IN148484B - - Google Patents

Info

Publication number
IN148484B
IN148484B IN453/DEL/78A IN453DE1978A IN148484B IN 148484 B IN148484 B IN 148484B IN 453DE1978 A IN453DE1978 A IN 453DE1978A IN 148484 B IN148484 B IN 148484B
Authority
IN
India
Application number
IN453/DEL/78A
Other languages
English (en)
Inventor
P Ailloud
A Saint
Original Assignee
Ugine Kuhlmann
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 Ugine Kuhlmann filed Critical Ugine Kuhlmann
Publication of IN148484B publication Critical patent/IN148484B/en

Links

Classifications

    • 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
    • B01D3/10Vacuum distillation
    • 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
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10STECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S159/00Concentrating evaporators
    • Y10S159/10Organic

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
  • Separation, Recovery Or Treatment Of Waste Materials Containing Plastics (AREA)
IN453/DEL/78A 1977-07-12 1978-06-20 IN148484B (ja)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7721436A FR2397396A1 (fr) 1977-07-12 1977-07-12 Procede de recuperation du toluene diisocyanate a partir des residus de fabrication

Publications (1)

Publication Number Publication Date
IN148484B true IN148484B (ja) 1981-03-07

Family

ID=9193273

Family Applications (1)

Application Number Title Priority Date Filing Date
IN453/DEL/78A IN148484B (ja) 1977-07-12 1978-06-20

Country Status (17)

Country Link
US (1) US4216063A (ja)
EP (1) EP0000463B1 (ja)
JP (1) JPS5419938A (ja)
AR (1) AR214462A1 (ja)
AU (1) AU522377B2 (ja)
BR (1) BR7804465A (ja)
CA (1) CA1094090A (ja)
DD (1) DD138314A5 (ja)
DE (1) DE2861504D1 (ja)
DK (1) DK154426C (ja)
ES (1) ES471637A1 (ja)
FR (1) FR2397396A1 (ja)
IE (1) IE47024B1 (ja)
IN (1) IN148484B (ja)
IT (1) IT1111627B (ja)
PT (1) PT68171A (ja)
SU (1) SU1264840A3 (ja)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2915830A1 (de) * 1979-04-19 1980-10-23 Basf Ag Gewinnung von toluylendiisocyanat und/oder hoehersiedenden loesungsmitteln im wirbelbett aus destillationsrueckstaenden der toluylendiisocanat-herstellung
FR2625742B1 (fr) * 1988-01-13 1990-06-22 Rhone Poulenc Chimie Procede de separation du toluene diisocyanate contenu dans les residus de sa fabrication
JPH02138567U (ja) * 1989-04-21 1990-11-19
US5051152A (en) * 1989-09-26 1991-09-24 Air Products And Chemicals, Inc. Preparation of urethane prepolymers having low levels of residual toluene diisocyanate
JP2504851Y2 (ja) * 1990-02-07 1996-07-24 株式会社シマノ 釣り用リ―ルのリ―ドスイッチ取り付け構造
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
US5962728A (en) * 1997-10-31 1999-10-05 Arco Chemical Technology, L.P. Isocyanate residue purification
DE10260092A1 (de) * 2002-12-19 2004-07-01 Basf Ag Verfahren zur Reinigung von Isocyanaten
JP5254020B2 (ja) * 2005-09-29 2013-08-07 ビーエーエスエフ ソシエタス・ヨーロピア イソシアネート含有残留物を精製する方法
CN102408354A (zh) * 2011-10-24 2012-04-11 天津大学 一种回收甲苯二异氰酸酯的方法及装置
WO2014009342A1 (de) * 2012-07-11 2014-01-16 Bayer Materialscience Ag Verfahren zur aufarbeitung von destillationsrückständen aus der isocyanatherstellung

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2706169A (en) * 1954-03-04 1955-04-12 Du Pont Flash distillation of 2,4-tolylene diisocyanate
US2974725A (en) * 1954-05-04 1961-03-14 Bayer Ag Process and apparatus for continuously obtaining dry materials
US3457291A (en) * 1965-04-01 1969-07-22 Union Carbide Corp Production of isocyanates
US3405040A (en) 1965-08-31 1968-10-08 Mobay Chemical Corp Method for recovering tolylene diisocyanate
US3542112A (en) * 1968-06-05 1970-11-24 Artisan Ind Thin-film evaporator having multi-zone temperature control jacket
CA998060A (en) 1970-05-22 1976-10-05 Carl F. Irwin Recovery of organic isocyanate
DD130143B1 (de) * 1975-08-15 1979-12-27 Guenter Muecke Verfahren zur kontinuierlichen thermischen abtrennung organischer isocyanate aus fluessigem destillationsrueckstand

Also Published As

Publication number Publication date
EP0000463B1 (fr) 1982-01-06
JPS5419938A (en) 1979-02-15
IE47024B1 (en) 1983-11-30
US4216063A (en) 1980-08-05
FR2397396A1 (fr) 1979-02-09
DE2861504D1 (en) 1982-02-25
AU522377B2 (en) 1982-06-03
DK310578A (da) 1979-01-13
BR7804465A (pt) 1979-03-20
EP0000463A1 (fr) 1979-01-24
IT7868483A0 (it) 1978-06-23
DK154426B (da) 1988-11-14
ES471637A1 (es) 1979-02-01
AU3790278A (en) 1980-01-17
CA1094090A (fr) 1981-01-20
AR214462A1 (es) 1979-06-15
DK154426C (da) 1989-04-10
DD138314A5 (de) 1979-10-24
PT68171A (fr) 1978-07-01
FR2397396B1 (ja) 1980-01-18
JPS612057B2 (ja) 1986-01-22
IT1111627B (it) 1986-01-13
SU1264840A3 (ru) 1986-10-15
IE781366L (en) 1979-01-12

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