JP2007326854A - 塩素とイソシアネート類の結合製造方法 - Google Patents

塩素とイソシアネート類の結合製造方法 Download PDF

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Publication number
JP2007326854A
JP2007326854A JP2007126737A JP2007126737A JP2007326854A JP 2007326854 A JP2007326854 A JP 2007326854A JP 2007126737 A JP2007126737 A JP 2007126737A JP 2007126737 A JP2007126737 A JP 2007126737A JP 2007326854 A JP2007326854 A JP 2007326854A
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JP
Japan
Prior art keywords
sulfuric acid
concentration
chlorine
nitration
produce
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
Application number
JP2007126737A
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English (en)
Japanese (ja)
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JP2007326854A5 (https=
Inventor
Markus Dugal
マルクス・ドゥガル
Bernd Pennemann
ベルント・ペンネマン
Friedhelm Kaemper
フリートヘルム・ケンパー
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Covestro Deutschland AG
Original Assignee
Bayer MaterialScience AG
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Bayer MaterialScience AG filed Critical Bayer MaterialScience AG
Publication of JP2007326854A publication Critical patent/JP2007326854A/ja
Publication of JP2007326854A5 publication Critical patent/JP2007326854A5/ja
Pending 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)
JP2007126737A 2006-05-13 2007-05-11 塩素とイソシアネート類の結合製造方法 Pending JP2007326854A (ja)

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 true JP2007326854A (ja) 2007-12-20
JP2007326854A5 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=)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009209144A (ja) * 2008-03-01 2009-09-17 Bayer Materialscience Ag メチレンジフェニルジイソシアネートの製造方法
JP2024515354A (ja) * 2021-04-21 2024-04-09 ベーアーエスエフ・エスエー 塩素を調製するためのプロセス

Families Citing this family (10)

* 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
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
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 (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5775964A (en) * 1980-08-26 1982-05-12 Bayer Ag Diisocyanates or diisocyanate mixture of novel diphenylmethane series, manufacture and use as synthesis ingredients upon manufacturing polyurethane plastic by isocyanate polyaddition
JPS60204749A (ja) * 1984-03-16 1985-10-16 バイエル・アクチエンゲゼルシヤフト ニトロベンゼンの製造方法
JP2001501903A (ja) * 1996-10-14 2001-02-13 バイエル・アクチエンゲゼルシヤフト 使用済み硫酸の濃縮方法
JP2001516333A (ja) * 1995-12-28 2001-09-25 イー・アイ・デユポン・ドウ・ヌムール・アンド・カンパニー 塩素再循環を利用したイソシアネート製造
JP2004250452A (ja) * 2003-02-20 2004-09-09 Bayer Ag ジニトロトルエンの製造方法
JP2006503007A (ja) * 2002-08-02 2006-01-26 ビーエーエスエフ アクチェンゲゼルシャフト イソシアナートの連続的製造方法
JP2007063200A (ja) * 2005-08-31 2007-03-15 Mitsui Chemicals Polyurethanes Inc ポリイソシアネートの製造方法およびポリイソシアネートの製造装置

Family Cites Families (18)

* Cited by examiner, † Cited by third party
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
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
CA2254612A1 (en) * 1996-09-06 2000-05-27 Bayer Aktiengesellschaft A process for purifying and concentrating spent sulphuric acids
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
US7041858B1 (en) * 2005-02-09 2006-05-09 Bayer Materialscience Llc Process for the production of dinitrotoluene

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5775964A (en) * 1980-08-26 1982-05-12 Bayer Ag Diisocyanates or diisocyanate mixture of novel diphenylmethane series, manufacture and use as synthesis ingredients upon manufacturing polyurethane plastic by isocyanate polyaddition
JPS60204749A (ja) * 1984-03-16 1985-10-16 バイエル・アクチエンゲゼルシヤフト ニトロベンゼンの製造方法
JP2001516333A (ja) * 1995-12-28 2001-09-25 イー・アイ・デユポン・ドウ・ヌムール・アンド・カンパニー 塩素再循環を利用したイソシアネート製造
JP2001501903A (ja) * 1996-10-14 2001-02-13 バイエル・アクチエンゲゼルシヤフト 使用済み硫酸の濃縮方法
JP2006503007A (ja) * 2002-08-02 2006-01-26 ビーエーエスエフ アクチェンゲゼルシャフト イソシアナートの連続的製造方法
JP2004250452A (ja) * 2003-02-20 2004-09-09 Bayer Ag ジニトロトルエンの製造方法
JP2007063200A (ja) * 2005-08-31 2007-03-15 Mitsui Chemicals Polyurethanes Inc ポリイソシアネートの製造方法およびポリイソシアネートの製造装置

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009209144A (ja) * 2008-03-01 2009-09-17 Bayer Materialscience Ag メチレンジフェニルジイソシアネートの製造方法
JP2024515354A (ja) * 2021-04-21 2024-04-09 ベーアーエスエフ・エスエー 塩素を調製するためのプロセス

Also Published As

Publication number Publication date
WO2007131638A1 (de) 2007-11-22
KR20070110205A (ko) 2007-11-16
CN101070292B (zh) 2012-08-22
PL2024278T3 (pl) 2010-03-31
TW200808701A (en) 2008-02-16
US20070265466A1 (en) 2007-11-15
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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