DE1004187B - Verfahren zur Anreicherung von Pyrrolidoncarbonsaeure und Glutaminsaeure sowie ihrer Salze aus Ablaugen der Zuckergewinnung - Google Patents
Verfahren zur Anreicherung von Pyrrolidoncarbonsaeure und Glutaminsaeure sowie ihrer Salze aus Ablaugen der ZuckergewinnungInfo
- Publication number
- DE1004187B DE1004187B DEG15425A DEG0015425A DE1004187B DE 1004187 B DE1004187 B DE 1004187B DE G15425 A DEG15425 A DE G15425A DE G0015425 A DEG0015425 A DE G0015425A DE 1004187 B DE1004187 B DE 1004187B
- Authority
- DE
- Germany
- Prior art keywords
- glutamic acid
- acid
- enrichment
- salts
- solvent
- 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
- WHUUTDBJXJRKMK-UHFFFAOYSA-N Glutamic acid Natural products OC(=O)C(N)CCC(O)=O WHUUTDBJXJRKMK-UHFFFAOYSA-N 0.000 title claims description 16
- 235000013922 glutamic acid Nutrition 0.000 title claims description 16
- 239000004220 glutamic acid Substances 0.000 title claims description 16
- WHUUTDBJXJRKMK-VKHMYHEASA-N L-glutamic acid Chemical compound OC(=O)[C@@H](N)CCC(O)=O WHUUTDBJXJRKMK-VKHMYHEASA-N 0.000 title claims description 9
- 238000000034 method Methods 0.000 title claims description 8
- ODHCTXKNWHHXJC-VKHMYHEASA-N 5-oxo-L-proline Chemical compound OC(=O)[C@@H]1CCC(=O)N1 ODHCTXKNWHHXJC-VKHMYHEASA-N 0.000 title claims description 5
- 229940079889 pyrrolidonecarboxylic acid Drugs 0.000 title claims description 5
- 150000003839 salts Chemical class 0.000 title claims description 5
- 238000004519 manufacturing process Methods 0.000 title claims description 4
- 239000002699 waste material Substances 0.000 title claims description 3
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 claims description 24
- LRHPLDYGYMQRHN-UHFFFAOYSA-N N-Butanol Chemical compound CCCCO LRHPLDYGYMQRHN-UHFFFAOYSA-N 0.000 claims description 10
- 239000002904 solvent Substances 0.000 claims description 9
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 8
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 claims description 6
- 238000000605 extraction Methods 0.000 claims description 6
- 150000001298 alcohols Chemical class 0.000 claims description 5
- 229960000583 acetic acid Drugs 0.000 claims description 3
- 239000012362 glacial acetic acid Substances 0.000 claims description 3
- 239000002244 precipitate Substances 0.000 claims description 3
- 240000003085 Quassia amara Species 0.000 claims description 2
- 230000001419 dependent effect Effects 0.000 claims description 2
- 238000011049 filling Methods 0.000 claims description 2
- 239000011490 mineral wool Substances 0.000 claims description 2
- 239000003960 organic solvent Substances 0.000 claims description 2
- BDERNNFJNOPAEC-UHFFFAOYSA-N propan-1-ol Chemical compound CCCO BDERNNFJNOPAEC-UHFFFAOYSA-N 0.000 claims description 2
- -1 B. wood shavings Chemical class 0.000 claims 1
- 239000003795 chemical substances by application Substances 0.000 claims 1
- 150000001875 compounds Chemical class 0.000 claims 1
- 238000004821 distillation Methods 0.000 description 5
- 239000000284 extract Substances 0.000 description 5
- 239000000126 substance Substances 0.000 description 4
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 3
- 238000005119 centrifugation Methods 0.000 description 3
- 238000011084 recovery Methods 0.000 description 3
- 238000000956 solid--liquid extraction Methods 0.000 description 3
- KAESVJOAVNADME-UHFFFAOYSA-N Pyrrole Chemical compound C=1C=CNC=1 KAESVJOAVNADME-UHFFFAOYSA-N 0.000 description 2
- CZMRCDWAGMRECN-UHFFFAOYSA-N Rohrzucker Natural products OCC1OC(CO)(OC2OC(CO)C(O)C(O)C2O)C(O)C1O CZMRCDWAGMRECN-UHFFFAOYSA-N 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 238000002425 crystallisation Methods 0.000 description 2
- 230000008025 crystallization Effects 0.000 description 2
- 150000002306 glutamic acid derivatives Chemical class 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 241000196324 Embryophyta Species 0.000 description 1
- 230000002378 acidificating effect Effects 0.000 description 1
- 159000000007 calcium salts Chemical class 0.000 description 1
- 238000004042 decolorization Methods 0.000 description 1
- 238000004508 fractional distillation Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000002386 leaching Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000000401 methanolic extract Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D207/00—Heterocyclic compounds containing five-membered rings not condensed with other rings, with one nitrogen atom as the only ring hetero atom
- C07D207/02—Heterocyclic compounds containing five-membered rings not condensed with other rings, with one nitrogen atom as the only ring hetero atom with only hydrogen or carbon atoms directly attached to the ring nitrogen atom
- C07D207/18—Heterocyclic compounds containing five-membered rings not condensed with other rings, with one nitrogen atom as the only ring hetero atom with only hydrogen or carbon atoms directly attached to the ring nitrogen atom having one double bond between ring members or between a ring member and a non-ring member
- C07D207/22—Heterocyclic compounds containing five-membered rings not condensed with other rings, with one nitrogen atom as the only ring hetero atom with only hydrogen or carbon atoms directly attached to the ring nitrogen atom having one double bond between ring members or between a ring member and a non-ring member with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms
- C07D207/24—Oxygen or sulfur atoms
- C07D207/26—2-Pyrrolidones
- C07D207/273—2-Pyrrolidones with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to other ring carbon atoms
- C07D207/277—Carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals
- C07D207/28—2-Pyrrolidone-5- carboxylic acids; Functional derivatives thereof, e.g. esters, nitriles
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Extraction Or Liquid Replacement (AREA)
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| BE541435D BE541435A (cs) | 1954-09-23 | ||
| DEG15425A DE1004187B (de) | 1954-09-23 | 1954-09-23 | Verfahren zur Anreicherung von Pyrrolidoncarbonsaeure und Glutaminsaeure sowie ihrer Salze aus Ablaugen der Zuckergewinnung |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DEG15425A DE1004187B (de) | 1954-09-23 | 1954-09-23 | Verfahren zur Anreicherung von Pyrrolidoncarbonsaeure und Glutaminsaeure sowie ihrer Salze aus Ablaugen der Zuckergewinnung |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE1004187B true DE1004187B (de) | 1957-03-14 |
Family
ID=7120442
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DEG15425A Pending DE1004187B (de) | 1954-09-23 | 1954-09-23 | Verfahren zur Anreicherung von Pyrrolidoncarbonsaeure und Glutaminsaeure sowie ihrer Salze aus Ablaugen der Zuckergewinnung |
Country Status (2)
| Country | Link |
|---|---|
| BE (1) | BE541435A (cs) |
| DE (1) | DE1004187B (cs) |
-
0
- BE BE541435D patent/BE541435A/xx unknown
-
1954
- 1954-09-23 DE DEG15425A patent/DE1004187B/de active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| BE541435A (cs) |
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