JP4886520B2 - メチルメルカプタンを反応ガス混合物から分離する方法 - Google Patents
メチルメルカプタンを反応ガス混合物から分離する方法 Download PDFInfo
- Publication number
- JP4886520B2 JP4886520B2 JP2006544258A JP2006544258A JP4886520B2 JP 4886520 B2 JP4886520 B2 JP 4886520B2 JP 2006544258 A JP2006544258 A JP 2006544258A JP 2006544258 A JP2006544258 A JP 2006544258A JP 4886520 B2 JP4886520 B2 JP 4886520B2
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- JP
- Japan
- Prior art keywords
- methyl mercaptan
- reaction mixture
- mmp
- methanol
- separating
- 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.)
- Expired - Fee Related
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-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C319/00—Preparation of thiols, sulfides, hydropolysulfides or polysulfides
- C07C319/02—Preparation of thiols, sulfides, hydropolysulfides or polysulfides of thiols
- C07C319/08—Preparation of thiols, sulfides, hydropolysulfides or polysulfides of thiols by replacement of hydroxy groups or etherified or esterified hydroxy groups
-
- 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
- C07C319/18—Preparation of thiols, sulfides, hydropolysulfides or polysulfides of sulfides by addition of thiols to unsaturated compounds
-
- 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
- C07C323/22—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 doubly-bound oxygen atoms bound to the same carbon skeleton
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Description
1.1変換されていないH2Sおよびメタノールの成分ならびに反応混合物中で得られた水を分離し、
1.2その後に、得られた粗製メチルメルカプタンを3−メチルメルカプトプロピオンアルデヒド(MMP)およびアクロレインで変換するかまたは単にアクロレインで触媒の存在下にMMPに変換し、
1.3反応混合物中になお存在するメチルメルカプタン合成からの成分をMMPから蒸留工程で分離することを特徴とする、メチルメルカプタンをメタノールでのH2Sの接触変換で形成される反応混合物から分離する方法である。
本発明は、次のようにフローチャート(図1)によって記載される。
Claims (5)
- メチルメルカプタンを触媒存在下でのH2Sとメタノールとの反応により形成される反応混合物から分離する方法において、
1.1 変換されていないH2Sおよびメタノール、ならびに反応混合物中で得られた水を前記反応混合物から分離し、
1.2 その後に、得られた粗製メチルメルカプタンを3−メチルメルカプトプロピオンアルデヒド(MMP)およびアクロレインで変換するかまたは単にアクロレインで触媒の存在下にMMPに変換し、
1.3 反応混合物中になお存在するメチルメルカプタン合成からの成分をMMPから蒸留工程で分離することを特徴とする、メチルメルカプタンを反応混合物から分離する方法。 - 反応混合物中になお存在するメチルメルカプタン合成からの成分を不活性の共沸剤によりストリッピングする、請求項1記載の方法。
- 窒素、二酸化炭素または蒸気を不活性の共沸剤として使用する、請求項2記載の方法。
- 反応混合物中になお存在するメチルメルカプタン合成からの成分を14.5〜72.5psi(1〜5バール)の圧力で90〜135℃の温度範囲内で分離する、請求項1から3までのいずれか1項に記載の方法。
- 20段未満の棚段を有する蒸留塔を使用する、請求項1から4までのいずれか1項に記載の方法。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10359636.4 | 2003-12-18 | ||
DE10359636A DE10359636A1 (de) | 2003-12-18 | 2003-12-18 | Verfahren zur Abtrennung von Methylmercaptan aus Reaktionsgemischen |
PCT/EP2004/013565 WO2005058809A1 (en) | 2003-12-18 | 2004-11-30 | Method for the separation of methyl mercaptan from reaction gas mixtures |
Publications (3)
Publication Number | Publication Date |
---|---|
JP2007515416A JP2007515416A (ja) | 2007-06-14 |
JP2007515416A5 JP2007515416A5 (ja) | 2011-08-25 |
JP4886520B2 true JP4886520B2 (ja) | 2012-02-29 |
Family
ID=34672899
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2006544258A Expired - Fee Related JP4886520B2 (ja) | 2003-12-18 | 2004-11-30 | メチルメルカプタンを反応ガス混合物から分離する方法 |
Country Status (10)
Country | Link |
---|---|
US (1) | US7199270B2 (ja) |
EP (1) | EP1694639B1 (ja) |
JP (1) | JP4886520B2 (ja) |
KR (1) | KR101139206B1 (ja) |
CN (1) | CN100516036C (ja) |
BR (1) | BRPI0417700A (ja) |
DE (1) | DE10359636A1 (ja) |
ES (1) | ES2693607T3 (ja) |
RU (1) | RU2361859C2 (ja) |
WO (1) | WO2005058809A1 (ja) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2011093839A (ja) * | 2009-10-29 | 2011-05-12 | Sumitomo Chemical Co Ltd | 3−メチルチオプロパナールの製造方法 |
DE102010064250A1 (de) * | 2010-12-28 | 2012-06-28 | Evonik Degussa Gmbh | Verfahren zur Herstellung von Methylmercaptopropionaldehyd |
SG192565A1 (en) | 2011-02-23 | 2013-09-30 | Evonik Degussa Gmbh | Method for producing 2-hydroxy-4-(methylthio)butanenitrile from 3-(methylthio)propanal and hydrogen cyanide |
DE102011081828A1 (de) | 2011-08-30 | 2013-02-28 | Evonik Degussa Gmbh | Verfahren zur Umsetzung von Methylmercaptopropionaldehyd aus Roh-Acrolein und Roh-Methylmercaptan |
SG2014012819A (en) | 2011-08-30 | 2014-06-27 | Evonik Degussa Gmbh | Method for producing a methionine salt |
CN105080174B (zh) * | 2015-08-25 | 2017-03-22 | 成都德美工程技术有限公司 | 二甲亚砜生产尾气的处理方法及装置 |
CN114181125A (zh) * | 2021-12-10 | 2022-03-15 | 宁夏紫光天化蛋氨酸有限责任公司 | 甲硫醇的分离方法 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2626282A (en) * | 1949-10-05 | 1953-01-20 | Standard Oil Dev Co | Vapor phase production of betamethylmercaptopropionaldehyde |
GB1166961A (en) * | 1966-04-30 | 1969-10-15 | Sumitomo Chemical Co | Process for Producing beta-Methylmercaptopropionaldehyde |
JPS58159456A (ja) * | 1982-03-17 | 1983-09-21 | Seitetsu Kagaku Co Ltd | メチルメルカプタンの製造方法 |
JPH10195041A (ja) * | 1996-12-27 | 1998-07-28 | Degussa Ag | メチルメルカプタンの触媒合成の生成物気体混合物の分離法 |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL6705792A (ja) | 1966-04-25 | 1967-10-26 | ||
FR1520328A (fr) | 1966-04-25 | 1968-04-05 | Sumitomo Chemical Co | Procédé de fabrication du beta-méthylmercaptopropionaldéhyde en deux étapes |
NL132124C (ja) * | 1966-09-02 | |||
DE1768826B1 (de) | 1968-07-04 | 1971-08-26 | Degussa | Verfahren zur Gewinnung von niederen aliphatischen Mercaptanen |
DE2320544C2 (de) | 1973-04-21 | 1975-06-05 | Deutsche Gold- Und Silber-Scheideanstalt Vormals Roessler, 6000 Frankfurt | Verfahren zur Herstellung von 3-Methylmercaptopropionaldehyd |
US5905171A (en) * | 1995-06-22 | 1999-05-18 | Novus International, Inc. | Process for the preparation of 3-(methylthio)propanal |
DE19654515C1 (de) | 1996-12-27 | 1998-10-01 | Degussa | Verfahren zur kontinuierlichen Herstellung von Methylmercaptan |
-
2003
- 2003-12-18 DE DE10359636A patent/DE10359636A1/de not_active Withdrawn
-
2004
- 2004-11-30 ES ES04803357.5T patent/ES2693607T3/es active Active
- 2004-11-30 RU RU2006125513/04A patent/RU2361859C2/ru active
- 2004-11-30 JP JP2006544258A patent/JP4886520B2/ja not_active Expired - Fee Related
- 2004-11-30 CN CNB2004800373143A patent/CN100516036C/zh not_active Expired - Fee Related
- 2004-11-30 KR KR1020067012050A patent/KR101139206B1/ko active IP Right Grant
- 2004-11-30 BR BRPI0417700-2A patent/BRPI0417700A/pt not_active IP Right Cessation
- 2004-11-30 EP EP04803357.5A patent/EP1694639B1/en not_active Not-in-force
- 2004-11-30 WO PCT/EP2004/013565 patent/WO2005058809A1/en active Application Filing
- 2004-12-17 US US11/016,130 patent/US7199270B2/en active Active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2626282A (en) * | 1949-10-05 | 1953-01-20 | Standard Oil Dev Co | Vapor phase production of betamethylmercaptopropionaldehyde |
GB1166961A (en) * | 1966-04-30 | 1969-10-15 | Sumitomo Chemical Co | Process for Producing beta-Methylmercaptopropionaldehyde |
JPS58159456A (ja) * | 1982-03-17 | 1983-09-21 | Seitetsu Kagaku Co Ltd | メチルメルカプタンの製造方法 |
JPH10195041A (ja) * | 1996-12-27 | 1998-07-28 | Degussa Ag | メチルメルカプタンの触媒合成の生成物気体混合物の分離法 |
Also Published As
Publication number | Publication date |
---|---|
WO2005058809A1 (en) | 2005-06-30 |
US7199270B2 (en) | 2007-04-03 |
CN1894207A (zh) | 2007-01-10 |
ES2693607T3 (es) | 2018-12-12 |
EP1694639A1 (en) | 2006-08-30 |
KR101139206B1 (ko) | 2012-04-26 |
BRPI0417700A (pt) | 2007-03-20 |
EP1694639B1 (en) | 2018-08-22 |
US20050137426A1 (en) | 2005-06-23 |
RU2361859C2 (ru) | 2009-07-20 |
JP2007515416A (ja) | 2007-06-14 |
CN100516036C (zh) | 2009-07-22 |
KR20060125809A (ko) | 2006-12-06 |
RU2006125513A (ru) | 2008-01-27 |
DE10359636A1 (de) | 2005-07-28 |
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