BE881325A - 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 methionine

Info

Publication number
BE881325A
BE881325A BE0/199089A BE199089A BE881325A BE 881325 A BE881325 A BE 881325A BE 0/199089 A BE0/199089 A BE 0/199089A BE 199089 A BE199089 A BE 199089A BE 881325 A BE881325 A BE 881325A
Authority
BE
Belgium
Prior art keywords
methylmercaptan
recovering
waste gases
methionine synthesis
cyanhydric acid
Prior art date
Application number
BE0/199089A
Other languages
English (en)
French (fr)
Original Assignee
Sumitomo Chemical Co
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Priority claimed from JP54007852A external-priority patent/JPS60344B2/ja
Priority claimed from JP994679A external-priority patent/JPS60345B2/ja
Application filed by Sumitomo Chemical Co filed Critical Sumitomo Chemical Co
Publication of BE881325A publication Critical patent/BE881325A/fr

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D1/00Evaporating
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01CAMMONIA; CYANOGEN; COMPOUNDS THEREOF
    • C01C3/00Cyanogen; Compounds thereof
    • C01C3/02Preparation, separation or purification of hydrogen cyanide
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01CAMMONIA; CYANOGEN; COMPOUNDS THEREOF
    • C01C3/00Cyanogen; Compounds thereof
    • C01C3/02Preparation, separation or purification of hydrogen cyanide
    • C01C3/04Separation from gases
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C1/00Preparation of hydrocarbons from one or more compounds, none of them being a hydrocarbon
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C319/00Preparation of thiols, sulfides, hydropolysulfides or polysulfides
    • C07C319/26Separation; Purification; Stabilisation; Use of additives
    • C07C319/28Separation; Purification
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C321/00Thiols, sulfides, hydropolysulfides or polysulfides
    • C07C321/02Thiols having mercapto groups bound to acyclic carbon atoms
    • C07C321/04Thiols having mercapto groups bound to acyclic carbon atoms of an acyclic saturated carbon skeleton
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C323/00Thiols, sulfides, hydropolysulfides or polysulfides substituted by halogen, oxygen or nitrogen atoms, or by sulfur atoms not being part of thio groups
    • C07C323/50Thiols, 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
    • C07C323/51Thiols, 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
    • C07C323/57Thiols, 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
    • C07C323/58Thiols, 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)
BE0/199089A 1979-01-25 1980-01-24 Procede de recuperation de l'acide cyanhydrique et du methylmercaptan dans les gaz uses de la synthese de la methionine BE881325A (fr)

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 (1)

Publication Number Publication Date
BE881325A true BE881325A (fr) 1980-05-16

Family

ID=26342237

Family Applications (1)

Application Number Title Priority Date Filing Date
BE0/199089A BE881325A (fr) 1979-01-25 1980-01-24 Procede de recuperation de l'acide cyanhydrique et du methylmercaptan dans les gaz uses de la synthese de la methionine

Country Status (5)

Country Link
BE (1) BE881325A (US20050065096A1-20050324-C00034.png)
DE (1) DE3001806A1 (US20050065096A1-20050324-C00034.png)
FR (1) FR2447367A1 (US20050065096A1-20050324-C00034.png)
IT (1) IT1143010B (US20050065096A1-20050324-C00034.png)
MX (1) MX154099A (US20050065096A1-20050324-C00034.png)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
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

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3636098A (en) * 1966-07-02 1972-01-18 Sumitomo Chemical Co Process for producing methionine
DE2315935A1 (de) * 1973-03-30 1974-10-10 Quimco Gmbh Neue imidazolderivate und verfahren zu ihrer herstellung

Also Published As

Publication number Publication date
IT1143010B (it) 1986-10-22
FR2447367B1 (US20050065096A1-20050324-C00034.png) 1983-01-28
IT8047681A0 (it) 1980-01-23
DE3001806C2 (US20050065096A1-20050324-C00034.png) 1990-05-23
DE3001806A1 (de) 1980-07-31
FR2447367A1 (fr) 1980-08-22
MX154099A (es) 1987-05-08

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Legal Events

Date Code Title Description
RE Patent lapsed

Owner name: SUMITOMO CHEMICAL CY LTD

Effective date: 19960131