IL124737A - Process for separating a fraction containing middle boilers from a mixture of low, middle and high boilers - Google Patents

Process for separating a fraction containing middle boilers from a mixture of low, middle and high boilers

Info

Publication number
IL124737A
IL124737A IL12473796A IL12473796A IL124737A IL 124737 A IL124737 A IL 124737A IL 12473796 A IL12473796 A IL 12473796A IL 12473796 A IL12473796 A IL 12473796A IL 124737 A IL124737 A IL 124737A
Authority
IL
Israel
Prior art keywords
column
low
fraction
mixture
boiling component
Prior art date
Application number
IL12473796A
Other languages
English (en)
Other versions
IL124737A0 (en
Original Assignee
Basf 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
Priority claimed from US08/688,281 external-priority patent/US5837107A/en
Application filed by Basf Ag filed Critical Basf Ag
Publication of IL124737A0 publication Critical patent/IL124737A0/xx
Publication of IL124737A publication Critical patent/IL124737A/en

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01BNON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B21/00Nitrogen; Compounds thereof
    • C01B21/082Compounds containing nitrogen and non-metals and optionally metals
    • C01B21/14Hydroxylamine; Salts thereof
    • C01B21/1409Preparation
    • C01B21/1445Preparation of hydoxylamine from its salts
    • 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
    • B01D3/14Fractional distillation or use of a fractionation or rectification column
    • B01D3/143Fractional distillation or use of a fractionation or rectification column by two or more of a fractionation, separation or rectification step
    • B01D3/146Multiple effect distillation
    • 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
    • B01D3/34Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping with one or more auxiliary substances
    • B01D3/38Steam distillation
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01BNON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B21/00Nitrogen; Compounds thereof
    • C01B21/082Compounds containing nitrogen and non-metals and optionally metals
    • C01B21/14Hydroxylamine; Salts thereof
    • C01B21/1463Concentration
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01BNON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B21/00Nitrogen; Compounds thereof
    • C01B21/082Compounds containing nitrogen and non-metals and optionally metals
    • C01B21/14Hydroxylamine; Salts thereof
    • C01B21/1472Separation

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Compounds Of Unknown Constitution (AREA)
  • Disintegrating Or Milling (AREA)
  • Seasonings (AREA)
  • Gas Separation By Absorption (AREA)
  • Extraction Or Liquid Replacement (AREA)
IL12473796A 1995-12-20 1996-12-20 Process for separating a fraction containing middle boilers from a mixture of low, middle and high boilers IL124737A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE19547758 1995-12-20
US08/688,281 US5837107A (en) 1995-12-20 1996-07-29 Process for production of aqueous solutions of free hydroxylamine
PCT/EP1996/005772 WO1997022550A1 (fr) 1995-12-20 1996-12-20 Procede de separation de substances a point d'ebullition moyen contenues dans un melange de substances a bas, moyen et haut points d'ebullition

Publications (2)

Publication Number Publication Date
IL124737A0 IL124737A0 (en) 1999-01-26
IL124737A true IL124737A (en) 2001-06-14

Family

ID=26021480

Family Applications (2)

Application Number Title Priority Date Filing Date
IL12473796A IL124737A (en) 1995-12-20 1996-12-20 Process for separating a fraction containing middle boilers from a mixture of low, middle and high boilers
IL12473996A IL124739A (en) 1995-12-20 1996-12-20 Process for the preparation of aqueous solutions of free hydroxylamine

Family Applications After (1)

Application Number Title Priority Date Filing Date
IL12473996A IL124739A (en) 1995-12-20 1996-12-20 Process for the preparation of aqueous solutions of free hydroxylamine

Country Status (16)

Country Link
EP (2) EP0868398B1 (fr)
JP (2) JP4376969B2 (fr)
CN (2) CN1102531C (fr)
AT (1) ATE222565T1 (fr)
AU (2) AU707648B2 (fr)
BR (2) BR9612053A (fr)
CA (2) CA2239791C (fr)
DE (2) DE59609239D1 (fr)
DK (1) DK0868399T3 (fr)
ES (2) ES2177828T3 (fr)
HR (1) HRP960601B1 (fr)
IL (2) IL124737A (fr)
NO (2) NO319309B1 (fr)
PT (1) PT868399E (fr)
TR (2) TR199801154T2 (fr)
WO (2) WO1997022551A1 (fr)

Families Citing this family (29)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19725851A1 (de) * 1997-06-18 1998-12-24 Basf Ag Verfahren zur Herstellung hochreiner, wässriger Hydroxylaminlösungen
US5788946A (en) * 1997-07-16 1998-08-04 Ashland Inc. Purification of hydroxylamine
DE19733681A1 (de) 1997-08-04 1999-02-11 Basf Ag Verfahren zur Herstellung einer wäßrigen Lösung von freiem Hydroxylamin
DE19806578A1 (de) * 1998-02-17 1999-08-19 Basf Ag Verfahren zur Herstellung wäßriger, im wesentlichen metallionenfreier Hydroxylaminlösungen
US6235162B1 (en) 1998-05-28 2001-05-22 Sachem, Inc. Ultrapure hydroxylamine compound solutions and process of making same
DE19936594A1 (de) 1999-08-04 2001-02-08 Basf Ag Verfahren zur Herstellung von hochreinen stabilisierten Hydroxylaminlösungen
DE10004818A1 (de) * 2000-02-04 2001-08-09 Basf Ag Verfahren zum Recycling hydroxylaminhaltiger Stripperlösungen
JP3503115B2 (ja) * 2000-06-27 2004-03-02 東レ・ファインケミカル株式会社 フリーヒドロキシルアミン水溶液の製造方法
DE10037774A1 (de) * 2000-08-03 2002-02-14 Bayer Ag Verfahren und Vorrichtung zur Gewinnung organischer Substanzen aus einem diese Substanzen enthaltenden Gasgemisch
DE10131787A1 (de) * 2001-07-04 2003-01-16 Basf Ag Verfahren zur Herstellung einer salzfreien, wässrigen Hydroxylaminlösung
DE10134389A1 (de) 2001-07-04 2003-01-16 Basf Ag Verfahren zur Herstellung einer salzfreien, wässrigen Hydroxylaminlösung
DE10131788A1 (de) 2001-07-04 2003-01-16 Basf Ag Verfahren zur Herstellung einer salzfreien, wässrigen Hydroxylaminlösung
DE10314492B4 (de) * 2003-03-27 2008-10-16 Domo Caproleuna Gmbh Verfahren zur Herstellung einer wässrigen Lösung von Hydroxylamin
US7491846B2 (en) 2003-08-13 2009-02-17 Showa Denko K.K. Process for producing hydroxylamine
JP4578885B2 (ja) * 2003-08-13 2010-11-10 昭和電工株式会社 ヒドロキシルアミンの製造方法
TW200508176A (en) * 2003-08-13 2005-03-01 Showa Denko Kk Process for producing hydroxylamine
FR2860223B1 (fr) * 2003-09-26 2005-12-16 Jean Pierre Schirmann Procede de fabrication de solutions aqueuses d'hydroxylamine base
US7396519B2 (en) 2004-01-26 2008-07-08 San Fu Chemical Company, Ltd. Preparation of a high purity and high concentration hydroxylamine free base
JP2005239702A (ja) * 2004-01-28 2005-09-08 Showa Denko Kk ヒドロキシルアミンの製造方法
JP2006056742A (ja) * 2004-08-19 2006-03-02 Hosoya Fireworks Co Ltd 硝酸ヒドロキシルアミン水溶液の製造方法
JP4578988B2 (ja) * 2005-01-21 2010-11-10 昭和電工株式会社 ヒドロキシルアミンの製造方法
JP4578999B2 (ja) * 2005-02-10 2010-11-10 昭和電工株式会社 ヒドロキシルアミンの製造方法
JP2006219343A (ja) * 2005-02-10 2006-08-24 Showa Denko Kk ヒドロキシルアミンの製造方法
JP4578998B2 (ja) * 2005-02-10 2010-11-10 昭和電工株式会社 ヒドロキシルアミンの製造方法
DE102005032430A1 (de) * 2005-07-12 2007-01-25 Bayer Materialscience Ag Verfahren zur Herstellung von Toluylendiamin
WO2017204936A1 (fr) 2016-05-26 2017-11-30 Exxonmobil Chemical Patents Inc. Production d'imides cycliques appropriés pour l'oxydation catalytique
US11161812B2 (en) 2016-05-26 2021-11-02 Exxonmobil Chemical Patents Inc. Production of cyclic imides suitable for oxidation catalysis
WO2018075176A1 (fr) 2016-10-18 2018-04-26 Exxonmobil Chemical Patents Inc. Compositions d'une suspension épaisse d'imide cyclique
CN108946741B (zh) * 2017-05-17 2020-05-12 新特能源股份有限公司 多晶硅冷氢化工艺中的含硅高沸物的回收工艺方法及冷氢化工艺

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4111759A (en) * 1976-07-08 1978-09-05 United States Steel Corporation Process for separating ammonia and acid gases from waste waters containing fixed ammonia salts
JPS597313B2 (ja) * 1980-02-08 1984-02-17 チツソエンジニアリング株式会社 アルコ−ルの蒸溜装置
DE3302525A1 (de) * 1983-01-26 1984-07-26 Basf Ag, 6700 Ludwigshafen Destillationskolonne zur destillativen zerlegung eines aus mehreren fraktionen bestehenden zulaufproduktes
DE3528463A1 (de) * 1985-08-08 1987-02-19 Basf Ag Verfahren zur herstellung von waessrigen loesungen von freiem hydroxylamin
DE3814255A1 (de) * 1988-04-27 1989-11-09 Metallgesellschaft Ag Vorrichtung zum desodorieren von organischen fluessigkeiten
US5266290A (en) * 1992-07-10 1993-11-30 Thiokol Corporation Process for making high purity hydroxylammonium nitrate
DE4324410C1 (de) * 1993-07-21 1994-08-04 Enviro Consult Ingenieurgesell Verfahren zum Entfernen von Ammonium aus dem Zentratwasser einer biologischen Abwasserreinigungsanlage
US5385646A (en) * 1993-09-03 1995-01-31 Farmland Industries, Inc. Method of treating chemical process effluent

Also Published As

Publication number Publication date
CN1205677A (zh) 1999-01-20
CN1102531C (zh) 2003-03-05
NO982849D0 (no) 1998-06-19
EP0868399A1 (fr) 1998-10-07
NO322631B1 (no) 2006-11-06
JP2000505033A (ja) 2000-04-25
BR9612053A (pt) 1999-02-23
CN1104376C (zh) 2003-04-02
IL124739A0 (en) 1999-01-26
EP0868399B1 (fr) 2002-08-21
NO319309B1 (no) 2005-07-11
TR199801163T2 (xx) 1998-09-21
DE59609580D1 (de) 2002-09-26
AU704998B2 (en) 1999-05-13
CA2239791C (fr) 2006-01-31
ES2177828T3 (es) 2002-12-16
WO1997022550A1 (fr) 1997-06-26
DK0868399T3 (da) 2002-10-07
ATE222565T1 (de) 2002-09-15
NO982847L (no) 1998-08-17
IL124737A0 (en) 1999-01-26
CA2239791A1 (fr) 1997-06-26
ES2181933T3 (es) 2003-03-01
DE59609239D1 (de) 2002-06-27
JP4376969B2 (ja) 2009-12-02
HRP960601B1 (en) 2001-12-31
WO1997022551A1 (fr) 1997-06-26
AU1303997A (en) 1997-07-14
EP0868398B1 (fr) 2002-05-22
BR9612073A (pt) 1999-02-17
CA2239253A1 (fr) 1997-06-26
HRP960601A2 (en) 1998-04-30
MX9804788A (es) 1998-10-31
IL124739A (en) 2001-06-14
CA2239253C (fr) 2006-01-31
JP2000510385A (ja) 2000-08-15
AU707648B2 (en) 1999-07-15
PT868399E (pt) 2003-01-31
AU1304097A (en) 1997-07-14
NO982847D0 (no) 1998-06-19
NO982849L (no) 1998-08-19
TR199801154T2 (xx) 1998-12-21
EP0868398A1 (fr) 1998-10-07
CN1209108A (zh) 1999-02-24

Similar Documents

Publication Publication Date Title
US6254735B1 (en) Process for separating medium boiling substances from a mixture of low, medium and high boiling substances
AU704998B2 (en) Separation of middle boilers from a mixture of low, middle and high boilers
US2591671A (en) Dehydration of alcohols by extractive distillation
US4349416A (en) Process and device for the separation of mixtures which form an azeotrope
US6515187B1 (en) Process for recovering acrolein or propionaldehyde from dilute aqueous streams
US4720326A (en) Process for working-up aqueous amine solutions
EP1301471B1 (fr) Procede ameliore de purification et de recuperation d'acetonitrile
US4269667A (en) Acrylonitrile purification by extractive distillation
US2510806A (en) Purification of crude aliphatic alcohols
US4341600A (en) Polymerization inhibitor for vinyltoluene
EP0031097A1 (fr) Procédé de distillation d'alcool éthylique
US2565568A (en) Formaldehyde purification
US4934519A (en) Process for working up crude liquid vinyl acetate
US4551208A (en) Recovery of formic acid by distillation
KR100551461B1 (ko) 미정제 액상 비닐 아세테이트의 후처리방법
US3496069A (en) Purification of unsaturated hydrocarbons by extractive distillation with recycle of stripper overhead
US3098017A (en) Process of separating unsymmetrical dimethylhydrazine from aqueous solutions containing same
US3956406A (en) Purification of trimethylolpropane
CA2293319C (fr) Procede de production de solutions aqueuses d'hydroxylamine de grande purete
EP0016506B1 (fr) Procédé pour augmenter l'efficacité de la séparation d'une solution en ses composants volatils et non volatils
US4493752A (en) Process for recovering trioxane by plural distillation
EP0037856A1 (fr) Elimination améliorée par distillation de cyclohexanol de phénol à l'aide d'alimentation additionnelle en cyclohexanone
US3987121A (en) Process for separating alpha-pinene from beta-pinene
EP1286963B2 (fr) Verfahren zur abtrennung von ammoniak aus losungen, die caprolactam und ammoniak enthalten
US2820001A (en) Rectification process

Legal Events

Date Code Title Description
FF Patent granted
KB Patent renewed
KB Patent renewed
KB Patent renewed
KB Patent renewed
KB Patent renewed
EXP Patent expired