CN101070292B - 联合生产氯和异氰酸酯的方法 - Google Patents

联合生产氯和异氰酸酯的方法 Download PDF

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Publication number
CN101070292B
CN101070292B CN2007101034325A CN200710103432A CN101070292B CN 101070292 B CN101070292 B CN 101070292B CN 2007101034325 A CN2007101034325 A CN 2007101034325A CN 200710103432 A CN200710103432 A CN 200710103432A CN 101070292 B CN101070292 B CN 101070292B
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CN
China
Prior art keywords
sulfuric acid
concentration
quality
chlorine
reaction
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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CN2007101034325A
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English (en)
Chinese (zh)
Other versions
CN101070292A (zh
Inventor
M·杜格尔
B·彭尼曼
F·坎珀
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Covestro Deutschland AG
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Bayer MaterialScience AG
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Publication of CN101070292A publication Critical patent/CN101070292A/zh
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Expired - Fee Related legal-status Critical Current
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Classifications

    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B7/00—Halogens; Halogen acids
    • C01B7/01—Chlorine; Hydrogen chloride
    • C01B7/03—Preparation from chlorides
    • C01B7/04—Preparation of chlorine from hydrogen chloride
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B17/00—Sulfur; Compounds thereof
    • C01B17/69—Sulfur trioxide; Sulfuric acid
    • C01B17/88—Concentration of sulfuric acid
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B17/00—Sulfur; Compounds thereof
    • C01B17/69—Sulfur trioxide; Sulfuric acid
    • C01B17/90—Separation; Purification
    • C01B17/94—Recovery from nitration acids
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B32/00—Carbon; Compounds thereof
    • C01B32/80—Phosgene
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B7/00—Halogens; Halogen acids
    • C01B7/01—Chlorine; Hydrogen chloride
    • C01B7/07—Purification ; Separation
    • C01B7/0743—Purification ; Separation of gaseous or dissolved chlorine
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C263/00—Preparation of derivatives of isocyanic acid
    • C07C263/10—Preparation of derivatives of isocyanic acid by reaction of amines with carbonyl halides, e.g. with phosgene
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C263/00—Preparation of derivatives of isocyanic acid
    • C07C263/18—Separation; Purification; Stabilisation; Use of additives
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C265/00—Derivatives of isocyanic acid
    • C07C265/14—Derivatives of isocyanic acid containing at least two isocyanate groups bound to the same carbon skeleton

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Electrolytic Production Of Non-Metals, Compounds, Apparatuses Therefor (AREA)
CN2007101034325A 2006-05-13 2007-05-11 联合生产氯和异氰酸酯的方法 Expired - Fee Related CN101070292B (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102006022447.7 2006-05-13
DE102006022447A DE102006022447A1 (de) 2006-05-13 2006-05-13 Verfahren zur gekoppelten Herstellung von Chlor und Isocyanaten

Publications (2)

Publication Number Publication Date
CN101070292A CN101070292A (zh) 2007-11-14
CN101070292B true CN101070292B (zh) 2012-08-22

Family

ID=38421647

Family Applications (1)

Application Number Title Priority Date Filing Date
CN2007101034325A Expired - Fee Related CN101070292B (zh) 2006-05-13 2007-05-11 联合生产氯和异氰酸酯的方法

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)

* Cited by examiner, † Cited by third party
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

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5888920A (en) * 1997-01-10 1999-03-30 Chou; Tse-Chuan Integrated process using in situ regenerated sulfuric acid as catalyst
US6010612A (en) * 1993-11-22 2000-01-04 E.I. Du Pont De Nemours And Company Production of isocyanate using chlorine recycle
US6506948B1 (en) * 2002-02-07 2003-01-14 Air Products And Chemicals, Inc. Toluene extraction of dinitrotoluene wash water
US7041858B1 (en) * 2005-02-09 2006-05-09 Bayer Materialscience Llc Process for the production of dinitrotoluene

Family Cites Families (21)

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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
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
US5902910A (en) * 1997-09-19 1999-05-11 Air Products And Chemicals, Inc. Weak acid process for producing dinitrotoluene
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
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

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6010612A (en) * 1993-11-22 2000-01-04 E.I. Du Pont De Nemours And Company Production of isocyanate using chlorine recycle
US5888920A (en) * 1997-01-10 1999-03-30 Chou; Tse-Chuan Integrated process using in situ regenerated sulfuric acid as catalyst
US6506948B1 (en) * 2002-02-07 2003-01-14 Air Products And Chemicals, Inc. Toluene extraction of dinitrotoluene wash water
US7041858B1 (en) * 2005-02-09 2006-05-09 Bayer Materialscience Llc Process for the production of dinitrotoluene

Also Published As

Publication number Publication date
WO2007131638A1 (de) 2007-11-22
KR20070110205A (ko) 2007-11-16
PL2024278T3 (pl) 2010-03-31
TW200808701A (en) 2008-02-16
US20070265466A1 (en) 2007-11-15
JP2007326854A (ja) 2007-12-20
RU2007117490A (ru) 2008-11-20
DE502007001868D1 (de) 2009-12-10
PT2024278E (pt) 2009-12-15
ES2333379T3 (es) 2010-02-19
DE102006022447A1 (de) 2007-11-15
BRPI0702605A (pt) 2008-01-15
RU2443682C2 (ru) 2012-02-27
ATE446941T1 (de) 2009-11-15
EP2024278B1 (de) 2009-10-28
CN101070292A (zh) 2007-11-14
EP2024278A1 (de) 2009-02-18

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