DE2006979A1 - Verfahren zu der Herstellung von Methionin - Google Patents
Verfahren zu der Herstellung von MethioninInfo
- Publication number
- DE2006979A1 DE2006979A1 DE19702006979 DE2006979A DE2006979A1 DE 2006979 A1 DE2006979 A1 DE 2006979A1 DE 19702006979 DE19702006979 DE 19702006979 DE 2006979 A DE2006979 A DE 2006979A DE 2006979 A1 DE2006979 A1 DE 2006979A1
- Authority
- DE
- Germany
- Prior art keywords
- methionine
- reaction mixture
- ammonia
- temperature
- water
- 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
- 229930182817 methionine Natural products 0.000 title claims description 42
- 238000000034 method Methods 0.000 title claims description 20
- FFEARJCKVFRZRR-BYPYZUCNSA-N L-methionine Chemical compound CSCC[C@H](N)C(O)=O FFEARJCKVFRZRR-BYPYZUCNSA-N 0.000 title claims description 13
- 238000004519 manufacturing process Methods 0.000 title claims description 6
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims description 78
- 229910021529 ammonia Inorganic materials 0.000 claims description 39
- -1 methionine nitrile Chemical class 0.000 claims description 31
- 239000011541 reaction mixture Substances 0.000 claims description 27
- 239000007788 liquid Substances 0.000 claims description 26
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 24
- LELOWRISYMNNSU-UHFFFAOYSA-N hydrogen cyanide Chemical compound N#C LELOWRISYMNNSU-UHFFFAOYSA-N 0.000 claims description 8
- 230000015572 biosynthetic process Effects 0.000 claims description 7
- 238000005903 acid hydrolysis reaction Methods 0.000 claims description 6
- 238000001816 cooling Methods 0.000 claims description 6
- 230000007062 hydrolysis Effects 0.000 claims description 6
- 238000006460 hydrolysis reaction Methods 0.000 claims description 6
- 230000002378 acidificating effect Effects 0.000 claims description 5
- 238000006243 chemical reaction Methods 0.000 claims description 3
- ICAIHGOJRDCMHE-UHFFFAOYSA-O ammonium cyanide Chemical compound [NH4+].N#[C-] ICAIHGOJRDCMHE-UHFFFAOYSA-O 0.000 claims description 2
- 150000001875 compounds Chemical class 0.000 claims description 2
- 239000012429 reaction media Substances 0.000 claims description 2
- 150000003863 ammonium salts Chemical class 0.000 description 7
- 239000000203 mixture Substances 0.000 description 5
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 4
- 239000000376 reactant Substances 0.000 description 4
- 238000000926 separation method Methods 0.000 description 4
- 239000012295 chemical reaction liquid Substances 0.000 description 3
- 238000005191 phase separation Methods 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 2
- 239000006227 byproduct Substances 0.000 description 2
- 238000000354 decomposition reaction Methods 0.000 description 2
- AKLOIDCXSWPTQW-UHFFFAOYSA-N 2-sulfanylbutanal Chemical compound CCC(S)C=O AKLOIDCXSWPTQW-UHFFFAOYSA-N 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- BFNBIHQBYMNNAN-UHFFFAOYSA-N ammonium sulfate Chemical compound N.N.OS(O)(=O)=O BFNBIHQBYMNNAN-UHFFFAOYSA-N 0.000 description 1
- 229910052921 ammonium sulfate Inorganic materials 0.000 description 1
- 235000011130 ammonium sulphate Nutrition 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000008236 heating water Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000006386 neutralization reaction Methods 0.000 description 1
- 150000002825 nitriles Chemical class 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000012495 reaction gas Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C323/00—Thiols, sulfides, hydropolysulfides or polysulfides substituted by halogen, oxygen or nitrogen atoms, or by sulfur atoms not being part of thio groups
- C07C323/50—Thiols, sulfides, hydropolysulfides or polysulfides substituted by halogen, oxygen or nitrogen atoms, or by sulfur atoms not being part of thio groups containing thio groups and carboxyl groups bound to the same carbon skeleton
- C07C323/51—Thiols, sulfides, hydropolysulfides or polysulfides substituted by halogen, oxygen or nitrogen atoms, or by sulfur atoms not being part of thio groups containing thio groups and carboxyl groups bound to the same carbon skeleton having the sulfur atoms of the thio groups bound to acyclic carbon atoms of the carbon skeleton
- C07C323/57—Thiols, sulfides, hydropolysulfides or polysulfides substituted by halogen, oxygen or nitrogen atoms, or by sulfur atoms not being part of thio groups containing thio groups and carboxyl groups bound to the same carbon skeleton having the sulfur atoms of the thio groups bound to acyclic carbon atoms of the carbon skeleton the carbon skeleton being further substituted by nitrogen atoms, not being part of nitro or nitroso groups
- C07C323/58—Thiols, sulfides, hydropolysulfides or polysulfides substituted by halogen, oxygen or nitrogen atoms, or by sulfur atoms not being part of thio groups containing thio groups and carboxyl groups bound to the same carbon skeleton having the sulfur atoms of the thio groups bound to acyclic carbon atoms of the carbon skeleton the carbon skeleton being further substituted by nitrogen atoms, not being part of nitro or nitroso groups with amino groups bound to the carbon skeleton
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C319/00—Preparation of thiols, sulfides, hydropolysulfides or polysulfides
- C07C319/14—Preparation of thiols, sulfides, hydropolysulfides or polysulfides of sulfides
- C07C319/20—Preparation of thiols, sulfides, hydropolysulfides or polysulfides of sulfides by reactions not involving the formation of sulfide groups
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C319/00—Preparation of thiols, sulfides, hydropolysulfides or polysulfides
- C07C319/26—Separation; Purification; Stabilisation; Use of additives
- C07C319/28—Separation; Purification
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL6902453A NL6902453A (enrdf_load_stackoverflow) | 1969-02-15 | 1969-02-15 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE2006979A1 true DE2006979A1 (de) | 1970-09-10 |
Family
ID=19806169
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19702006979 Pending DE2006979A1 (de) | 1969-02-15 | 1970-02-16 | Verfahren zu der Herstellung von Methionin |
Country Status (5)
| Country | Link |
|---|---|
| BE (1) | BE745945A (enrdf_load_stackoverflow) |
| DE (1) | DE2006979A1 (enrdf_load_stackoverflow) |
| FR (1) | FR2035407A5 (enrdf_load_stackoverflow) |
| GB (1) | GB1237346A (enrdf_load_stackoverflow) |
| NL (1) | NL6902453A (enrdf_load_stackoverflow) |
-
1969
- 1969-02-15 NL NL6902453A patent/NL6902453A/xx unknown
-
1970
- 1970-02-13 FR FR7005179A patent/FR2035407A5/fr not_active Expired
- 1970-02-13 BE BE745945D patent/BE745945A/xx not_active IP Right Cessation
- 1970-02-16 DE DE19702006979 patent/DE2006979A1/de active Pending
- 1970-02-16 GB GB7322/70A patent/GB1237346A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB1237346A (en) | 1971-06-30 |
| NL6902453A (enrdf_load_stackoverflow) | 1970-08-18 |
| FR2035407A5 (enrdf_load_stackoverflow) | 1970-12-18 |
| BE745945A (enrdf_load_stackoverflow) | 1970-08-13 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| DE2126776C3 (de) | Verfahren und Vorrichtung zur Rückgewinnung von Ammoniak und Kohlendioxid aus einem wasserstoff- und sauerstoffhaltigen Abgas einer Harnstoffsynthese | |
| DE2027018A1 (de) | Verfahren zur Ruckgewinnung von verbrauchter Salzsaure Beize | |
| DE69117641T2 (de) | Verfahren zur Herstellung von Harnstoff mit unterschiedlichen Leistungen sowie die Implementierung in existierenden Anlagen | |
| DE1290537B (de) | Verfahren und Vorrichtung zur Rueckgewinnung nichtumgesetzter Reaktionsteilnehmer der Harnstoffsynthese | |
| DE1592039C3 (de) | Verfahren zur gleichzeitigen Herstellung von Natriumcarbonat und Chlorwasserstoff | |
| DE2329733A1 (de) | Verfahren zur herstellung von harnstoff | |
| DE1618730A1 (de) | Verfahren zum Herstellen von Harnstoff | |
| DE1443164A1 (de) | Verbessertes Verfahren zur Herstellung von Harnstoff | |
| DE1956874C3 (de) | Kreislaufverfahren zur Herstellung von Ketoximen | |
| DE2006979A1 (de) | Verfahren zu der Herstellung von Methionin | |
| CH377800A (de) | Verfahren zur Aufarbeitung von Harnstoff-Reaktionsschmelzen | |
| DE1299295B (de) | Verfahren zur Herstellung von Harnstoff | |
| DE1618852C3 (de) | Verfahren zur Herstellung von Harnstoff | |
| DE1768805A1 (de) | Verfahren zur Pyrolyse von Harnstoff | |
| DE2344918A1 (de) | Verbessertes verfahren zur gewinnung von cyanwasserstoff | |
| DE1095818B (de) | Verfahren zur Herstellung von Isophoron | |
| DE1643238C3 (de) | Verfahren zur kontinuierlichen Herstellung von Alkalisalzen der Nitrilotriessigsäure | |
| DE1768600C3 (de) | Verfahren zur Rückführung nicht umgesetzter Ausgangsprodukte bei der Harnstoffsynthese | |
| DE2046198A1 (de) | Verbessertes Verfahren zur konti nuierhchen Herstellung einer Hydroxyl ammoniumsalzlösung in Wasser | |
| AT240377B (de) | Verfahren zur Wiederverwertung von bei der Harnstoffsynthese nicht umgesetztem Ammoniak und Kohlendioxyd | |
| DE1151787B (de) | Verfahren zur Abtrennung und Gewinnung von Blausaeure oder Gemischen von Blausaeure und Nitrilen aus ammoniakhaltigen Gasgemischen | |
| DE2228641A1 (de) | Verfahren und vorrichtung zur kontinuierlichen herstellung von dl-alphahydroxy-ss,ss-dimethyl-gamma-butyrolakton (pantolakton) | |
| AT228796B (de) | Verfahren und Vorrichtung zur Herstellung von Harnstoff aus NH3 und CO2 | |
| DE2362923C3 (de) | Verfahren zur Herstellung von Ammoniumrhodanid | |
| DE1468207B2 (de) | Verfahren zur herstellung von harnstoff |