AT345761B - Verfahren zur abtrennung und konzentrierung von citrat bzw. citronensaeure und/oder isocitronensaeure aus waesserigen loesungen - Google Patents
Verfahren zur abtrennung und konzentrierung von citrat bzw. citronensaeure und/oder isocitronensaeure aus waesserigen loesungenInfo
- Publication number
- AT345761B AT345761B AT805375A AT805375A AT345761B AT 345761 B AT345761 B AT 345761B AT 805375 A AT805375 A AT 805375A AT 805375 A AT805375 A AT 805375A AT 345761 B AT345761 B AT 345761B
- Authority
- AT
- Austria
- Prior art keywords
- citrate
- separation
- concentration
- acid
- citric acid
- Prior art date
Links
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 title 3
- KRKNYBCHXYNGOX-UHFFFAOYSA-K Citrate Chemical compound [O-]C(=O)CC(O)(CC([O-])=O)C([O-])=O KRKNYBCHXYNGOX-UHFFFAOYSA-K 0.000 title 1
- ODBLHEXUDAPZAU-ZAFYKAAXSA-N D-threo-isocitric acid Chemical compound OC(=O)[C@H](O)[C@@H](C(O)=O)CC(O)=O ODBLHEXUDAPZAU-ZAFYKAAXSA-N 0.000 title 1
- ODBLHEXUDAPZAU-FONMRSAGSA-N Isocitric acid Natural products OC(=O)[C@@H](O)[C@H](C(O)=O)CC(O)=O ODBLHEXUDAPZAU-FONMRSAGSA-N 0.000 title 1
- 238000000034 method Methods 0.000 title 1
- 238000000926 separation method Methods 0.000 title 1
- ODBLHEXUDAPZAU-UHFFFAOYSA-N threo-D-isocitric acid Natural products OC(=O)C(O)C(C(O)=O)CC(O)=O ODBLHEXUDAPZAU-UHFFFAOYSA-N 0.000 title 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D67/00—Processes specially adapted for manufacturing semi-permeable membranes for separation processes or apparatus
- B01D67/0081—After-treatment of organic or inorganic membranes
- B01D67/0093—Chemical modification
- B01D67/00931—Chemical modification by introduction of specific groups after membrane formation, e.g. by grafting
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D71/00—Semi-permeable membranes for separation processes or apparatus characterised by the material; Manufacturing processes specially adapted therefor
- B01D71/06—Organic material
- B01D71/40—Polymers of unsaturated acids or derivatives thereof, e.g. salts, amides, imides, nitriles, anhydrides, esters
- B01D71/401—Polymers based on the polymerisation of acrylic acid, e.g. polyacrylate
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D71/00—Semi-permeable membranes for separation processes or apparatus characterised by the material; Manufacturing processes specially adapted therefor
- B01D71/06—Organic material
- B01D71/40—Polymers of unsaturated acids or derivatives thereof, e.g. salts, amides, imides, nitriles, anhydrides, esters
- B01D71/42—Polymers of nitriles, e.g. polyacrylonitrile
- B01D71/421—Polyacrylonitrile
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D71/00—Semi-permeable membranes for separation processes or apparatus characterised by the material; Manufacturing processes specially adapted therefor
- B01D71/06—Organic material
- B01D71/58—Other polymers having nitrogen in the main chain, with or without oxygen or carbon only
- B01D71/62—Polycondensates having nitrogen-containing heterocyclic rings in the main chain
- B01D71/64—Polyimides; Polyamide-imides; Polyester-imides; Polyamide acids or similar polyimide precursors
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D71/00—Semi-permeable membranes for separation processes or apparatus characterised by the material; Manufacturing processes specially adapted therefor
- B01D71/06—Organic material
- B01D71/66—Polymers having sulfur in the main chain, with or without nitrogen, oxygen or carbon only
- B01D71/68—Polysulfones; Polyethersulfones
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2323/00—Details relating to membrane preparation
- B01D2323/30—Cross-linking
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2325/00—Details relating to properties of membranes
- B01D2325/14—Membrane materials having negatively charged functional groups
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2325/00—Details relating to properties of membranes
- B01D2325/16—Membrane materials having positively charged functional groups
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Transplantation (AREA)
- Inorganic Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Preparation Of Compounds By Using Micro-Organisms (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19742450670 DE2450670A1 (de) | 1974-10-25 | 1974-10-25 | Verfahren zur abtrennung von citrat oder citronensaeure aus fermentationsloesungen |
Publications (2)
Publication Number | Publication Date |
---|---|
ATA805375A ATA805375A (de) | 1978-02-15 |
AT345761B true AT345761B (de) | 1978-10-10 |
Family
ID=5929123
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AT805375A AT345761B (de) | 1974-10-25 | 1975-10-22 | Verfahren zur abtrennung und konzentrierung von citrat bzw. citronensaeure und/oder isocitronensaeure aus waesserigen loesungen |
Country Status (9)
Country | Link |
---|---|
US (1) | US4075093A (de) |
JP (1) | JPS5182218A (de) |
AT (1) | AT345761B (de) |
BE (1) | BE834848A (de) |
DE (1) | DE2450670A1 (de) |
FR (1) | FR2288728A1 (de) |
GB (1) | GB1494414A (de) |
IE (1) | IE41453B1 (de) |
IT (1) | IT1039890B (de) |
Families Citing this family (30)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL7812340A (nl) * | 1977-12-28 | 1979-07-02 | Sumitomo Chemical Co | Semipermeabel membraan en werkwijze voor het vervaardi- gen daarvan. |
US4476025A (en) * | 1983-05-09 | 1984-10-09 | The United States Of America As Represented By The United States Department Of Energy | Separation of certain carboxylic acids utilizing cation exchange membranes |
DE3328093A1 (de) * | 1983-08-04 | 1985-02-21 | Hoechst Ag, 6230 Frankfurt | Isolierung von durch fermentation erzeugten carbonsaeuren |
ATE43831T1 (de) * | 1984-02-03 | 1989-06-15 | Ladenburg Biochemie | Verfahren zur gewinnung von citronensaeure. |
JPH068434B2 (ja) * | 1984-09-03 | 1994-02-02 | 花王株式会社 | 衣料用洗浄剤組成物 |
US4728429A (en) * | 1985-06-27 | 1988-03-01 | Israel Cabasso | Membrane permeation process for dehydration of organic liquid mixtures using sulfonated ion-exchange polyalkene membranes |
DE3720261A1 (de) * | 1987-06-19 | 1988-12-29 | Henkel Kgaa | Verfahren zur trennung von dicarbonsaeuren |
GB2207618B (en) * | 1987-08-05 | 1991-05-15 | Ciba Geigy Ag | Process for treating aqueous fluids containing organic compounds and salts of polyvalent inorganic acids |
EP0473541A3 (en) * | 1990-08-17 | 1992-05-27 | Ciba-Geigy Ag | Process for enrichment or separation, copolyamide and copolyimidamide and their use |
US5322922A (en) * | 1990-08-17 | 1994-06-21 | Ciba-Geigy Corporation | Copolyamide or copolyimide-amide containing sulfo groups |
US6001255A (en) * | 1993-07-12 | 1999-12-14 | Eyal; Aharon | Process for the production of water-soluble salts of carboxylic and amino acids |
US5965028A (en) * | 1994-09-12 | 1999-10-12 | Reilly Industries, Inc. | Process for treating a liquid |
JPH10505840A (ja) * | 1994-09-12 | 1998-06-09 | エーイーシーアイ リミテッド | クエン酸の回収方法 |
SK279219B6 (sk) * | 1995-10-27 | 1998-08-05 | Likospol | Spôsob koncentračnej purifikácie kyseliny citrónov |
DE19545303C1 (de) * | 1995-12-05 | 1997-04-24 | Metallgesellschaft Ag | Verfahren zur Herstellung einer organischen Säure |
DE10209419A1 (de) * | 2002-03-05 | 2003-09-25 | Celanese Ventures Gmbh | Verfahren zur Herstellung einer Polymerelektrolytmembran und deren Anwendung in Brennstoffzellen |
US20050118478A1 (en) * | 2002-03-06 | 2005-06-02 | Joachim Kiefer | Mixture comprising sulphonic acid containing vinyl, polymer electrolyte membrane comprising polyvinylsulphonic acid and the use thereof in fuel cells |
DE10213540A1 (de) * | 2002-03-06 | 2004-02-19 | Celanese Ventures Gmbh | Lösung aus Vinylphosphonsäure, Verfahren zur Herstellung einer Polymerelektrolytmembran aus Polyvinylphosphaonsäure und deren Anwendung in Brennstoffzellen |
WO2003074597A1 (de) * | 2002-03-06 | 2003-09-12 | Pemeas Gmbh | Protonenleitende elektrolytmembran mit geringer methanoldurchlässigkeit und deren anwendung in brennstoffzellen |
JP4638220B2 (ja) * | 2002-04-25 | 2011-02-23 | ビーエーエスエフ フューエル セル ゲゼルシャフト ミット ベシュレンクテル ハフツング | 多層電解質膜 |
DE10220817A1 (de) * | 2002-05-10 | 2003-11-27 | Celanese Ventures Gmbh | Verfahren zur Herstellung einer gepfropften Polymerelektrolytmembran und deren Anwendung in Brennstoffzellen |
DE10230477A1 (de) * | 2002-07-06 | 2004-01-15 | Celanese Ventures Gmbh | Funktionalisierte Polyazole, Verfahren zu ihrer Herstellung sowie ihre Verwendung |
WO2004015803A1 (de) * | 2002-08-02 | 2004-02-19 | Pemeas Gmbh | Protonenleitende polymembran umfassend sulfonsäuregruppen enthaltende polymere und deren anwendung in brennstoffzellen |
DE10239701A1 (de) * | 2002-08-29 | 2004-03-11 | Celanese Ventures Gmbh | Polymerfolie auf Basis von Polyazolen und deren Verwendung |
DE10246459A1 (de) * | 2002-10-04 | 2004-04-15 | Celanese Ventures Gmbh | Protonenleitende Polymermembran umfassend Phosphonsäuregruppen enthaltende Polyazole und deren Anwendung in Brennstoffzellen |
DE10246373A1 (de) | 2002-10-04 | 2004-04-15 | Celanese Ventures Gmbh | Protonenleitende Polymermembran umfassend Sulfonsäuregruppen enthaltende Polyazole und deren Anwendung in Brennstoffzellen |
US7820314B2 (en) | 2003-07-27 | 2010-10-26 | Basf Fuel Cell Research Gmbh | Proton-conducting membrane and use thereof |
JP4586794B2 (ja) * | 2006-11-07 | 2010-11-24 | トヨタ自動車株式会社 | 固体高分子電解質並びにその製造方法及びこれを用いた燃料電池用膜・電極接合体 |
WO2010097681A1 (en) * | 2009-02-25 | 2010-09-02 | Council Of Scientific & Industrial Research | A polybenzimidazole based membrane for deacidification |
WO2012177133A1 (en) | 2011-06-24 | 2012-12-27 | Stichting Voor De Technische Wetenschappen | Cross-linked polyimide membranes |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3004904A (en) * | 1955-05-25 | 1961-10-17 | Nalco Chemical Co | Electronegative selective permeable membrane and method of production |
BE608328A (de) * | 1960-09-19 | |||
US3342729A (en) * | 1964-12-09 | 1967-09-19 | Dow Chemical Co | Permeability separatory cell and apparatus and method of using the same |
IL27218A (en) * | 1966-01-17 | 1970-05-21 | Aerojet General Co | Reverse osmosis and membrane manufacture |
US3544455A (en) * | 1969-06-16 | 1970-12-01 | Pfizer & Co C | Itaconic acid purification process using reverse osmosis |
US3750735A (en) * | 1970-06-16 | 1973-08-07 | Monsanto Co | Removal of water from liquid mixtures containing formaldehyde using a porous polymeric membrane |
US3723309A (en) * | 1971-09-20 | 1973-03-27 | Exxon Production Research Co | System and method for cleaning oily solid material |
-
1974
- 1974-10-25 DE DE19742450670 patent/DE2450670A1/de not_active Withdrawn
-
1975
- 1975-07-17 IT IT25505/75A patent/IT1039890B/it active
- 1975-08-06 GB GB32839/75A patent/GB1494414A/en not_active Expired
- 1975-08-13 JP JP50097683A patent/JPS5182218A/ja active Pending
- 1975-08-19 IE IE1828/75A patent/IE41453B1/en unknown
- 1975-10-21 FR FR7532107A patent/FR2288728A1/fr active Granted
- 1975-10-22 AT AT805375A patent/AT345761B/de not_active IP Right Cessation
- 1975-10-23 US US05/625,140 patent/US4075093A/en not_active Expired - Lifetime
- 1975-10-24 BE BE161232A patent/BE834848A/xx unknown
Also Published As
Publication number | Publication date |
---|---|
DE2450670A1 (de) | 1976-04-29 |
GB1494414A (en) | 1977-12-07 |
FR2288728B3 (de) | 1980-04-25 |
FR2288728A1 (fr) | 1976-05-21 |
US4075093A (en) | 1978-02-21 |
JPS5182218A (en) | 1976-07-19 |
IE41453B1 (en) | 1980-01-02 |
IE41453L (en) | 1976-04-25 |
ATA805375A (de) | 1978-02-15 |
IT1039890B (it) | 1979-12-10 |
BE834848A (fr) | 1976-02-16 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ELJ | Ceased due to non-payment of the annual fee |