ES2119289T3 - Procedimiento para la obtencion de acido adipico. - Google Patents
Procedimiento para la obtencion de acido adipico.Info
- Publication number
- ES2119289T3 ES2119289T3 ES95117432T ES95117432T ES2119289T3 ES 2119289 T3 ES2119289 T3 ES 2119289T3 ES 95117432 T ES95117432 T ES 95117432T ES 95117432 T ES95117432 T ES 95117432T ES 2119289 T3 ES2119289 T3 ES 2119289T3
- Authority
- ES
- Spain
- Prior art keywords
- acid
- procedure
- adipinic
- nitric acid
- adipic acid
- 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.)
- Expired - Lifetime
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C55/00—Saturated compounds having more than one carboxyl group bound to acyclic carbon atoms
- C07C55/02—Dicarboxylic acids
- C07C55/14—Adipic acid
-
- 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
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)
Abstract
LA INVENCION SE REFIERE A UN PROCEDIMIENTO PARA LA OBTENCION DE ACIDO ADIPINICO A PARTIR DE LEJIA MADRE DE ACIDO NITRICO, ACUOSO, QUE PRECIPITA EN LA ELABORACION DEL ACIDO ADIPINICO TECNICO MEDIANTE (I) AMORTIGUACION DEL ACIDO NITRICO HASTA UN CONTENIDO RESIDUAL CONO MAXIMO DE 2,5 % EN PESO DE HNO{SUB,3}, (II) MEZCLA DEL CONCENTRADO OBTENIDO SEGUN (I) CON AGUA O ACIDO NITRICO ACUOSO, (III) ACTUACION DEL AGUA ADICIONADO SEGUN (II) O DEL ACIDO NITRICO ADICIONADO SEGUN (II) DURANTE UN ESPACIO DE TIEMPO DE AL MENOS 10 MIN. DESDE 20 HASTA 80 RACION DEL ACIDO ADIPINICO PRESENTE DE FORMA CRISTALINA O CRISTALIZADA DESPUES DE ENFRIAMIENTO DE LA MEZCLA OBTENIDA SEGUN LA ETAPA (III).
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE4441175A DE4441175A1 (de) | 1994-11-18 | 1994-11-18 | Verfahren zur Gewinnung von Adipinsäure |
Publications (1)
Publication Number | Publication Date |
---|---|
ES2119289T3 true ES2119289T3 (es) | 1998-10-01 |
Family
ID=6533626
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES95117432T Expired - Lifetime ES2119289T3 (es) | 1994-11-18 | 1995-11-06 | Procedimiento para la obtencion de acido adipico. |
Country Status (9)
Country | Link |
---|---|
US (1) | US5587511A (es) |
EP (1) | EP0712830B1 (es) |
JP (1) | JPH08225485A (es) |
KR (1) | KR100392740B1 (es) |
CN (1) | CN1060157C (es) |
CA (1) | CA2162833A1 (es) |
DE (2) | DE4441175A1 (es) |
ES (1) | ES2119289T3 (es) |
TW (1) | TW321636B (es) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2749299B1 (fr) * | 1996-06-04 | 1998-07-17 | Rhone Poulenc Fibres | Procede de purification de l'acide adipique dans l'eau |
US6235932B1 (en) | 1999-06-18 | 2001-05-22 | Chemintel (India) Private Ltd. | Process for preparation of adipic acid |
JP4683807B2 (ja) * | 1999-11-05 | 2011-05-18 | 旭化成ケミカルズ株式会社 | ジオール混合物の製造方法 |
US6946572B2 (en) * | 2003-10-16 | 2005-09-20 | Invista North America S.A.R.L. | Crystallization of adipic acid from its solution in aqueous nitric acid |
CN100410229C (zh) * | 2006-08-18 | 2008-08-13 | 李强国 | 一种处理己二酸生产废液的方法 |
CN102372622A (zh) * | 2010-08-17 | 2012-03-14 | 山东洪业化工集团股份有限公司 | 二元酸混合液中提取己二酸新技术 |
KR20200103743A (ko) * | 2017-12-22 | 2020-09-02 | 바스프 에스이 | 아디프산으로부터 니트레이트 화합물을 제거하는 방법 |
CN109761793B (zh) * | 2019-03-08 | 2022-03-22 | 河北工业大学 | 一种溶液-熔融结晶耦合分离提纯混合二元酸的方法 |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3338959A (en) * | 1962-08-22 | 1967-08-29 | Du Pont | Process for separation and recovery of glutaric, succinic, and adipic acids |
CA955876A (en) | 1970-10-15 | 1974-10-08 | Edward G. Adamek | Separation of dicarboxylic acids |
US4014903A (en) | 1975-08-11 | 1977-03-29 | Allied Chemical Corporation | Recovery of dicarboxylic acids from aqueous solution containing nitric acid |
US4146730A (en) | 1975-12-25 | 1979-03-27 | Asahi Kasei Kogyo Kabushiki Kaisha | Method for obtaining glutaric acid, succinic acid, and adipic acid from an acid mixture comprising them |
US4254283A (en) | 1979-06-07 | 1981-03-03 | Monsanto Company | Process for preparing adipic acid with recovery of glutaric and succinic acids |
DE3002256A1 (de) | 1980-01-23 | 1981-07-30 | Basf Ag, 6700 Ludwigshafen | Verfahren zur abtrennung von adipinsaeure |
US4442303A (en) | 1980-12-09 | 1984-04-10 | El Paso Products Company | Recovery of water miscible organic acids from aqueous solution as alkyl esters |
DE4106937A1 (de) * | 1991-03-05 | 1992-09-10 | Bayer Ag | Verfahren zur rueckgewinnung von adipinsaeure |
-
1994
- 1994-11-18 DE DE4441175A patent/DE4441175A1/de not_active Withdrawn
-
1995
- 1995-10-13 TW TW084110746A patent/TW321636B/zh active
- 1995-11-06 EP EP95117432A patent/EP0712830B1/de not_active Expired - Lifetime
- 1995-11-06 ES ES95117432T patent/ES2119289T3/es not_active Expired - Lifetime
- 1995-11-06 DE DE59503152T patent/DE59503152D1/de not_active Expired - Fee Related
- 1995-11-13 US US08/556,572 patent/US5587511A/en not_active Expired - Fee Related
- 1995-11-14 CA CA002162833A patent/CA2162833A1/en not_active Abandoned
- 1995-11-16 JP JP7321238A patent/JPH08225485A/ja active Pending
- 1995-11-17 CN CN95120075A patent/CN1060157C/zh not_active Expired - Fee Related
- 1995-11-17 KR KR1019950041836A patent/KR100392740B1/ko not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
JPH08225485A (ja) | 1996-09-03 |
EP0712830A1 (de) | 1996-05-22 |
TW321636B (es) | 1997-12-01 |
CN1131658A (zh) | 1996-09-25 |
DE4441175A1 (de) | 1996-05-23 |
KR100392740B1 (ko) | 2003-11-20 |
DE59503152D1 (de) | 1998-09-17 |
EP0712830B1 (de) | 1998-08-12 |
CA2162833A1 (en) | 1996-05-19 |
CN1060157C (zh) | 2001-01-03 |
US5587511A (en) | 1996-12-24 |
KR960017612A (ko) | 1996-06-17 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
FG2A | Definitive protection |
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