DE1443366A1 - Verfahren zur Gewinnung von Dicarbonsaeuren aus Gemischen davon - Google Patents
Verfahren zur Gewinnung von Dicarbonsaeuren aus Gemischen davonInfo
- Publication number
- DE1443366A1 DE1443366A1 DE19631443366 DE1443366A DE1443366A1 DE 1443366 A1 DE1443366 A1 DE 1443366A1 DE 19631443366 DE19631443366 DE 19631443366 DE 1443366 A DE1443366 A DE 1443366A DE 1443366 A1 DE1443366 A1 DE 1443366A1
- Authority
- DE
- Germany
- Prior art keywords
- acid
- mother liquor
- procedure
- adipic acid
- mixtures
- 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.)
- Pending
Links
Classifications
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Crystallography & Structural Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US174277A US3290369A (en) | 1962-02-19 | 1962-02-19 | Recovery of acyclic dicarboxylic acids from mixtures of the same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE1443366A1 true DE1443366A1 (de) | 1968-10-31 |
Family
ID=22635554
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19631443366 Pending DE1443366A1 (de) | 1962-02-19 | 1963-02-15 | Verfahren zur Gewinnung von Dicarbonsaeuren aus Gemischen davon |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US3290369A (enExample) |
| CH (1) | CH421927A (enExample) |
| DE (1) | DE1443366A1 (enExample) |
| GB (1) | GB1004243A (enExample) |
| NL (1) | NL289024A (enExample) |
Families Citing this family (26)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1272913B (de) * | 1963-06-26 | 1968-07-18 | Basf Ag | Verfahren zur Trennung von Bernsteinsaeure, Glutarsaeure und Adipinsaeure durch Destillation |
| GB1197921A (en) * | 1967-02-22 | 1970-07-08 | Ici Ltd | Process for the Purification of Mixtures of Dibasic Carboxylic Acids |
| CA955876A (en) * | 1970-10-15 | 1974-10-08 | Edward G. Adamek | Separation of dicarboxylic acids |
| DE2420765C3 (de) * | 1974-04-29 | 1981-02-12 | Chemische Werke Huels Ag, 4370 Marl | Verfahren zur Reinigung von Decandicarbonsäure- (l,lo) |
| US3983208A (en) * | 1975-01-27 | 1976-09-28 | Celanese Corporation | Recovery of vanadium and copper catalyst metals using ketones |
| FR2697020B1 (fr) * | 1992-10-15 | 1994-12-09 | Oreal | Procédé de désodorisation d'un mercaptoacide par extraction des composés malodorants et produit désodorisé ainsi obtenu. |
| US5883292A (en) * | 1996-01-17 | 1999-03-16 | Twenty-First Century Research Corporation | Reaction control by regulating internal condensation inside a reactor |
| US6288270B1 (en) | 1996-06-24 | 2001-09-11 | Rpc Inc. | Methods for controlling the reaction rate of a hydrocarbon to an acid by making phase-related adjustments |
| US6039902A (en) * | 1996-06-24 | 2000-03-21 | Rpc Inc. | Methods of recycling catalyst in oxidations of hydrocarbons |
| US6143927A (en) | 1996-06-24 | 2000-11-07 | Rpc Inc. | Methods for removing catalyst after oxidation of hydrocarbons |
| US6337051B1 (en) | 1996-06-24 | 2002-01-08 | Rpc Inc. | Device for detecting formation of a second liquid phase |
| US5922908A (en) * | 1996-06-24 | 1999-07-13 | Twenty-First Century Research Corporation | Methods for preparing dibasic acids |
| WO1998007677A1 (en) | 1996-08-21 | 1998-02-26 | Twenty-First Century Research Corporation | Methods and devices for controlling the reaction by adjusting the oxidant consumption rate |
| US20010053864A1 (en) * | 1996-08-21 | 2001-12-20 | Decoster David C. | Devices for controlling the reaction rate and/or reactivity of hydrocarbon to an intermediate oxidation product by adjusting the oxidant consumption rate |
| US5801273A (en) | 1996-08-21 | 1998-09-01 | Twenty-First Century Research Corporation | Methods and devices for controlling the reaction rate of a hydrocarbon to an intermediate oxidation product by pressure drop adjustments |
| US6103933A (en) * | 1996-11-07 | 2000-08-15 | Rpc Inc. | Methods for controlling the oxidation rate of a hydrocarbon by adjusting the ratio of the hydrocarbon to a rate-modulator |
| US5817868A (en) * | 1996-11-12 | 1998-10-06 | Twenty-First Century Research Corporation | Method and devices for controlling the oxidation of a hydrocarbon to an acid by regulating temperature/conversion relationship in multi-stage arrangements |
| US5824819A (en) * | 1996-12-18 | 1998-10-20 | Twenty-First Century Research Corporation | Methods of preparing an intermediate oxidation product from a hydrocarbon by utilizing an activated initiator |
| US6037491A (en) * | 1997-07-25 | 2000-03-14 | Rpc Inc. | Methods and devices for controlling hydrocarbon oxidations to respective acids by adjusting the solvent to hydrocarbon ratio |
| US5929277A (en) * | 1997-09-19 | 1999-07-27 | Twenty-First Century Research Corporation | Methods of removing acetic acid from cyclohexane in the production of adipic acid |
| US5908589A (en) * | 1997-12-08 | 1999-06-01 | Twenty-First Century Research Corporation | Methods for separating catalyst from oxidation mixtures containing dibasic acids |
| AU2116599A (en) | 1998-02-09 | 1999-08-23 | Rpc, Inc. | Process for treating cobalt catalyst in oxidation mixtures of hydrocarbons to dibasic acids |
| AU2116699A (en) * | 1998-02-19 | 1999-09-06 | Rpc, Inc. | Methods and devices for separating catalyst from oxidation mixtures |
| US6433220B1 (en) | 1998-07-02 | 2002-08-13 | Rpc Inc. | Methods of extracting catalyst from a reaction mixture in the oxidation of cyclohexane to adipic acid |
| US6340420B1 (en) | 1998-07-06 | 2002-01-22 | Rpc Inc. | Methods of treating the oxidation mixture of hydrocarbons to respective dibasic acids |
| WO2000063147A1 (en) | 1999-04-20 | 2000-10-26 | Rpc Inc. | Methods of replacing water and cyclohexanone with acetic acid in aqueous solutions of catalyst |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2719172A (en) * | 1951-09-03 | 1955-09-27 | Basf Ag | Nitric acid oxidation to dicarboxylic acids |
| US2831024A (en) * | 1955-04-04 | 1958-04-15 | Gulf Research Development Co | Process for producing dibasic carboxylic acids |
| US2971010A (en) * | 1958-06-26 | 1961-02-07 | Du Pont | Production of dicarboxylic acid anhydrides |
-
0
- NL NL289024D patent/NL289024A/xx unknown
-
1962
- 1962-02-19 US US174277A patent/US3290369A/en not_active Expired - Lifetime
-
1963
- 1963-02-15 DE DE19631443366 patent/DE1443366A1/de active Pending
- 1963-02-18 CH CH200463A patent/CH421927A/de unknown
- 1963-02-19 GB GB6703/63A patent/GB1004243A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB1004243A (en) | 1965-09-15 |
| NL289024A (enExample) | |
| US3290369A (en) | 1966-12-06 |
| CH421927A (de) | 1966-10-15 |
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