-05-10 | Knapsack Ag, 5033 Knapsack | Verfahren zur Herstellung von Methacrolein |
| BE789241A (fr) * | 1971-09-28 | 1973-03-26 | Halcon International Inc | Catalyseur pour l'oxydation d'aldéhydes non saturés |
| US3972920A (en) * | 1973-06-11 | 1976-08-03 | Mitsubishi Rayon Co., Ltd. | Process for producing unsaturated aldehydes, unsaturated fatty acids or conjugated dienes |
-
1977
- 1977-09-06 US US05/830,737 patent/US4092132A/en not_active Expired - Lifetime
-
1978
- 1978-08-29 NL NL7808878A patent/NL7808878A/xx not_active Application Discontinuation
- 1978-09-05 IT IT50974/78A patent/IT1106287B/it active
- 1978-09-05 FR FR7825529A patent/FR2401895A1/fr active Granted
- 1978-09-05 GB GB7835690A patent/GB2005669B/en not_active Expired
- 1978-09-05 BE BE190279A patent/BE870231A/xx not_active IP Right Cessation
- 1978-09-06 DE DE2838880A patent/DE2838880C3/de not_active Expired
- 1978-09-06 JP JP53108691A patent/JPS5811932B2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB2005669B (en) | 1982-03-17 |
| DE2838880A1 (de) | 1979-03-29 |
| FR2401895B1 (it) | 1983-08-26 |
| IT7850974A0 (it) | 1978-09-05 |
| GB2005669A (en) | 1979-04-25 |
| DE2838880B2 (de) | 1980-10-23 |
| JPS5448706A (en) | 1979-04-17 |
| NL7808878A (nl) | 1979-03-08 |
| US4092132A (en) | 1978-05-30 |
| JPS5811932B2 (ja) | 1983-03-05 |
| BE870231A (fr) | 1979-03-05 |
| DE2838880C3 (de) | 1981-08-06 |
| FR2401895A1 (fr) | 1979-03-30 |
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