FR2228751A1 - - Google Patents
Info
- Publication number
- FR2228751A1 FR2228751A1 FR7416168A FR7416168A FR2228751A1 FR 2228751 A1 FR2228751 A1 FR 2228751A1 FR 7416168 A FR7416168 A FR 7416168A FR 7416168 A FR7416168 A FR 7416168A FR 2228751 A1 FR2228751 A1 FR 2228751A1
- Authority
- FR
- France
- 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
- B01D—SEPARATION
- B01D3/00—Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping
- B01D3/14—Fractional distillation or use of a fractionation or rectification column
- B01D3/16—Fractionating columns in which vapour bubbles through liquid
- B01D3/22—Fractionating columns in which vapour bubbles through liquid with horizontal sieve plates or grids; Construction of sieve plates or grids
-
- 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
- C07C45/37—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 >C—O—functional groups to >C=O groups
- C07C45/38—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 >C—O—functional groups to >C=O groups being a primary hydroxyl group
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
- Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19732323758 DE2323758C3 (de) | 1973-05-11 | Verfahren zur Herstellung von Formaldehyd |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2228751A1 true FR2228751A1 (fr) | 1974-12-06 |
| FR2228751B1 FR2228751B1 (fr) | 1977-10-28 |
Family
ID=5880583
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7416168A Expired FR2228751B1 (fr) | 1973-05-11 | 1974-05-10 |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US3994977A (fr) |
| JP (1) | JPS5827251B2 (fr) |
| BE (1) | BE814930A (fr) |
| FR (1) | FR2228751B1 (fr) |
| GB (1) | GB1458867A (fr) |
| IT (1) | IT1010299B (fr) |
| NL (1) | NL7406348A (fr) |
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4348540A (en) * | 1981-06-29 | 1982-09-07 | Monsanto Company | Manufacture of aqueous formaldehyde |
| DE3402995A1 (de) * | 1984-01-28 | 1985-08-08 | Basf Ag, 6700 Ludwigshafen | Verfahren zur herstellung von formaldehyd |
| JPH0662478B2 (ja) * | 1984-04-12 | 1994-08-17 | 三菱瓦斯化学株式会社 | ホルムアルデヒド水溶液の製造法 |
| GB9812083D0 (en) * | 1998-06-05 | 1998-08-05 | Ici Plc | Removal of water |
| US6552233B2 (en) | 2000-09-14 | 2003-04-22 | Lehigh University | Vanadia-titania/metal-molybdate dual catalyst bed system and process using the same for methanol oxidation to formaldehyde |
| US6518463B2 (en) | 2000-09-14 | 2003-02-11 | Lehigh University | Metal molybdate/iron-molybdate dual catalyst bed system and process using the same for methanol oxidation to formaldehyde |
| DE102010040921A1 (de) | 2010-09-16 | 2012-03-22 | Basf Se | Verfahren zur Herstellung von Acrylsäure aus Methanol und Essigsäure |
| DE102010040923A1 (de) | 2010-09-16 | 2012-03-22 | Basf Se | Verfahren zur Herstellung von Acrylsäure aus Ethanol und Formaldehyd |
| US20140121403A1 (en) | 2012-10-31 | 2014-05-01 | Celanese International Corporation | Integrated Process for the Production of Acrylic Acids and Acrylates |
| US9120743B2 (en) | 2013-06-27 | 2015-09-01 | Celanese International Corporation | Integrated process for the production of acrylic acids and acrylates |
| KR101709754B1 (ko) * | 2016-05-16 | 2017-02-23 | 베니트엠 주식회사 | 기체분배장치 및 기체 분배비율을 조절하는 방법 |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL164663C (nl) * | 1951-03-06 | Contraves Ag | Inrichting voor het in een stromende vloeistof introduceren van een indicatiefluidum. | |
| US2853281A (en) * | 1952-03-26 | 1958-09-23 | Exxon Research Engineering Co | Fractionating tower |
| NL84921C (fr) * | 1953-07-07 | |||
| US2960322A (en) * | 1957-04-03 | 1960-11-15 | Gulf Oil Corp | Apparatus for countercurrent contacting of liquid and vapor streams |
-
1974
- 1974-04-30 IT IT22145/74A patent/IT1010299B/it active
- 1974-05-10 US US05/468,872 patent/US3994977A/en not_active Expired - Lifetime
- 1974-05-10 NL NL7406348A patent/NL7406348A/xx not_active Application Discontinuation
- 1974-05-10 GB GB2072674A patent/GB1458867A/en not_active Expired
- 1974-05-10 JP JP49051421A patent/JPS5827251B2/ja not_active Expired
- 1974-05-10 FR FR7416168A patent/FR2228751B1/fr not_active Expired
- 1974-05-13 BE BE144236A patent/BE814930A/fr not_active IP Right Cessation
Non-Patent Citations (1)
| Title |
|---|
| NEANT * |
Also Published As
| Publication number | Publication date |
|---|---|
| IT1010299B (it) | 1977-01-10 |
| GB1458867A (en) | 1976-12-15 |
| DE2323758A1 (de) | 1974-11-28 |
| JPS5827251B2 (ja) | 1983-06-08 |
| FR2228751B1 (fr) | 1977-10-28 |
| NL7406348A (fr) | 1974-11-13 |
| JPS5014613A (fr) | 1975-02-15 |
| BE814930A (fr) | 1974-11-13 |
| DE2323758B2 (de) | 1976-03-25 |
| US3994977A (en) | 1976-11-30 |