SA515360864B1 - عملية لفصل أيزوسيانيت محضر بواسطة فوسجينية لأمين أولي في طور الغاز من المنتج الخام الغازي من الفوسجينية - Google Patents

عملية لفصل أيزوسيانيت محضر بواسطة فوسجينية لأمين أولي في طور الغاز من المنتج الخام الغازي من الفوسجينية Download PDF

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Publication number
SA515360864B1
SA515360864B1 SA515360864A SA515360864A SA515360864B1 SA 515360864 B1 SA515360864 B1 SA 515360864B1 SA 515360864 A SA515360864 A SA 515360864A SA 515360864 A SA515360864 A SA 515360864A SA 515360864 B1 SA515360864 B1 SA 515360864B1
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SA
Saudi Arabia
Prior art keywords
liquid
quenching
gas phase
phase
stream
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SA515360864A
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Arabic (ar)
English (en)
Inventor
ماهر باستيان
ستيفنز فريدهيلم
Original Assignee
باير ماتريالسسينس ايه جي
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Application filed by باير ماتريالسسينس ايه جي filed Critical باير ماتريالسسينس ايه جي
Publication of SA515360864B1 publication Critical patent/SA515360864B1/ar

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    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C263/00Preparation of derivatives of isocyanic acid
    • C07C263/18Separation; Purification; Stabilisation; Use of additives
    • C07C263/20Separation; Purification
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D3/00Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping
    • B01D3/009Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping in combination with chemical reactions
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C263/00Preparation of derivatives of isocyanic acid
    • C07C263/18Separation; Purification; Stabilisation; Use of additives
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C253/00Preparation of carboxylic acid nitriles

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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
SA515360864A 2013-02-08 2015-08-06 عملية لفصل أيزوسيانيت محضر بواسطة فوسجينية لأمين أولي في طور الغاز من المنتج الخام الغازي من الفوسجينية SA515360864B1 (ar)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP13154596 2013-02-08
PCT/EP2014/052260 WO2014122180A1 (de) 2013-02-08 2014-02-05 Verfahren zur abtrennung eines durch phosgenierung eines primären amins in der gasphase hergestellten isocyanats aus dem gasförmigen rohprodukt der phosgenierung

Publications (1)

Publication Number Publication Date
SA515360864B1 true SA515360864B1 (ar) 2017-10-29

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
SA515360864A SA515360864B1 (ar) 2013-02-08 2015-08-06 عملية لفصل أيزوسيانيت محضر بواسطة فوسجينية لأمين أولي في طور الغاز من المنتج الخام الغازي من الفوسجينية

Country Status (8)

Country Link
US (1) US9932299B2 (cg-RX-API-DMAC7.html)
EP (1) EP2953928B1 (cg-RX-API-DMAC7.html)
JP (1) JP6297602B2 (cg-RX-API-DMAC7.html)
KR (1) KR20150114523A (cg-RX-API-DMAC7.html)
CN (1) CN105121403B (cg-RX-API-DMAC7.html)
HU (1) HUE034207T2 (cg-RX-API-DMAC7.html)
SA (1) SA515360864B1 (cg-RX-API-DMAC7.html)
WO (1) WO2014122180A1 (cg-RX-API-DMAC7.html)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2015144681A1 (de) 2014-03-27 2015-10-01 Bayer Material Science Ag Verfahren zum betreiben einer gasphasenphosgenierungsanlage
EP3122720B1 (de) 2014-03-27 2018-06-13 Covestro Deutschland AG Verfahren zum betreiben einer gasphasenphosgenierungsanlage
EP3606630B1 (de) 2017-04-03 2021-03-10 Covestro Intellectual Property GmbH & Co. KG Reinigungsvorrichtung für gasströme aus der isocyanatherstellung
WO2018224529A1 (de) 2017-06-08 2018-12-13 Covestro Deutschland Ag Verfahren zur herstellung von isocyanaten in der gasphase
EP3634946B1 (de) 2017-06-08 2022-09-14 Covestro Intellectual Property GmbH & Co. KG Verfahren zur herstellung von isocyanaten
US20250051268A1 (en) * 2021-12-17 2025-02-13 Mojia (Shanghai) Biotech Co., Ltd. Method for preparing isocyanate by means of gas-phase solvent-free method
CN115155467B (zh) * 2022-08-09 2023-10-10 宁夏瑞泰科技股份有限公司 采用液相光气化合成六亚甲基二异氰酸酯的系统及方法

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DE10161384A1 (de) 2001-12-14 2003-06-18 Bayer Ag Verbessertes Verfahren für die Herstellung von (/Poly)-isocyanaten in der Gasphase
EP1371634A1 (en) * 2002-06-14 2003-12-17 Bayer Ag Process for the purification of mixtures of toluenediisocyanate
EP1371633A1 (en) 2002-06-14 2003-12-17 Bayer Ag Process for the purification of mixtures of toluenediisocyanate incorporating a dividing-wall distillation column
DE10245704A1 (de) 2002-09-30 2004-04-01 Bayer Ag Verfahren zum Quenchen eines gasförmigen Reaktionsgemisches bei der Gasphasenphosgenierung von Diaminen
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.
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DE102008061686A1 (de) 2008-12-11 2010-06-17 Bayer Materialscience Ag Verfahren zur Herstellung von Isocyanaten in der Gasphase
CN102369182B (zh) 2009-04-08 2015-04-08 巴斯夫欧洲公司 异氰酸酯的制备方法
DE102009032413A1 (de) * 2009-07-09 2011-01-13 Bayer Materialscience Ag Verfahren zur Herstellung von Isocyanaten
WO2012049158A1 (de) * 2010-10-14 2012-04-19 Basf Se Verfahren zur herstellung von isocyanaten
PL214499B1 (pl) 2010-12-10 2013-08-30 Inst Chemii Przemyslowej Im Prof Ignacego Moscickiego Sposób wydzielania toluilenodiizocyjanianu z mieszaniny poreakcyjnej w procesie fosgenowania toluilenodiaminy w fazie gazowej

Also Published As

Publication number Publication date
EP2953928A1 (de) 2015-12-16
HUE034207T2 (hu) 2018-01-29
US20150368190A1 (en) 2015-12-24
WO2014122180A1 (de) 2014-08-14
KR20150114523A (ko) 2015-10-12
US9932299B2 (en) 2018-04-03
JP6297602B2 (ja) 2018-03-20
CN105121403B (zh) 2017-12-08
JP2016506970A (ja) 2016-03-07
CN105121403A (zh) 2015-12-02
EP2953928B1 (de) 2017-08-09

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