CN107106961B - 用于连续生产二硝基甲苯的方法中的废气净化 - Google Patents
用于连续生产二硝基甲苯的方法中的废气净化 Download PDFInfo
- Publication number
- CN107106961B CN107106961B CN201580053881.6A CN201580053881A CN107106961B CN 107106961 B CN107106961 B CN 107106961B CN 201580053881 A CN201580053881 A CN 201580053881A CN 107106961 B CN107106961 B CN 107106961B
- Authority
- CN
- China
- Prior art keywords
- toluene
- offgas
- condenser
- dinitrotoluene
- stream
- 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
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/002—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by condensation
-
- 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
- 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
- C07C201/16—Separation; Purification; Stabilisation; Use of additives
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2257/00—Components to be removed
- B01D2257/70—Organic compounds not provided for in groups B01D2257/00 - B01D2257/602
- B01D2257/702—Hydrocarbons
- B01D2257/7027—Aromatic hydrocarbons
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Treating Waste Gases (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP14187532 | 2014-10-02 | ||
| EP14187532.8 | 2014-10-02 | ||
| PCT/EP2015/072397 WO2016050759A1 (de) | 2014-10-02 | 2015-09-29 | Abgasreinigung in einem verfahren zur kontinuierlichen herstellung von dinitrotoluol |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107106961A CN107106961A (zh) | 2017-08-29 |
| CN107106961B true CN107106961B (zh) | 2020-08-07 |
Family
ID=51663034
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201580053881.6A Expired - Fee Related CN107106961B (zh) | 2014-10-02 | 2015-09-29 | 用于连续生产二硝基甲苯的方法中的废气净化 |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US9896407B2 (enExample) |
| EP (1) | EP3201169B1 (enExample) |
| JP (1) | JP6736547B2 (enExample) |
| KR (1) | KR20170063644A (enExample) |
| CN (1) | CN107106961B (enExample) |
| HU (1) | HUE050513T2 (enExample) |
| WO (1) | WO2016050759A1 (enExample) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107986249B (zh) * | 2017-10-31 | 2020-08-04 | 湖北东方化工有限公司 | 硝基甲苯废酸脱硝后稀硝酸去除硝基甲苯的方法 |
| CN109438246A (zh) * | 2018-09-27 | 2019-03-08 | 青岛海湾精细化工有限公司 | 一种蒽醌的处理方法及处理系统 |
| DE102018217955B4 (de) * | 2018-10-19 | 2020-06-04 | Plinke Gmbh | Verfahren zur Aufarbeitung von Mischsäure und Abwasser aus der Nitrierung von Aromaten sowie Vorrichtung zur Durchführung des Verfahrens |
| CN110170185B (zh) * | 2019-05-30 | 2023-07-25 | 湖北东方化工有限公司 | 一种废硫酸硝基化合物分离的装置及方法 |
| CN111408248B (zh) * | 2020-04-28 | 2022-06-21 | 山东济新环境工程有限公司 | 一种烷基烯酮二聚体生产中的废气处理工艺 |
| CN111603869A (zh) * | 2020-06-04 | 2020-09-01 | 湖北东方化工有限公司 | 一种多硝基甲苯粉尘收集新工艺 |
| CN114425221A (zh) * | 2022-01-13 | 2022-05-03 | 江苏淮河化工有限公司 | 一硝基甲苯生产过程中的VOCs处理方法 |
| CN120548213A (zh) | 2023-01-09 | 2025-08-26 | 巴斯夫欧洲公司 | 用于从气流中除去氮氧化物、一氧化二氮和一氧化碳的方法 |
| WO2025125207A1 (en) | 2023-12-11 | 2025-06-19 | Basf Se | Process for removing nitrogen monoxide, nitrogen dioxide and nitrous oxide from an exhaust gas stream |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1576236A (zh) * | 2003-06-30 | 2005-02-09 | 拜尔材料科学股份公司 | 二硝基甲苯制备过程的废水的处理方法 |
| CN101108805A (zh) * | 2006-07-21 | 2008-01-23 | 拜尔材料科学股份公司 | 生产二硝基甲苯的方法 |
| WO2011082977A1 (de) * | 2009-12-16 | 2011-07-14 | Basf Se | VERFAHREN ZUR AUFARBEITUNG VON NOx-HALTIGEN ABGASEN AUS ABWASSERSTRÖMEN VON NITRIERANLAGEN |
| CN102879375A (zh) * | 2012-10-12 | 2013-01-16 | 陕西师范大学 | 硝基芳烃类爆炸物的识别检测方法 |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4331819A (en) * | 1980-04-24 | 1982-05-25 | E. I. Du Pont De Nemours And Company | Water removal in nitration of aromatic hydrocarbons |
| DE3409719A1 (de) | 1984-03-16 | 1985-09-19 | Bayer Ag, 5090 Leverkusen | Verfahren zur herstellung von dinitrotoluol |
| US5313009A (en) | 1990-01-04 | 1994-05-17 | Nrm International Technologies C.V. | Nitration process |
| US5275701A (en) | 1993-03-15 | 1994-01-04 | Air Products And Chemicals, Inc. | Process for purification and concentration of sulfuric acid |
| DE19636191B4 (de) | 1996-08-02 | 2008-04-03 | Bayer Materialscience Ag | Verfahren zur Reinigung und Aufkonzentrierung von gebrauchten Schwefelsäuren |
| US5963878A (en) | 1998-07-30 | 1999-10-05 | Noram Engineering & Constructors Ltd. | Nitration process |
| EP2877441B2 (de) * | 2012-07-27 | 2021-06-16 | Covestro Intellectual Property GmbH & Co. KG | 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 |
-
2015
- 2015-09-29 JP JP2017517755A patent/JP6736547B2/ja not_active Expired - Fee Related
- 2015-09-29 WO PCT/EP2015/072397 patent/WO2016050759A1/de not_active Ceased
- 2015-09-29 US US15/514,107 patent/US9896407B2/en not_active Expired - Fee Related
- 2015-09-29 EP EP15770925.4A patent/EP3201169B1/de not_active Not-in-force
- 2015-09-29 CN CN201580053881.6A patent/CN107106961B/zh not_active Expired - Fee Related
- 2015-09-29 HU HUE15770925A patent/HUE050513T2/hu unknown
- 2015-09-29 KR KR1020177008570A patent/KR20170063644A/ko not_active Withdrawn
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1576236A (zh) * | 2003-06-30 | 2005-02-09 | 拜尔材料科学股份公司 | 二硝基甲苯制备过程的废水的处理方法 |
| CN101108805A (zh) * | 2006-07-21 | 2008-01-23 | 拜尔材料科学股份公司 | 生产二硝基甲苯的方法 |
| WO2011082977A1 (de) * | 2009-12-16 | 2011-07-14 | Basf Se | VERFAHREN ZUR AUFARBEITUNG VON NOx-HALTIGEN ABGASEN AUS ABWASSERSTRÖMEN VON NITRIERANLAGEN |
| CN102879375A (zh) * | 2012-10-12 | 2013-01-16 | 陕西师范大学 | 硝基芳烃类爆炸物的识别检测方法 |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2017531641A (ja) | 2017-10-26 |
| US9896407B2 (en) | 2018-02-20 |
| JP6736547B2 (ja) | 2020-08-05 |
| WO2016050759A1 (de) | 2016-04-07 |
| EP3201169B1 (de) | 2020-06-03 |
| EP3201169A1 (de) | 2017-08-09 |
| US20170291869A1 (en) | 2017-10-12 |
| HUE050513T2 (hu) | 2020-12-28 |
| KR20170063644A (ko) | 2017-06-08 |
| CN107106961A (zh) | 2017-08-29 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107106961B (zh) | 用于连续生产二硝基甲苯的方法中的废气净化 | |
| RU2511380C2 (ru) | Способ и установка для регенерации отработанной серной кислоты из процессов нитрования | |
| US7988942B2 (en) | Method and system for concentrating waste sulphuric acids from nitration processes | |
| JP6250662B2 (ja) | 断熱的ニトロ化によりニトロベンゼンを製造する方法 | |
| KR101917384B1 (ko) | 디니트로톨루엔으로부터 불순물을 제거하는 방법 | |
| KR20130097749A (ko) | 미정제 방향족 니트로 화합물의 후처리로부터 유래된 폐수를 정제하는 방법 | |
| CN105263865B (zh) | 后处理来自硝基苯制备的废水的方法 | |
| CN105246833B (zh) | 后处理来自硝基苯制备的废水的方法 | |
| US20120205308A1 (en) | Process for purifying wastewaters from the workup of crude aromatic nitro compounds | |
| EP3041818B1 (en) | Method for removing hcn from crude dinitro toluene | |
| CN107750244A (zh) | 一种纯化来自硝化过程的硝化芳香族化合物的方法 |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200807 Termination date: 20210929 |