ES2173976T3 - Procedimiento para recuperar acido citrico. - Google Patents
Procedimiento para recuperar acido citrico.Info
- Publication number
- ES2173976T3 ES2173976T3 ES95936195T ES95936195T ES2173976T3 ES 2173976 T3 ES2173976 T3 ES 2173976T3 ES 95936195 T ES95936195 T ES 95936195T ES 95936195 T ES95936195 T ES 95936195T ES 2173976 T3 ES2173976 T3 ES 2173976T3
- Authority
- ES
- Spain
- Prior art keywords
- recover
- procedure
- citric acid
- less desirable
- citrus 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
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 title abstract 13
- 238000000034 method Methods 0.000 title abstract 2
- 238000001914 filtration Methods 0.000 abstract 2
- 239000007788 liquid Substances 0.000 abstract 2
- 238000001728 nano-filtration Methods 0.000 abstract 1
- 239000012466 permeate Substances 0.000 abstract 1
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
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Preparation Of Compounds By Using Micro-Organisms (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
- Polysaccharides And Polysaccharide Derivatives (AREA)
- Coloring Foods And Improving Nutritive Qualities (AREA)
- Preparation Of Fruits And Vegetables (AREA)
Abstract
UN PROCEDIMIENTO PARA TRATAR UN LIQUIDO QUE COMPRENDE SOMETER UN LIQUIDO QUE CONTIENE, EN SOLUCION, ACIDO CITRICO ASI COMO UN COMPONENTE MENOS DESEABLE QUE TENGA UN PESO MOLECULAR SIMILAR AL ACIDO CITRICO, A NANOFILTRACION EN UN PASO DE FILTRACION. A PARTIR DEL PASO DE FILTRACION, SE OBTIENE UN PERMEABLE EN QUE EL LA PROPORCION DE LA CONCENTRACION DEL ACIDO CITRICO A LA DEL COMPONENTE MENOS DESEABLE ES SUPERIOR QUE LA PROPORCION DE LA CONCENTRACION DEL ACIDO CITRICO A LA DEL COMPONENTE MENOS DESEABLE EN LA SOLUCION.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ZA947011 | 1994-09-12 |
Publications (1)
Publication Number | Publication Date |
---|---|
ES2173976T3 true ES2173976T3 (es) | 2002-11-01 |
Family
ID=25584348
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES95936195T Expired - Lifetime ES2173976T3 (es) | 1994-09-12 | 1995-09-12 | Procedimiento para recuperar acido citrico. |
Country Status (7)
Country | Link |
---|---|
EP (1) | EP0781264B1 (es) |
JP (1) | JPH10505840A (es) |
AT (1) | ATE214625T1 (es) |
AU (1) | AU3823195A (es) |
DE (1) | DE69525948T2 (es) |
ES (1) | ES2173976T3 (es) |
WO (1) | WO1996008459A1 (es) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
SK279219B6 (sk) * | 1995-10-27 | 1998-08-05 | Likospol | Spôsob koncentračnej purifikácie kyseliny citrónov |
EP0931097B1 (en) | 1996-10-10 | 2005-09-14 | Neose Technologies, Inc. | Carbohydrate purification using reverse osmosis and nanofiltration |
FI120590B (fi) * | 2005-10-28 | 2009-12-15 | Danisco Sweeteners Oy | Erotusmenetelmä |
CN114890889B (zh) * | 2022-05-26 | 2023-04-28 | 湖北兴福电子材料股份有限公司 | 一种电子级柠檬酸的提纯方法 |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE680595C (de) * | 1931-01-07 | 1939-09-01 | Charles Pfizer & Company | Verfahren zum Herstellen kristallisierter Citronensaeure |
DE2450670A1 (de) * | 1974-10-25 | 1976-04-29 | Benckiser Gmbh Joh A | Verfahren zur abtrennung von citrat oder citronensaeure aus fermentationsloesungen |
DE3570866D1 (en) * | 1984-02-03 | 1989-07-13 | Ladenburg Biochemie | Process for the isolation of citric acid |
US5104799A (en) * | 1990-10-05 | 1992-04-14 | Haarmann & Reimer | Method for the production of granular citric acid and salts thereof |
-
1995
- 1995-09-12 EP EP95936195A patent/EP0781264B1/en not_active Expired - Lifetime
- 1995-09-12 DE DE69525948T patent/DE69525948T2/de not_active Expired - Fee Related
- 1995-09-12 AT AT95936195T patent/ATE214625T1/de not_active IP Right Cessation
- 1995-09-12 WO PCT/US1995/012160 patent/WO1996008459A1/en active IP Right Grant
- 1995-09-12 ES ES95936195T patent/ES2173976T3/es not_active Expired - Lifetime
- 1995-09-12 AU AU38231/95A patent/AU3823195A/en not_active Abandoned
- 1995-09-12 JP JP8510431A patent/JPH10505840A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
WO1996008459A1 (en) | 1996-03-21 |
DE69525948D1 (de) | 2002-04-25 |
EP0781264B1 (en) | 2002-03-20 |
MX9701863A (es) | 1998-05-31 |
AU3823195A (en) | 1996-03-29 |
JPH10505840A (ja) | 1998-06-09 |
ATE214625T1 (de) | 2002-04-15 |
EP0781264A1 (en) | 1997-07-02 |
DE69525948T2 (de) | 2002-09-19 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
FG2A | Definitive protection |
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