JP2007326854A5 - - Google Patents
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- Publication number
- JP2007326854A5 JP2007326854A5 JP2007126737A JP2007126737A JP2007326854A5 JP 2007326854 A5 JP2007326854 A5 JP 2007326854A5 JP 2007126737 A JP2007126737 A JP 2007126737A JP 2007126737 A JP2007126737 A JP 2007126737A JP 2007326854 A5 JP2007326854 A5 JP 2007326854A5
- Authority
- JP
- Japan
- Prior art keywords
- sulfuric acid
- concentration
- chlorine gas
- produce
- producing
- 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.)
- Pending
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- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 91
- 238000004519 manufacturing process Methods 0.000 claims description 15
- KZBUYRJDOAKODT-UHFFFAOYSA-N Chlorine Chemical compound ClCl KZBUYRJDOAKODT-UHFFFAOYSA-N 0.000 claims description 14
- 238000000034 method Methods 0.000 claims description 11
- PAYRUJLWNCNPSJ-UHFFFAOYSA-N Aniline Chemical compound NC1=CC=CC=C1 PAYRUJLWNCNPSJ-UHFFFAOYSA-N 0.000 claims description 10
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims description 10
- YGYAWVDWMABLBF-UHFFFAOYSA-N Phosgene Chemical compound ClC(Cl)=O YGYAWVDWMABLBF-UHFFFAOYSA-N 0.000 claims description 10
- 229910000041 hydrogen chloride Inorganic materials 0.000 claims description 10
- IXCSERBJSXMMFS-UHFFFAOYSA-N hydrogen chloride Substances Cl.Cl IXCSERBJSXMMFS-UHFFFAOYSA-N 0.000 claims description 10
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 claims description 9
- 150000001412 amines Chemical class 0.000 claims description 6
- 150000001491 aromatic compounds Chemical class 0.000 claims description 6
- 150000004985 diamines Chemical class 0.000 claims description 6
- 238000006396 nitration reaction Methods 0.000 claims description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 6
- CZZYITDELCSZES-UHFFFAOYSA-N diphenylmethane Chemical compound C=1C=CC=CC=1CC1=CC=CC=C1 CZZYITDELCSZES-UHFFFAOYSA-N 0.000 claims description 5
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 4
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 claims description 4
- 238000006243 chemical reaction Methods 0.000 claims description 4
- 239000001257 hydrogen Substances 0.000 claims description 4
- 229910052739 hydrogen Inorganic materials 0.000 claims description 4
- 229910017604 nitric acid Inorganic materials 0.000 claims description 4
- 229920000768 polyamine Polymers 0.000 claims description 4
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims description 3
- 229910002091 carbon monoxide Inorganic materials 0.000 claims description 3
- 238000006172 aromatic nitration reaction Methods 0.000 claims description 2
- 238000004821 distillation Methods 0.000 claims description 2
- 239000012948 isocyanate Substances 0.000 claims description 2
- 150000002513 isocyanates Chemical class 0.000 claims description 2
- 238000005292 vacuum distillation Methods 0.000 claims description 2
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 6
- 239000000460 chlorine Substances 0.000 description 6
- LQNUZADURLCDLV-UHFFFAOYSA-N nitrobenzene Chemical compound [O-][N+](=O)C1=CC=CC=C1 LQNUZADURLCDLV-UHFFFAOYSA-N 0.000 description 6
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 4
- 229910052801 chlorine Inorganic materials 0.000 description 4
- 239000012535 impurity Substances 0.000 description 4
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 3
- 238000005868 electrolysis reaction Methods 0.000 description 3
- DYSXLQBUUOPLBB-UHFFFAOYSA-N 2,3-dinitrotoluene Chemical compound CC1=CC=CC([N+]([O-])=O)=C1[N+]([O-])=O DYSXLQBUUOPLBB-UHFFFAOYSA-N 0.000 description 2
- ZPTVNYMJQHSSEA-UHFFFAOYSA-N 4-nitrotoluene Chemical compound CC1=CC=C([N+]([O-])=O)C=C1 ZPTVNYMJQHSSEA-UHFFFAOYSA-N 0.000 description 2
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 239000012855 volatile organic compound Substances 0.000 description 2
- WDCYWAQPCXBPJA-UHFFFAOYSA-N 1,3-dinitrobenzene Chemical compound [O-][N+](=O)C1=CC=CC([N+]([O-])=O)=C1 WDCYWAQPCXBPJA-UHFFFAOYSA-N 0.000 description 1
- BFCFYVKQTRLZHA-UHFFFAOYSA-N 1-chloro-2-nitrobenzene Chemical compound [O-][N+](=O)C1=CC=CC=C1Cl BFCFYVKQTRLZHA-UHFFFAOYSA-N 0.000 description 1
- VOZKAJLKRJDJLL-UHFFFAOYSA-N 2,4-diaminotoluene Chemical compound CC1=CC=C(N)C=C1N VOZKAJLKRJDJLL-UHFFFAOYSA-N 0.000 description 1
- BVJSGOYEEDZAGW-UHFFFAOYSA-N [chloro(nitro)methyl]benzene Chemical compound [O-][N+](=O)C(Cl)C1=CC=CC=C1 BVJSGOYEEDZAGW-UHFFFAOYSA-N 0.000 description 1
- 239000003377 acid catalyst Substances 0.000 description 1
- 230000003197 catalytic effect Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 125000005442 diisocyanate group Chemical group 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 229910017464 nitrogen compound Inorganic materials 0.000 description 1
- 150000002830 nitrogen compounds Chemical class 0.000 description 1
- VLZLOWPYUQHHCG-UHFFFAOYSA-N nitromethylbenzene Chemical compound [O-][N+](=O)CC1=CC=CC=C1 VLZLOWPYUQHHCG-UHFFFAOYSA-N 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 229920001228 polyisocyanate Polymers 0.000 description 1
- 239000005056 polyisocyanate Substances 0.000 description 1
- 239000011780 sodium chloride Substances 0.000 description 1
- 150000003464 sulfur compounds Chemical class 0.000 description 1
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102006022447A DE102006022447A1 (de) | 2006-05-13 | 2006-05-13 | Verfahren zur gekoppelten Herstellung von Chlor und Isocyanaten |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2007326854A JP2007326854A (ja) | 2007-12-20 |
| JP2007326854A5 true JP2007326854A5 (https=) | 2010-06-24 |
Family
ID=38421647
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2007126737A Pending JP2007326854A (ja) | 2006-05-13 | 2007-05-11 | 塩素とイソシアネート類の結合製造方法 |
Country Status (14)
| Country | Link |
|---|---|
| US (1) | US20070265466A1 (https=) |
| EP (1) | EP2024278B1 (https=) |
| JP (1) | JP2007326854A (https=) |
| KR (1) | KR20070110205A (https=) |
| CN (1) | CN101070292B (https=) |
| AT (1) | ATE446941T1 (https=) |
| BR (1) | BRPI0702605A (https=) |
| DE (2) | DE102006022447A1 (https=) |
| ES (1) | ES2333379T3 (https=) |
| PL (1) | PL2024278T3 (https=) |
| PT (1) | PT2024278E (https=) |
| RU (1) | RU2443682C2 (https=) |
| TW (1) | TW200808701A (https=) |
| WO (1) | WO2007131638A1 (https=) |
Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102006024550A1 (de) * | 2006-05-23 | 2007-11-29 | Bayer Materialscience Ag | Temperaturstabiler Katalysator für die Gasphasenoxidation |
| DE102008012037A1 (de) * | 2008-03-01 | 2009-09-03 | Bayer Materialscience Ag | Verfahren zur Herstellung von Methylen-diphenyl-diisocyanaten |
| DE102008051694A1 (de) * | 2008-10-15 | 2010-04-22 | Bayer Materialscience Ag | Verfahren zur Abtrennung von Kohlenmonoxid aus einem HCI-Rohgas |
| BR112012002910A2 (pt) * | 2009-08-11 | 2016-04-05 | Basf Se | processo para preparar os diisocianatos através da fosgenação em fase gasosa |
| BR112015006212A2 (pt) | 2012-09-19 | 2017-07-04 | Liquid Light Inc | co-produção eletroquímica de produtos químicos empregando a reciclagem de um haleto de hidrogênio |
| PT2949622T (pt) | 2014-05-27 | 2022-05-02 | Covestro Intellectual Property Gmbh & Co Kg | Processo para processar cloreto de hidrogénio a partir da produção de isocianatos |
| CN108794349A (zh) * | 2017-04-26 | 2018-11-13 | 福建省东南电化股份有限公司 | 一种在甲苯二异氰酸酯生产工艺中维持轻溶剂联动的方法 |
| CA2968257C (en) * | 2017-05-24 | 2022-05-24 | Inotel Inc. | Potassium magnesium fertilizer |
| DE102017219974A1 (de) * | 2017-11-09 | 2019-05-09 | Siemens Aktiengesellschaft | Herstellung und Abtrennung von Phosgen durch kombinierte CO2 und Chlorid-Elektrolyse |
| US20240208814A1 (en) * | 2021-04-21 | 2024-06-27 | Basf Se | Process for preparing chlorine |
| CN113980239B (zh) * | 2021-11-09 | 2023-01-10 | 美瑞新材料股份有限公司 | 利用硝基苯胺异构体混合物制备热塑性聚氨酯弹性体的方法及其产品 |
| CN114044746A (zh) * | 2021-12-07 | 2022-02-15 | 万华化学集团股份有限公司 | 一种低pi类物质含量异氰酸酯及其制备方法 |
Family Cites Families (25)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1431981A (en) * | 1921-09-08 | 1922-10-17 | Brown Co | Method of drying chlorine |
| US2793102A (en) * | 1953-07-24 | 1957-05-21 | Herman H Frischer | Production of pure chlorine |
| US3201201A (en) * | 1962-06-01 | 1965-08-17 | Pullman Inc | Process for treating the effluent gas obtained by the oxidation of a hydrogen halide gas |
| CA946122A (en) * | 1970-01-09 | 1974-04-30 | Stauffer Chemical Company | Purification of spent sulfuric acid by activated carbon |
| US3655342A (en) * | 1970-02-20 | 1972-04-11 | Dow Chemical Co | Drying chlorine |
| US3856673A (en) * | 1973-04-02 | 1974-12-24 | Air Prod & Chem | Purification of spent sulfuric acid |
| US4311568A (en) * | 1980-04-02 | 1982-01-19 | General Electric Co. | Anode for reducing oxygen generation in the electrolysis of hydrogen chloride |
| DE3032128A1 (de) * | 1980-08-26 | 1982-04-08 | Bayer Ag, 5090 Leverkusen | Neue diisocyanate bzw. diisocyanatgemische der diphenylmethanreihe, verfahren zu ihrer herstellung, sowie ihre verwendung als aufbaukomponente bei der herstellung von polyurethankunststoffen nach dem isocyanat-polyadditionsverfahren |
| DE3409717C2 (de) * | 1984-03-16 | 1994-03-31 | Bayer Ag | Verfahren zur Herstellung von Nitrobenzol |
| US5362368A (en) * | 1993-06-03 | 1994-11-08 | Scott Lynn | Chlorine generator |
| US6010612A (en) * | 1993-11-22 | 2000-01-04 | E.I. Du Pont De Nemours And Company | Production of isocyanate using chlorine recycle |
| DE4437047A1 (de) * | 1994-10-17 | 1996-04-18 | Bayer Ag | Verfahren zur Dinitrierung von aromatischen Verbindungen |
| DE19528781A1 (de) * | 1995-08-04 | 1997-02-06 | Bayer Ag | Verfahren zur Herstellung von Toluylendiisocyanat, spezielle Gemische aus Toluylendiamin und Wasser und deren Verwendung zur Herstellung von Toluylendiisocyanat |
| IN190134B (https=) * | 1995-12-28 | 2003-06-21 | Du Pont | |
| CA2254612A1 (en) * | 1996-09-06 | 2000-05-27 | Bayer Aktiengesellschaft | A process for purifying and concentrating spent sulphuric acids |
| DE19642328A1 (de) * | 1996-10-14 | 1998-04-16 | Bayer Ag | Verfahren zur Aufkonzentrierung von gebrauchten Schwefelsäuren |
| CA2194902C (en) * | 1997-01-10 | 2002-09-17 | Tse-Chuan Chou | Integrated process using in situ regenerated sulfuric acid as catalyst |
| US5902910A (en) * | 1997-09-19 | 1999-05-11 | Air Products And Chemicals, Inc. | Weak acid process for producing dinitrotoluene |
| US6506948B1 (en) * | 2002-02-07 | 2003-01-14 | Air Products And Chemicals, Inc. | Toluene extraction of dinitrotoluene wash water |
| US7238840B2 (en) * | 2002-03-28 | 2007-07-03 | Huntsman International Llc | Process for the production of diaminodiphenylmethane and its higher homologues |
| RU2330016C2 (ru) * | 2002-03-28 | 2008-07-27 | Хантсмэн Интернэшнл Ллс | Способ получения диаминодифенилметана и его высших гомологов |
| DE10235476A1 (de) * | 2002-08-02 | 2004-02-12 | Basf Ag | Integriertes Verfahren zur Herstellung von Isocyanaten |
| DE10307140A1 (de) * | 2003-02-20 | 2004-09-09 | Bayer Ag | Verfahren zur zweistufigen Herstellung von Dinitrotoluol |
| US7041858B1 (en) * | 2005-02-09 | 2006-05-09 | Bayer Materialscience Llc | Process for the production of dinitrotoluene |
| JP4791783B2 (ja) * | 2005-08-31 | 2011-10-12 | 三井化学株式会社 | ポリイソシアネートの製造方法 |
-
2006
- 2006-05-13 DE DE102006022447A patent/DE102006022447A1/de not_active Withdrawn
-
2007
- 2007-05-03 PT PT07724818T patent/PT2024278E/pt unknown
- 2007-05-03 EP EP07724818A patent/EP2024278B1/de not_active Not-in-force
- 2007-05-03 WO PCT/EP2007/003892 patent/WO2007131638A1/de not_active Ceased
- 2007-05-03 DE DE502007001868T patent/DE502007001868D1/de active Active
- 2007-05-03 AT AT07724818T patent/ATE446941T1/de active
- 2007-05-03 PL PL07724818T patent/PL2024278T3/pl unknown
- 2007-05-03 ES ES07724818T patent/ES2333379T3/es active Active
- 2007-05-10 US US11/801,719 patent/US20070265466A1/en not_active Abandoned
- 2007-05-11 TW TW096116731A patent/TW200808701A/zh unknown
- 2007-05-11 RU RU2007117490/04A patent/RU2443682C2/ru not_active IP Right Cessation
- 2007-05-11 JP JP2007126737A patent/JP2007326854A/ja active Pending
- 2007-05-11 KR KR1020070045786A patent/KR20070110205A/ko not_active Ceased
- 2007-05-11 CN CN2007101034325A patent/CN101070292B/zh not_active Expired - Fee Related
- 2007-05-14 BR BRPI0702605-6A patent/BRPI0702605A/pt not_active Application Discontinuation
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