CN101712620B - 制备硝基苯的连续方法 - Google Patents
制备硝基苯的连续方法 Download PDFInfo
- Publication number
- CN101712620B CN101712620B CN2009101787475A CN200910178747A CN101712620B CN 101712620 B CN101712620 B CN 101712620B CN 2009101787475 A CN2009101787475 A CN 2009101787475A CN 200910178747 A CN200910178747 A CN 200910178747A CN 101712620 B CN101712620 B CN 101712620B
- Authority
- CN
- China
- Prior art keywords
- acid
- reaction
- benzene
- volume
- nitric 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.)
- Active
Links
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
Abstract
Description
对比例1 | 对比例2 | 本发明实施例3 | 本发明实施例4 | |
硝基苯的时空产率(吨/米3小时) | 5.1 | 5.1 | 5.1 | 5.7 |
开始区中的总分散次数 | 4 | 5 | 5 | 5 |
硝化酸中硫酸的浓度(重量%) | 67.20 | 67.05 | 67.10 | 67.00 |
硝化酸中硝酸的浓度(重量%) | 3.1 | 3.2 | 3.2 | 3.5 |
开始温度(℃) | 101.4 | 100.0 | 101.4 | 100.2 |
开始区下游的温度(℃) | 116.6 | 118.3 | 120.6 | 122.0 |
反应结束温度(℃) | 132.3 | 131.9 | 132.3 | 135.3 |
开始区下游的硝酸转化率(%) | 49.2 | 58.5 | 62.1 | 62.1 |
结束区下游的硝酸转化率(%) | 99.25 | 99.07 | 99.38 | 99.35 |
废气温度(℃) | 66.8 | 46.8 | 46.5 | 65.5 |
总硝基苯浓度(ppm) | 2086 | 2100 | 2079 | 2127 |
苦味酸(ppm) | 288 | 354 | 239 | 306 |
二硝基苯(ppm) | 153 | 182 | 201 | 224 |
备注 | 接近限值的废气温度 | 低硝酸转化率 | 无问题 | 无问题 |
Claims (5)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102008048713A DE102008048713A1 (de) | 2008-09-24 | 2008-09-24 | Verfahren zur kontinuierlichen Herstellung von Nitrobenzol |
DE102008048713.9 | 2008-09-24 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN101712620A CN101712620A (zh) | 2010-05-26 |
CN101712620B true CN101712620B (zh) | 2013-12-04 |
Family
ID=41351646
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN2009101787475A Active CN101712620B (zh) | 2008-09-24 | 2009-09-23 | 制备硝基苯的连续方法 |
Country Status (7)
Country | Link |
---|---|
US (1) | US7763759B2 (zh) |
EP (1) | EP2168942B1 (zh) |
JP (1) | JP5409228B2 (zh) |
KR (1) | KR101631713B1 (zh) |
CN (1) | CN101712620B (zh) |
DE (1) | DE102008048713A1 (zh) |
PT (1) | PT2168942E (zh) |
Families Citing this family (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5602143B2 (ja) * | 2008-11-14 | 2014-10-08 | ノラム インターナショナル リミテッド | モノニトロベンゼンの生産における副産物ジニトロベンゼンの生成を低減する方法 |
DE102010038519A1 (de) | 2010-07-28 | 2012-02-02 | Bayer Materialscience Ag | Verfahren zur Herstellung von Nitrobenzol durch adiabate Nitrierung |
KR20130041145A (ko) | 2010-07-30 | 2013-04-24 | 바이엘 인텔렉쳐 프로퍼티 게엠베하 | 니트로벤젠의 연속 제조 방법 |
DE102011081898A1 (de) | 2011-08-31 | 2013-02-28 | Bayer Materialscience Aktiengesellschaft | Verfahren zur kontinuierlichen Herstellung von Nitrobenzol |
KR102066764B1 (ko) | 2012-07-27 | 2020-01-15 | 코베스트로 도이칠란드 아게 | 단열 니트로화에 의한 니트로벤젠의 제조방법 |
PT2877443T (pt) | 2012-07-27 | 2016-07-27 | Covestro Deutschland Ag | Processo para a produção de nitrobenzeno através de nitração adiabática |
WO2014016292A1 (de) | 2012-07-27 | 2014-01-30 | Bayer Materialscience Ag | Verfahren zur herstellung von nitrobenzol durch adiabate nitrierung |
US9227909B2 (en) | 2012-10-10 | 2016-01-05 | Covestro Deutschland Ag | Method for the continuous production of nitrobenzene |
US9771291B2 (en) | 2013-04-18 | 2017-09-26 | Covestro Deutschland Ag | Process for working up waste water from nitrobenzene preparation |
US9771290B2 (en) | 2013-04-18 | 2017-09-26 | Covestro Deutschland Ag | Process for working up waste water from nitrobenzene preparation |
CN105308018B (zh) | 2013-04-29 | 2017-10-03 | 科思创德国股份公司 | 通过绝热的硝化作用制备硝基苯的方法 |
DE102017110084B4 (de) | 2017-02-03 | 2019-07-04 | Josef Meissner Gmbh & Co. Kg | Verfahren und Anlage zur adiabatischen Nitrierung von Aromaten |
KR102597388B1 (ko) | 2017-03-07 | 2023-11-03 | 코베스트로 도이칠란트 아게 | 니트로벤젠의 제조 방법 |
CN107417536A (zh) * | 2017-04-10 | 2017-12-01 | 浙江工业大学 | 一种邻二氯苯连续化单硝化反应的方法及专用装置 |
WO2020011817A1 (de) | 2018-07-12 | 2020-01-16 | Covestro Deutschland Ag | Verfahren zur herstellung von nitrobenzol durch adiabatisch betriebene nitrierung von benzol |
EP3826763B1 (en) | 2018-07-24 | 2023-09-13 | Noram Engineering and Constructors Ltd. | Nitration reactor and method |
US20220162151A1 (en) | 2019-04-17 | 2022-05-26 | Covestro Deutschland Ag | Process and device for producing nitrobenzene |
US20220169592A1 (en) * | 2019-04-17 | 2022-06-02 | Covestro Deutschland Ag | Process for the continuous production of nitrobenzene |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0373966A2 (en) * | 1988-12-15 | 1990-06-20 | Chemetics International Company Ltd. | Manufacture of organic nitro compounds |
EP0436443A2 (en) * | 1990-01-04 | 1991-07-10 | Nrm International Technologies C.V. | Nitration process |
CN1125723A (zh) * | 1994-10-17 | 1996-07-03 | 拜尔公司 | 芳香族化合物的多硝化方法 |
US5763697A (en) * | 1995-10-22 | 1998-06-09 | Josef Meissner Gmbh & Co. | Process for the nitration of aromatic compounds |
CN1277601A (zh) * | 1997-11-03 | 2000-12-20 | 拜尔公司 | 制备芳香硝基化合物的方法 |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2256999A (en) | 1939-03-08 | 1941-09-23 | Du Pont | Nitration of organic compounds |
US4021498A (en) * | 1975-12-09 | 1977-05-03 | American Cyanamid Company | Adiabatic process for nitration of nitratable aromatic compounds |
US4091042A (en) * | 1977-08-19 | 1978-05-23 | American Cyanamid Company | Continuous adiabatic process for the mononitration of benzene |
US4994242A (en) | 1988-08-15 | 1991-02-19 | Noram Engineering And Constructors Ltd. | Jet impingement reactor |
US5313009A (en) * | 1990-01-04 | 1994-05-17 | Nrm International Technologies C.V. | Nitration process |
DE4410417A1 (de) * | 1994-02-14 | 1995-08-17 | Bayer Ag | Verfahren zur adiabatischen Herstellung von Mononitrotoluolen |
JP3244636B2 (ja) * | 1995-12-15 | 2002-01-07 | 三井化学株式会社 | 芳香族モノニトロ化合物の製造方法 |
US5763687A (en) * | 1995-12-15 | 1998-06-09 | Mitsui Chemicals, Inc. | Preparation process for aromatic mononitro compounds |
PT1272268E (pt) | 2000-03-02 | 2012-07-24 | Dow Global Technologies Llc | Reator tubular, processo de realização de reações multifásicas líquido/ líquido num reator tubular, e um processo de nitração cíclica de compostos aromáticos num reator tubular |
DE10108979C1 (de) * | 2001-02-23 | 2002-05-08 | Bayer Ag | Kontinuierliches adiabatisches Verfahren zur Herstellung von Nitrochlorbenzol |
EP1291078A3 (de) | 2001-09-10 | 2004-01-28 | Bayer Ag | Rohrreaktor zur adiabatischen Nitrierung |
DE102006004943A1 (de) | 2006-02-03 | 2007-08-09 | Bayer Materialscience Ag | Verfahren zur Herstellung von Nitrobenzol |
US7696391B2 (en) * | 2007-06-27 | 2010-04-13 | H R D Corporation | System and process for production of nitrobenzene |
-
2008
- 2008-09-24 DE DE102008048713A patent/DE102008048713A1/de not_active Withdrawn
-
2009
- 2009-09-11 EP EP09011636A patent/EP2168942B1/de not_active Revoked
- 2009-09-11 PT PT09011636T patent/PT2168942E/pt unknown
- 2009-09-17 JP JP2009215596A patent/JP5409228B2/ja active Active
- 2009-09-21 US US12/563,300 patent/US7763759B2/en active Active
- 2009-09-23 CN CN2009101787475A patent/CN101712620B/zh active Active
- 2009-09-23 KR KR1020090089880A patent/KR101631713B1/ko active IP Right Grant
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0373966A2 (en) * | 1988-12-15 | 1990-06-20 | Chemetics International Company Ltd. | Manufacture of organic nitro compounds |
EP0436443A2 (en) * | 1990-01-04 | 1991-07-10 | Nrm International Technologies C.V. | Nitration process |
CN1125723A (zh) * | 1994-10-17 | 1996-07-03 | 拜尔公司 | 芳香族化合物的多硝化方法 |
US5763697A (en) * | 1995-10-22 | 1998-06-09 | Josef Meissner Gmbh & Co. | Process for the nitration of aromatic compounds |
CN1277601A (zh) * | 1997-11-03 | 2000-12-20 | 拜尔公司 | 制备芳香硝基化合物的方法 |
Also Published As
Publication number | Publication date |
---|---|
PT2168942E (pt) | 2012-08-30 |
JP2010077126A (ja) | 2010-04-08 |
US7763759B2 (en) | 2010-07-27 |
KR101631713B1 (ko) | 2016-06-17 |
KR20100034711A (ko) | 2010-04-01 |
US20100076230A1 (en) | 2010-03-25 |
DE102008048713A1 (de) | 2010-03-25 |
CN101712620A (zh) | 2010-05-26 |
JP5409228B2 (ja) | 2014-02-05 |
EP2168942B1 (de) | 2012-07-04 |
EP2168942A1 (de) | 2010-03-31 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN101712620B (zh) | 制备硝基苯的连续方法 | |
US5808157A (en) | Process for producing aromatic amines | |
KR100374757B1 (ko) | 방향족화합물의폴리니트로화법 | |
CN102574770B (zh) | 用于制造硝化烃的方法 | |
CN102007093B (zh) | 用于制备硝基丙烷的方法 | |
CN101300218B (zh) | 以稳定地方式操作由丙烷连续制备丙烯醛或丙烯酸或其混合物的方法的方法 | |
CN102666470B (zh) | 使用分隔壁塔用于下游回收硝基烷烃的方法 | |
CN102574768B (zh) | 用于通过将水相再循环至硝化反应器以回收硝基烷烃的方法 | |
KR102014219B1 (ko) | 모노니트로톨루엔의 단열 제조 공정 | |
CN102574769B (zh) | 用于烃硝化的等温反应器 | |
SA109300660B1 (ar) | عملية أديباتيكية لتصنيع مونو نيتروبنزين | |
JP4257891B2 (ja) | ニトロクロロベンゼンを製造するための連続的な断熱的方法 | |
CN109320423B (zh) | 一种微通道反应器合成硝基化合物的方法 | |
CN103333126B (zh) | 一种2,6-二甲氧基吡嗪的硝化反应的方法 | |
CN105121401B (zh) | 在微结构反应器中制备硝基链烷烃的方法 | |
JP7186792B2 (ja) | N-アルキル-ニトラトエチルニトラミンの製造方法 | |
CN104487414A (zh) | 通过绝热硝化制备硝基苯的方法 | |
KR20110086153A (ko) | 모노니트로벤젠의 생산에서 디니트로벤젠 부산물의 형성을 감소시키는 방법 | |
JP6446436B2 (ja) | イオン液体の合成の方法 | |
CN107382788A (zh) | 一种1,2‑二硝基胍的制备方法 | |
Wang et al. | Kinetic and Technological Analysis of Dimethyl Toluene‐2, 4‐Dicarbamate Synthesis | |
CN103328432A (zh) | 利用硝基烷作为共沸剂从酸的水溶液中共沸除去水的设备和方法 | |
CN103827076B (zh) | 通过共沸蒸馏赋予硝化选择性灵活性的设备和方法 | |
CN114920685A (zh) | N-烃基-4-硝基邻苯二甲酰亚胺的连续合成方法 | |
CN116947582A (zh) | 一种氟化工艺制备硝基化合物的方法 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C53 | Correction of patent of invention or patent application | ||
CB02 | Change of applicant information |
Address after: Germany Leverkusen Applicant after: BAYER MATERIALSCIENCE AG Address before: Germany Leverkusen Applicant before: BAYER MATERIALSCIENCE AG |
|
COR | Change of bibliographic data |
Free format text: CORRECT: APPLICANT; FROM: BAYER AG TO: CARCOUSTICS TECHCONSULT GMBH |
|
EE01 | Entry into force of recordation of patent licensing contract |
Application publication date: 20100526 Assignee: Bayer Intellectual Property GmbH Assignor: BAYER MATERIALSCIENCE AG Contract record no.: 2012990000854 Denomination of invention: Continuous process for the manufacture of nitrobenzene License type: Common License Record date: 20121128 |
|
LICC | Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
C41 | Transfer of patent application or patent right or utility model | ||
TR01 | Transfer of patent right |
Effective date of registration: 20160620 Address after: Germany Leverkusen Patentee after: COVESTRO DEUTSCHLAND AG Address before: German Monheim Patentee before: BAYER INTELLECTUAL PROPERTY GmbH Effective date of registration: 20160620 Address after: German Monheim Patentee after: BAYER INTELLECTUAL PROPERTY GmbH Address before: Germany Leverkusen Patentee before: BAYER MATERIALSCIENCE AG |