FR2201275B1 - - Google Patents
Info
- Publication number
- FR2201275B1 FR2201275B1 FR7234670A FR7234670A FR2201275B1 FR 2201275 B1 FR2201275 B1 FR 2201275B1 FR 7234670 A FR7234670 A FR 7234670A FR 7234670 A FR7234670 A FR 7234670A FR 2201275 B1 FR2201275 B1 FR 2201275B1
- 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.)
- Expired
Links
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
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- 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
- B01D3/225—Dual-flow sieve trays
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
- C07C51/42—Separation; Purification; Stabilisation; Use of additives
- C07C51/43—Separation; Purification; Stabilisation; Use of additives by change of the physical state, e.g. crystallisation
- C07C51/44—Separation; Purification; Stabilisation; Use of additives by change of the physical state, e.g. crystallisation by distillation
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C67/00—Preparation of carboxylic acid esters
- C07C67/48—Separation; Purification; Stabilisation; Use of additives
- C07C67/52—Separation; Purification; Stabilisation; Use of additives by change in the physical state, e.g. crystallisation
- C07C67/54—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
- C07C67/00—Preparation of carboxylic acid esters
- C07C67/48—Separation; Purification; Stabilisation; Use of additives
- C07C67/62—Use of additives, e.g. for stabilisation
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Crystallography & Structural Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7234670A FR2201275A1 (en) | 1972-09-29 | 1972-09-29 | Distillation of (meth)acrylic monomers - in presence of polymerisation inhibitor in column with perforated plates, and without overflow tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7234670A FR2201275A1 (en) | 1972-09-29 | 1972-09-29 | Distillation of (meth)acrylic monomers - in presence of polymerisation inhibitor in column with perforated plates, and without overflow tube |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2201275A1 FR2201275A1 (en) | 1974-04-26 |
| FR2201275B1 true FR2201275B1 (ref) | 1975-03-14 |
Family
ID=9104996
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7234670A Granted FR2201275A1 (en) | 1972-09-29 | 1972-09-29 | Distillation of (meth)acrylic monomers - in presence of polymerisation inhibitor in column with perforated plates, and without overflow tube |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR2201275A1 (ref) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SK21497A3 (en) * | 1994-08-18 | 1997-11-05 | Shell Int Research | Process for preparing refined acrylic acid esters |
| WO2003031384A1 (fr) | 2001-10-09 | 2003-04-17 | Mitsubishi Chemical Corporation | Procede permettant la production de composes (meth)acryliques et procede de distillation |
| FR2835831B1 (fr) * | 2002-02-12 | 2006-09-01 | Aventis Animal Nutrition Sa | Procede de purification de l'acroleine |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB732800A (en) * | 1952-11-20 | 1955-06-29 | Distillers Co Yeast Ltd | Purification of acrylates by distillation |
| US2886493A (en) * | 1956-12-24 | 1959-05-12 | Shell Dev | Stabilization of unsaturated aldehydes |
| GB920353A (en) * | 1959-12-10 | 1963-03-06 | Knapsack Ag | Process for stabilizing acrylic acid alkyl esters |
| GB1265419A (ref) * | 1969-08-22 | 1972-03-01 |
-
1972
- 1972-09-29 FR FR7234670A patent/FR2201275A1/fr active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| FR2201275A1 (en) | 1974-04-26 |