ATE167177T1 - Verfahren zur wiedergewinnung von citronensäure - Google Patents
Verfahren zur wiedergewinnung von citronensäureInfo
- Publication number
- ATE167177T1 ATE167177T1 AT92908122T AT92908122T ATE167177T1 AT E167177 T1 ATE167177 T1 AT E167177T1 AT 92908122 T AT92908122 T AT 92908122T AT 92908122 T AT92908122 T AT 92908122T AT E167177 T1 ATE167177 T1 AT E167177T1
- Authority
- AT
- Austria
- Prior art keywords
- citric acid
- acid
- desorbed
- adsorb
- contacted
- 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 abstract 33
- 238000000034 method Methods 0.000 title abstract 5
- 239000002253 acid Substances 0.000 abstract 2
- 239000007790 solid phase Substances 0.000 abstract 2
- JUJWROOIHBZHMG-UHFFFAOYSA-N Pyridine Chemical group C1=CC=NC=C1 JUJWROOIHBZHMG-UHFFFAOYSA-N 0.000 abstract 1
- 238000011109 contamination Methods 0.000 abstract 1
- 238000006073 displacement reaction Methods 0.000 abstract 1
- 239000012458 free base Substances 0.000 abstract 1
- 239000012535 impurity Substances 0.000 abstract 1
- 150000007522 mineralic acids Chemical class 0.000 abstract 1
- 239000003960 organic solvent Substances 0.000 abstract 1
- 229920000642 polymer Polymers 0.000 abstract 1
- 238000011084 recovery Methods 0.000 abstract 1
- 239000011347 resin Substances 0.000 abstract 1
- 229920005989 resin Polymers 0.000 abstract 1
- 125000001302 tertiary amino group Chemical group 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
- C07C51/47—Separation; Purification; Stabilisation; Use of additives by solid-liquid treatment; by chemisorption
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)
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
- Preparation Of Compounds By Using Micro-Organisms (AREA)
- Water Treatment By Sorption (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US66949091A | 1991-03-14 | 1991-03-14 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ATE167177T1 true ATE167177T1 (de) | 1998-06-15 |
Family
ID=24686516
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| AT92908122T ATE167177T1 (de) | 1991-03-14 | 1992-03-12 | Verfahren zur wiedergewinnung von citronensäure |
Country Status (12)
| Country | Link |
|---|---|
| EP (1) | EP0576547B1 (show.php) |
| JP (1) | JPH06506211A (show.php) |
| KR (1) | KR100294285B1 (show.php) |
| AT (1) | ATE167177T1 (show.php) |
| AU (1) | AU670027B2 (show.php) |
| BR (1) | BR9205767A (show.php) |
| CA (1) | CA2106078C (show.php) |
| DE (1) | DE69225886T2 (show.php) |
| ES (1) | ES2118813T3 (show.php) |
| IL (1) | IL101195A (show.php) |
| TW (1) | TW265331B (show.php) |
| WO (1) | WO1992016490A1 (show.php) |
Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1995021810A1 (en) * | 1994-02-15 | 1995-08-17 | Reilly Industries, Inc. | Desorption process and apparatus |
| US6114577A (en) * | 1995-02-15 | 2000-09-05 | Reilly Industries, Inc. | Desorption process and apparatus |
| US6146534A (en) | 1996-08-19 | 2000-11-14 | Reilly Industries, Inc. | Thermally-managed separation and dewatering processes for recovering acid products |
| KR19990064154A (ko) * | 1995-10-10 | 1999-07-26 | 레일리 인더스트리즈, 인코포레이티드 | 산 생성물을 회수하기 위한 열-처리 분리 및탈수 방법 |
| IL115564A (en) * | 1995-10-11 | 1999-06-20 | Yissum Res Dev Co | Process for the recovery of ascorbic acid from an aqueous feed solution |
| IL119731A0 (en) * | 1996-12-01 | 1997-03-18 | Yissum Res Dev Co | A process for the production of erythorbic acid |
| US5965771A (en) * | 1997-10-03 | 1999-10-12 | The Regents Of The University Of California | Regeneration of carboxylic acid-laden basic sorbents by leaching with a volatile base in an organic solvent |
| CN1305500A (zh) * | 1998-04-15 | 2001-07-25 | 莱利工业公司 | 利用两性碱性聚合物的分离方法 |
| US6153791A (en) * | 1999-08-02 | 2000-11-28 | Archer-Daniels-Midland Company | Process for purifying 2-keto-L-gulonic acid |
| EP2537584B1 (en) | 2010-02-19 | 2019-04-03 | Mitsubishi Gas Chemical Company, Inc. | Pretreatment method for chelate resin having pyridine ring used for collecting catalyst in aromatic carboxylic acid production process |
| ES2727581T3 (es) | 2010-02-19 | 2019-10-17 | Mitsubishi Gas Chemical Co | Método de pretratamiento de una resina de quelato que tiene un anillo de piridina usada para recoger un catalizador en un procedimiento de producción de ácido tereftálico |
| CN104725212B (zh) * | 2015-03-30 | 2016-02-10 | 王屹翀 | 吸附加蒸汽解吸分离醋酸/水体系的方法 |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB868926A (en) * | 1956-06-28 | 1961-05-25 | Benckiser Gmbh Joh A | A method for the purification and concentration of carboxylic acids |
| US4851573A (en) * | 1986-12-18 | 1989-07-25 | Uop | Separation of citric acid from fermentation broth with a weakly basic anionic exchange resin adsorbent |
| DE3860945D1 (de) * | 1988-01-11 | 1990-12-06 | Uop Inc | Abtrennung von zitronensaeure aus fermentationsbruehen. |
| FR2632302B1 (fr) * | 1988-06-06 | 1991-02-22 | Roquette Freres | Procede de recuperation d'acide citrique a partir d'une liqueur en contenant |
-
1992
- 1992-01-08 TW TW081100099A patent/TW265331B/zh active
- 1992-03-10 IL IL10119592A patent/IL101195A/en not_active IP Right Cessation
- 1992-03-12 WO PCT/US1992/001986 patent/WO1992016490A1/en not_active Ceased
- 1992-03-12 EP EP92908122A patent/EP0576547B1/en not_active Expired - Lifetime
- 1992-03-12 KR KR1019930702724A patent/KR100294285B1/ko not_active Expired - Fee Related
- 1992-03-12 AT AT92908122T patent/ATE167177T1/de not_active IP Right Cessation
- 1992-03-12 ES ES92908122T patent/ES2118813T3/es not_active Expired - Lifetime
- 1992-03-12 DE DE69225886T patent/DE69225886T2/de not_active Expired - Fee Related
- 1992-03-12 CA CA002106078A patent/CA2106078C/en not_active Expired - Fee Related
- 1992-03-12 JP JP4508333A patent/JPH06506211A/ja active Pending
- 1992-03-12 AU AU15837/92A patent/AU670027B2/en not_active Ceased
- 1992-03-12 BR BR9205767A patent/BR9205767A/pt not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| ES2118813T3 (es) | 1998-10-01 |
| WO1992016490A1 (en) | 1992-10-01 |
| CA2106078A1 (en) | 1992-09-15 |
| BR9205767A (pt) | 1994-11-08 |
| TW265331B (show.php) | 1995-12-11 |
| DE69225886T2 (de) | 1998-12-17 |
| KR100294285B1 (ko) | 2001-09-17 |
| IL101195A (en) | 1996-10-31 |
| IL101195A0 (en) | 1992-11-15 |
| AU670027B2 (en) | 1996-07-04 |
| DE69225886D1 (de) | 1998-07-16 |
| CA2106078C (en) | 2002-10-29 |
| JPH06506211A (ja) | 1994-07-14 |
| EP0576547A1 (en) | 1994-01-05 |
| EP0576547B1 (en) | 1998-06-10 |
| AU1583792A (en) | 1992-10-21 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| REN | Ceased due to non-payment of the annual fee |