JP6581581B2 - イソシアネート製造において生じる蒸留残渣から有機イソシアネートを取得する方法 - Google Patents

イソシアネート製造において生じる蒸留残渣から有機イソシアネートを取得する方法 Download PDF

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Publication number
JP6581581B2
JP6581581B2 JP2016535426A JP2016535426A JP6581581B2 JP 6581581 B2 JP6581581 B2 JP 6581581B2 JP 2016535426 A JP2016535426 A JP 2016535426A JP 2016535426 A JP2016535426 A JP 2016535426A JP 6581581 B2 JP6581581 B2 JP 6581581B2
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Prior art keywords
distillation
isocyanate
evaporator
weight
less
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JP2016535426A
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Japanese (ja)
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JP2016531124A (ja
JP2016531124A5 (https=
Inventor
クラウス、ティドー
アンドレアス、ヘッキング
ヤン、ブッシュ
フランク、リヒター
フリートヘルム、シュテフェンス
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Covestro Deutschland AG
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Covestro Deutschland AG
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Classifications

    • 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
    • C07C263/20—Separation; Purification

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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Chemical Kinetics & Catalysis (AREA)
JP2016535426A 2013-08-19 2014-08-14 イソシアネート製造において生じる蒸留残渣から有機イソシアネートを取得する方法 Expired - Fee Related JP6581581B2 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP13180927.9 2013-08-19
EP13180927 2013-08-19
PCT/EP2014/067432 WO2015024859A1 (de) 2013-08-19 2014-08-14 Verfahren zur gewinnung von organischen isocyanaten aus destillationsrückständen der isocyanatherstellung

Publications (3)

Publication Number Publication Date
JP2016531124A JP2016531124A (ja) 2016-10-06
JP2016531124A5 JP2016531124A5 (https=) 2017-09-21
JP6581581B2 true JP6581581B2 (ja) 2019-09-25

Family

ID=48985687

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2016535426A Expired - Fee Related JP6581581B2 (ja) 2013-08-19 2014-08-14 イソシアネート製造において生じる蒸留残渣から有機イソシアネートを取得する方法

Country Status (8)

Country Link
US (1) US9688619B2 (https=)
EP (1) EP3036217B1 (https=)
JP (1) JP6581581B2 (https=)
KR (1) KR20160044473A (https=)
CN (1) CN105452216B (https=)
HU (1) HUE035677T2 (https=)
SA (1) SA516370580B1 (https=)
WO (1) WO2015024859A1 (https=)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
HUE053661T2 (hu) * 2016-12-21 2021-07-28 Covestro Intellectual Property Gmbh & Co Kg Eljárás egy izocianát elõállítására
HUE053892T2 (hu) * 2017-04-03 2021-07-28 Covestro Intellectual Property Gmbh & Co Kg Tisztító berendezés izocianát elõállításából származó gázáramokhoz
EP3798208A1 (de) * 2019-09-30 2021-03-31 Covestro Deutschland AG Verfahren zur destillation von isocyanaten
EP3960728A1 (de) 2020-08-24 2022-03-02 Covestro Deutschland AG Verfahren zur isocyanat-herstellung mit rezyklierender, thermisch oxidativer verwertung
CN114605288B (zh) * 2020-12-03 2024-02-02 万华化学集团股份有限公司 一种异氰酸酯聚合物的高效分离回收工艺及装置
CN114907237B (zh) * 2022-06-06 2024-01-30 山东新和成维生素有限公司 一种过滤回收异氰酸酯精馏残渣中异氰酸酯的方法及过滤回收系统
CN115819285B (zh) * 2022-10-28 2025-01-07 宁夏瑞泰科技股份有限公司 一种含1,5-萘二异氰酸酯的精馏釜残渣的处理方法
CN117736115A (zh) * 2023-11-28 2024-03-22 宁夏瑞泰科技股份有限公司 Hdi精馏釜残的处理方法和己二胺产品

Family Cites Families (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB795639A (en) 1955-09-09 1958-05-28 Bayer Ag A process for recovering amines from the residues in the production of aromatic isocyanates
US3128310A (en) 1955-09-09 1964-04-07 Bayer Ag Recovery of amines
GB1047101A (en) 1964-03-23 1966-11-02 Mobay Chemical Corp Recovery of amines
DE2703313A1 (de) 1977-01-27 1978-08-03 Bayer Ag Verfahren zur herstellung von organischen polyaminen
US4633018A (en) * 1985-12-20 1986-12-30 Uop Inc. Process for separating isomers of toluenediamine
US5185384A (en) * 1991-01-28 1993-02-09 The Dow Chemical Company Method for reducing hydrolyzable chloride in toluene diisocyanate
EP0497538A3 (en) * 1991-01-28 1993-01-13 The Dow Chemical Company Process for reducing hydrolyzable chloride in toluene diisocyanate
DE4142769A1 (de) 1991-12-23 1993-06-24 Bayer Hispania Ind S A Verfahren zur herstellung von isocyanaten und aufarbeitung des rueckstandes
DE4317669A1 (de) 1993-05-27 1994-12-01 Bayer Ag Verfahren zur Herstellung von Isocyanaten und kontinuierlichen Aufarbeitung des Rückstandes
DE4430951C1 (de) 1994-08-31 1996-05-23 Bayer Ag Verfahren und Vorrichtung zur Abtrennung eines festen Rückstandes aus seiner Lösung im gerührten Gutbett
DE19827086A1 (de) * 1998-06-18 1999-12-23 Basf Ag Verfahren zur Aufarbeitung von Destillationsrückständen aus der Synthese von Toluylendiisocyanat
EP1371633A1 (en) * 2002-06-14 2003-12-17 Bayer Ag Process for the purification of mixtures of toluenediisocyanate incorporating a dividing-wall distillation column
ES2271171T3 (es) 2002-10-22 2007-04-16 Bayer Materialscience Ag Procedimiento para la purificacion de toluendiisocianato que incorpora una columna de destilacion de pared divisoria para la purificacion final.
DE10260093A1 (de) 2002-12-19 2004-07-01 Basf Ag Verfahren zur Abtrennung von Isocyanaten aus einem Reaktionsgemisch
DE10260092A1 (de) 2002-12-19 2004-07-01 Basf Ag Verfahren zur Reinigung von Isocyanaten
EP1518874B1 (de) * 2003-09-24 2006-12-13 Basf Aktiengesellschaft Monomerarmes Gemisch, enthaltend polymeres MDI
JP5116954B2 (ja) 2005-07-12 2013-01-09 三井化学株式会社 ポリイソシアネート残渣の濃縮方法、処理方法、濃縮装置および処理装置
DE102006058633A1 (de) 2006-12-13 2008-06-19 Bayer Materialscience Ag Verfahren zur Herstellung von Isocyanaten in der Gasphase
DE102006060181A1 (de) 2006-12-18 2008-06-19 Bayer Materialscience Ag Verfahren zur Herstellung von Toluylendiisocyanat
DE102008061686A1 (de) 2008-12-11 2010-06-17 Bayer Materialscience Ag Verfahren zur Herstellung von Isocyanaten in der Gasphase

Also Published As

Publication number Publication date
US20160159734A1 (en) 2016-06-09
CN105452216A (zh) 2016-03-30
SA516370580B1 (ar) 2017-11-16
JP2016531124A (ja) 2016-10-06
WO2015024859A1 (de) 2015-02-26
EP3036217B1 (de) 2017-06-28
KR20160044473A (ko) 2016-04-25
US9688619B2 (en) 2017-06-27
HUE035677T2 (hu) 2018-05-28
CN105452216B (zh) 2018-06-05
EP3036217A1 (de) 2016-06-29

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