FR2447367A1 - Procede de recuperation de l'acide cyanhydrique et du methylmercaptan dans les gaz uses de la synthese de la methionine - Google Patents
Procede de recuperation de l'acide cyanhydrique et du methylmercaptan dans les gaz uses de la synthese de la methionineInfo
- Publication number
- FR2447367A1 FR2447367A1 FR8001451A FR8001451A FR2447367A1 FR 2447367 A1 FR2447367 A1 FR 2447367A1 FR 8001451 A FR8001451 A FR 8001451A FR 8001451 A FR8001451 A FR 8001451A FR 2447367 A1 FR2447367 A1 FR 2447367A1
- Authority
- FR
- France
- Prior art keywords
- prepn
- methionine
- evolved
- hydantoin
- methyl mercaptan
- 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.)
- Granted
Links
- LSDPWZHWYPCBBB-UHFFFAOYSA-N Methanethiol Chemical compound SC LSDPWZHWYPCBBB-UHFFFAOYSA-N 0.000 title abstract 6
- FFEARJCKVFRZRR-BYPYZUCNSA-N L-methionine Chemical compound CSCC[C@H](N)C(O)=O FFEARJCKVFRZRR-BYPYZUCNSA-N 0.000 title abstract 3
- 229930182817 methionine Natural products 0.000 title abstract 3
- LELOWRISYMNNSU-UHFFFAOYSA-N hydrogen cyanide Chemical compound N#C LELOWRISYMNNSU-UHFFFAOYSA-N 0.000 title 2
- 238000011084 recovery Methods 0.000 title 1
- WJRBRSLFGCUECM-UHFFFAOYSA-N hydantoin Chemical compound O=C1CNC(=O)N1 WJRBRSLFGCUECM-UHFFFAOYSA-N 0.000 abstract 5
- 229940091173 hydantoin Drugs 0.000 abstract 5
- 238000005406 washing Methods 0.000 abstract 4
- 230000015572 biosynthetic process Effects 0.000 abstract 3
- 238000003786 synthesis reaction Methods 0.000 abstract 3
- 238000000034 method Methods 0.000 abstract 2
- CLUWOWRTHNNBBU-UHFFFAOYSA-N 3-methylthiopropanal Chemical compound CSCCC=O CLUWOWRTHNNBBU-UHFFFAOYSA-N 0.000 abstract 1
- 239000011541 reaction mixture Substances 0.000 abstract 1
- 239000007858 starting material Substances 0.000 abstract 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D1/00—Evaporating
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01C—AMMONIA; CYANOGEN; COMPOUNDS THEREOF
- C01C3/00—Cyanogen; Compounds thereof
- C01C3/02—Preparation, separation or purification of hydrogen cyanide
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01C—AMMONIA; CYANOGEN; COMPOUNDS THEREOF
- C01C3/00—Cyanogen; Compounds thereof
- C01C3/02—Preparation, separation or purification of hydrogen cyanide
- C01C3/04—Separation from gases
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C1/00—Preparation of hydrocarbons from one or more compounds, none of them being a hydrocarbon
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C321/00—Thiols, sulfides, hydropolysulfides or polysulfides
- C07C321/02—Thiols having mercapto groups bound to acyclic carbon atoms
- C07C321/04—Thiols having mercapto groups bound to acyclic carbon atoms of an acyclic saturated carbon skeleton
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Inorganic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP54007852A JPS60344B2 (ja) | 1979-01-25 | 1979-01-25 | メチオニン合成排ガスから有効成分の回収方法 |
| JP994679A JPS60345B2 (ja) | 1979-01-30 | 1979-01-30 | メチオニン合成排ガスから有効成分の回収法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2447367A1 true FR2447367A1 (fr) | 1980-08-22 |
| FR2447367B1 FR2447367B1 (US06559137-20030506-C00071.png) | 1983-01-28 |
Family
ID=26342237
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR8001451A Granted FR2447367A1 (fr) | 1979-01-25 | 1980-01-23 | Procede de recuperation de l'acide cyanhydrique et du methylmercaptan dans les gaz uses de la synthese de la methionine |
Country Status (5)
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115650890A (zh) * | 2022-04-28 | 2023-01-31 | 宁夏紫光天化蛋氨酸有限责任公司 | 2-羟基-4-甲硫基丁腈的生产尾气处理方法 |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2315935A1 (de) * | 1973-03-30 | 1974-10-10 | Quimco Gmbh | Neue imidazolderivate und verfahren zu ihrer herstellung |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3636098A (en) * | 1966-07-02 | 1972-01-18 | Sumitomo Chemical Co | Process for producing methionine |
-
1980
- 1980-01-18 DE DE19803001806 patent/DE3001806A1/de active Granted
- 1980-01-23 IT IT47681/80A patent/IT1143010B/it active
- 1980-01-23 FR FR8001451A patent/FR2447367A1/fr active Granted
- 1980-01-24 MX MX180942A patent/MX154099A/es unknown
- 1980-01-24 BE BE0/199089A patent/BE881325A/fr not_active IP Right Cessation
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2315935A1 (de) * | 1973-03-30 | 1974-10-10 | Quimco Gmbh | Neue imidazolderivate und verfahren zu ihrer herstellung |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115650890A (zh) * | 2022-04-28 | 2023-01-31 | 宁夏紫光天化蛋氨酸有限责任公司 | 2-羟基-4-甲硫基丁腈的生产尾气处理方法 |
Also Published As
| Publication number | Publication date |
|---|---|
| FR2447367B1 (US06559137-20030506-C00071.png) | 1983-01-28 |
| IT1143010B (it) | 1986-10-22 |
| DE3001806C2 (US06559137-20030506-C00071.png) | 1990-05-23 |
| IT8047681A0 (it) | 1980-01-23 |
| BE881325A (fr) | 1980-05-16 |
| MX154099A (es) | 1987-05-08 |
| DE3001806A1 (de) | 1980-07-31 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |