IT1004671B - Procedimento per separare metacro leina da una miscela gassosa che la contiene - Google Patents
Procedimento per separare metacro leina da una miscela gassosa che la contieneInfo
- Publication number
- IT1004671B IT1004671B IT67014/74A IT6701474A IT1004671B IT 1004671 B IT1004671 B IT 1004671B IT 67014/74 A IT67014/74 A IT 67014/74A IT 6701474 A IT6701474 A IT 6701474A IT 1004671 B IT1004671 B IT 1004671B
- Authority
- IT
- Italy
- Prior art keywords
- metacro
- leine
- separating
- procedure
- gaseous mixture
- Prior art date
Links
- 239000008246 gaseous mixture Substances 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
- C07C45/81—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
-
- 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
- C07C45/27—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by oxidation
- C07C45/32—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by oxidation with molecular oxygen
- C07C45/33—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by oxidation with molecular oxygen of CHx-moieties
- C07C45/34—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by oxidation with molecular oxygen of CHx-moieties in unsaturated compounds
- C07C45/35—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by oxidation with molecular oxygen of CHx-moieties in unsaturated compounds in propene or isobutene
-
- 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
- C07C45/83—Separation; Purification; Stabilisation; Use of additives by change in the physical state, e.g. crystallisation by distillation by extractive distillation
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (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 |
|---|---|---|---|
| JP481973A JPS547768B2 (it) | 1973-01-06 | 1973-01-06 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| IT1004671B true IT1004671B (it) | 1976-07-20 |
Family
ID=11594322
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IT67014/74A IT1004671B (it) | 1973-01-06 | 1974-01-04 | Procedimento per separare metacro leina da una miscela gassosa che la contiene |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US3957880A (it) |
| JP (1) | JPS547768B2 (it) |
| DE (1) | DE2400260C3 (it) |
| FR (1) | FR2213263B1 (it) |
| GB (1) | GB1440402A (it) |
| IT (1) | IT1004671B (it) |
| NL (1) | NL7400203A (it) |
Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5687530A (en) * | 1979-12-19 | 1981-07-16 | Asahi Chem Ind Co Ltd | Dehydrating method of gas containing unsaturated aldehyde |
| DE3527022A1 (de) * | 1984-08-21 | 1986-03-06 | Zöller-Kipper GmbH, 6500 Mainz | Kipp- oder hubkipp-vorrichtung zum entleeren von behaeltern in sammelbehaelter, vorzugsweise muellbehaelter in den sammelbehaelter eines muellfahrzeugs |
| JPH0684326B2 (ja) * | 1988-06-03 | 1994-10-26 | 株式会社日本触媒 | メタクロレインの回収方法 |
| US5492037A (en) * | 1995-04-17 | 1996-02-20 | Graham; Gilbert B. | Skate sharpening mechanism |
| DE19709471A1 (de) * | 1997-03-07 | 1998-09-10 | Basf Ag | Verfahren zur Herstellung von (Meth)acrylsäure |
| SG71815A1 (en) * | 1997-07-08 | 2000-04-18 | Asahi Chemical Ind | Method of producing methyl methacrylate |
| 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 |
| EP1879846B1 (de) * | 2005-04-27 | 2009-07-15 | Basf Se | Verfahren der rektifikativen auftrennung einer acrylsäure und/oder methacrylsäure enthaltenden flüssigkeit |
| CN101020625B (zh) * | 2007-03-12 | 2010-05-19 | 中国科学院过程工程研究所 | 一种用离子液体吸收甲基丙烯醛的方法 |
| KR101175841B1 (ko) * | 2007-05-15 | 2012-08-24 | 미츠비시 레이온 가부시키가이샤 | 메타크롤레인 또는 (메트)아크릴산의 제조 방법 |
| US9765007B2 (en) | 2013-10-28 | 2017-09-19 | Rohm And Haas Company | Dehydration process |
| CN110078603A (zh) * | 2019-06-17 | 2019-08-02 | 淄博齐翔腾达化工股份有限公司 | 甲基丙烯醛的制备提纯方法及装置 |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3162514A (en) * | 1964-12-22 | Cooler | ||
| US2606933A (en) * | 1952-08-12 | Production of unsaturateb | ||
| US2347636A (en) * | 1941-06-24 | 1944-04-25 | Rohm & Haas | Recovery of unsaturated aldehydes |
| US2514966A (en) * | 1948-01-09 | 1950-07-11 | Shell Dev | Refining and concentrating crude unsaturated aldehydes by extractive distillation |
| US3098798A (en) * | 1960-03-18 | 1963-07-23 | Du Pont | Preparation of purified methacrolein |
| JPS4823409B1 (it) * | 1970-03-04 | 1973-07-13 |
-
1973
- 1973-01-06 JP JP481973A patent/JPS547768B2/ja not_active Expired
-
1974
- 1974-01-03 US US05/430,403 patent/US3957880A/en not_active Expired - Lifetime
- 1974-01-04 FR FR7400335A patent/FR2213263B1/fr not_active Expired
- 1974-01-04 DE DE2400260A patent/DE2400260C3/de not_active Expired
- 1974-01-04 GB GB42274A patent/GB1440402A/en not_active Expired
- 1974-01-04 IT IT67014/74A patent/IT1004671B/it active
- 1974-01-07 NL NL7400203A patent/NL7400203A/xx not_active Application Discontinuation
Also Published As
| Publication number | Publication date |
|---|---|
| DE2400260C3 (de) | 1979-10-18 |
| NL7400203A (it) | 1974-07-09 |
| JPS4992007A (it) | 1974-09-03 |
| FR2213263B1 (it) | 1977-09-09 |
| DE2400260A1 (de) | 1974-07-18 |
| GB1440402A (en) | 1976-06-23 |
| DE2400260B2 (de) | 1979-03-01 |
| FR2213263A1 (it) | 1974-08-02 |
| JPS547768B2 (it) | 1979-04-10 |
| US3957880A (en) | 1976-05-18 |
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