JP5183027B2 - ジニトロトルエンの製造方法 - Google Patents
ジニトロトルエンの製造方法 Download PDFInfo
- Publication number
- JP5183027B2 JP5183027B2 JP2006030180A JP2006030180A JP5183027B2 JP 5183027 B2 JP5183027 B2 JP 5183027B2 JP 2006030180 A JP2006030180 A JP 2006030180A JP 2006030180 A JP2006030180 A JP 2006030180A JP 5183027 B2 JP5183027 B2 JP 5183027B2
- Authority
- JP
- Japan
- Prior art keywords
- mixture
- aromatic organic
- organic compound
- nitric acid
- sulfuric acid
- 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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Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C201/00—Preparation of esters of nitric or nitrous acid or of compounds containing nitro or nitroso groups bound to a carbon skeleton
- C07C201/06—Preparation of nitro compounds
- C07C201/08—Preparation of nitro compounds by substitution of hydrogen atoms by nitro groups
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C205/00—Compounds containing nitro groups bound to a carbon skeleton
- C07C205/06—Compounds containing nitro groups bound to a carbon skeleton having nitro groups bound to carbon atoms of six-membered aromatic rings
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Description
Claims (2)
- 芳香族性有機化合物の等温ニトロ化のための方法において、
(A)芳香族性有機化合物(1)と硫酸(a)及び硝酸(b)の混合物(2)とを、円筒形の管形反応器とその円筒形の管形反応器を取り囲む環状間隔とを有する混合ノズルを介して接触させ、その際、前記の芳香族性有機化合物(1)は管形反応器中を流過し、かつ硫酸(a)及び硝酸(b)の前記混合物(2)は環状間隔中を流過し、かつ前記の芳香族性有機化合物(1)及び前記混合物(2)が、管形反応器と環状間隔から出て一緒に混合され、その際、管形反応器中の芳香族性有機化合物(1)の平均流速と、環状間隔中の硫酸(a)及び硝酸(b)の混合物(2)の平均流速との比が0.5:1〜10:1であり、かつ
(B)前記の芳香族性有機化合物(1)と、硫酸(a)及び硝酸(b)の前記混合物(2)との混合物を反応させ、それによりニトロ化された芳香族性有機化合物を形成させることを含む方法。 - 前記の芳香族性有機化合物が、トルエンおよびモノニトロトルエンから選択される請求項1記載の方法。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US11/054012 | 2005-02-09 | ||
US11/054,012 US7041858B1 (en) | 2005-02-09 | 2005-02-09 | Process for the production of dinitrotoluene |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2006219489A JP2006219489A (ja) | 2006-08-24 |
JP5183027B2 true JP5183027B2 (ja) | 2013-04-17 |
Family
ID=36272255
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2006030180A Expired - Fee Related JP5183027B2 (ja) | 2005-02-09 | 2006-02-07 | ジニトロトルエンの製造方法 |
Country Status (10)
Country | Link |
---|---|
US (1) | US7041858B1 (ja) |
EP (1) | EP1690850B1 (ja) |
JP (1) | JP5183027B2 (ja) |
KR (1) | KR101277350B1 (ja) |
CN (1) | CN1821211B (ja) |
AT (1) | ATE406344T1 (ja) |
DE (1) | DE602006002403D1 (ja) |
PL (1) | PL1690850T3 (ja) |
RU (1) | RU2418783C2 (ja) |
TW (1) | TW200640832A (ja) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102006022447A1 (de) * | 2006-05-13 | 2007-11-15 | Bayer Materialscience Ag | Verfahren zur gekoppelten Herstellung von Chlor und Isocyanaten |
DE102006033722A1 (de) * | 2006-07-21 | 2008-01-24 | Bayer Materialscience Ag | Verfahren zur Herstellung von Dinitrotoluol |
JP5175235B2 (ja) * | 2009-03-31 | 2013-04-03 | 三井化学株式会社 | ジニトロトルエンの製造方法および製造装置 |
CN101612535B (zh) * | 2009-08-04 | 2013-05-01 | 上海巴斯夫聚氨酯有限公司 | 混合罐设有喷射式混合器的二硝基甲苯生产装置 |
US8431754B2 (en) * | 2009-10-20 | 2013-04-30 | Dow Global Technologies Llc | Process for nitroalkane recovery by aqueous phase recycle to nitration reactor |
WO2016079138A1 (de) * | 2014-11-20 | 2016-05-26 | Covestro Deutschland Ag | Verfahren zur kontinuierlichen herstellung eines produkts über zumindest zwei miteinander gekoppelte chemische reaktionen |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4973770A (en) | 1988-12-15 | 1990-11-27 | C-I-L, Inc. | Manufacture of organic nitro compounds |
DE4428462A1 (de) * | 1994-08-11 | 1996-02-15 | Bayer Ag | Verfahren zur Herstellung von Dinitrotoluol |
DE4437047A1 (de) * | 1994-10-17 | 1996-04-18 | Bayer Ag | Verfahren zur Dinitrierung von aromatischen Verbindungen |
DE19539205A1 (de) | 1995-10-22 | 1997-04-24 | Meissner Gmbh & Co Kg Josef | Verfahren zur Aromatennitrierung |
US5902910A (en) | 1997-09-19 | 1999-05-11 | Air Products And Chemicals, Inc. | Weak acid process for producing dinitrotoluene |
-
2005
- 2005-02-09 US US11/054,012 patent/US7041858B1/en active Active
-
2006
- 2006-01-27 AT AT06001684T patent/ATE406344T1/de not_active IP Right Cessation
- 2006-01-27 DE DE602006002403T patent/DE602006002403D1/de active Active
- 2006-01-27 PL PL06001684T patent/PL1690850T3/pl unknown
- 2006-01-27 EP EP06001684A patent/EP1690850B1/en not_active Revoked
- 2006-02-07 JP JP2006030180A patent/JP5183027B2/ja not_active Expired - Fee Related
- 2006-02-08 CN CN2006100037406A patent/CN1821211B/zh not_active Expired - Fee Related
- 2006-02-08 KR KR1020060011959A patent/KR101277350B1/ko active IP Right Grant
- 2006-02-08 TW TW095104131A patent/TW200640832A/zh unknown
- 2006-02-08 RU RU2006103565/04A patent/RU2418783C2/ru not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
EP1690850A1 (en) | 2006-08-16 |
EP1690850B1 (en) | 2008-08-27 |
CN1821211B (zh) | 2010-12-29 |
CN1821211A (zh) | 2006-08-23 |
US7041858B1 (en) | 2006-05-09 |
TW200640832A (en) | 2006-12-01 |
JP2006219489A (ja) | 2006-08-24 |
DE602006002403D1 (de) | 2008-10-09 |
RU2418783C2 (ru) | 2011-05-20 |
ATE406344T1 (de) | 2008-09-15 |
RU2006103565A (ru) | 2007-08-20 |
KR20060090609A (ko) | 2006-08-14 |
KR101277350B1 (ko) | 2013-06-20 |
PL1690850T3 (pl) | 2009-02-27 |
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