ES2169889T3 - Procedimiento para la purificacion de hidroxipivalato de neopentilglicol (hpn). - Google Patents

Procedimiento para la purificacion de hidroxipivalato de neopentilglicol (hpn).

Info

Publication number
ES2169889T3
ES2169889T3 ES98112986T ES98112986T ES2169889T3 ES 2169889 T3 ES2169889 T3 ES 2169889T3 ES 98112986 T ES98112986 T ES 98112986T ES 98112986 T ES98112986 T ES 98112986T ES 2169889 T3 ES2169889 T3 ES 2169889T3
Authority
ES
Spain
Prior art keywords
discharged
iii
partly
evaporator
condensed
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.)
Expired - Lifetime
Application number
ES98112986T
Other languages
English (en)
Inventor
Heinz Auer
Siegfried Kruger
Stephan Dr Scholl
Theodor Weber
Johann-Peter Dr Melder
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.)
BASF SE
Original Assignee
BASF SE
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 BASF SE filed Critical BASF SE
Application granted granted Critical
Publication of ES2169889T3 publication Critical patent/ES2169889T3/es
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D3/00—Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping
    • B01D3/14—Fractional distillation or use of a fractionation or rectification column
    • B01D3/32—Other features of fractionating columns ; Constructional details of fractionating columns not provided for in groups B01D3/16 - B01D3/30
    • B01D3/322—Reboiler specifications
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D3/00—Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping
    • B01D3/14—Fractional distillation or use of a fractionation or rectification column
    • B01D3/143—Fractional distillation or use of a fractionation or rectification column by two or more of a fractionation, separation or rectification step
    • B01D3/148—Fractional distillation or use of a fractionation or rectification column by two or more of a fractionation, separation or rectification step in combination with at least one evaporator
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C67/00—Preparation of carboxylic acid esters
    • C07C67/48—Separation; Purification; Stabilisation; Use of additives
    • C07C67/52—Separation; Purification; Stabilisation; Use of additives by change in the physical state, e.g. crystallisation
    • C07C67/54—Separation; Purification; Stabilisation; Use of additives by change in the physical state, e.g. crystallisation by distillation
    • Y—GENERAL 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S203/00—Distillation: processes, separatory
    • Y10S203/20—Power plant

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)

Abstract

EN UN PROCEDIMIENTO PARA LA OBTENCION DE ESTERES GLICOLICOS DE NEOPENTILO DEL ACIDO HIDROXIPIVALINICO (HPN) A PARTIR DE UNA MEZCLA QUE CONTIENE HPN, PRODUCTOS DE BAJO Y ELEVADO PUNTO DE EBULLICION Y SALES INORGANICAS SE LLEVA LA MEZCLA EN UNA PRIMERA ETAPA QUE CONSTA DE UN EVAPORADOR DE LAMINA Y UN INTERCAMBIADOR DE CALOR - SE LLEVA AL EVAPORADOR DE LAMINA, - SE SACA COMO RESIDUO UNA CORRIENTE DE LOS PRODUCTOS DE ELEVADO PUNTO DE EBULLICION Y DE LAS SALES INORGANICAS - Y SE SACA MEDIANTE UNA CORRIENTE EN FORMA DE VAPOR Y POR LA CABEZA UNA CORRIENTE DE PRODUCTOS DE BAJO Y ELEVADO PUNTO DE EBULLICION Y HPN, SE LLEVA AL INTERCAMBIADOR DE CALOR Y EN EL SE CONDENSA Y SE OBTIENE UNA CORRIENTE DE CONDENSADO EN UNA SEGUNDA ETAPA A PARTIR DE UNA COLUMNA DE RECTIFICACION Y PARA SEPARAR EL HPN DE LOS PRODUCTOS DE BAJO Y ELEVADO PUNTO DE EBULLICION, CON OTRO SEGUNDO INTERCAMBIADOR DE CALOR - SE LLEVA A LA COLUMNA, - SE SACA POR LA CABEZA UNA CORRIENTE EN FORMA DE VAPOR FORMADA POR LOS PRODUCTOS DE BAJOPUNTO DE EBULLICION Y SE CONDENSA EN UN INTERCAMBIADOR DE CALOR, - SE RECICLA EL CONDENSADO OBTENIDO OPCIONALMENTE Y PARCIALMENTE COMO RECICLAMIENTO SOBRE LA COLUMNA DE RECTIFICACION, Y PARCIALMENTE SE SACA COMO PRODUCTOS DE BAJO PUNTO DE EBULLICION, - SE SACA POR UNA SALIDA LATERAL UNA CORRIENTE EN FORMA DE VAPOR DE HPN Y SE CONDENSA EN UN INTERCAMBIADOR DE CALOR, - SE SACA COMO RESIDUO UNA CORRIENTE DE HPN Y PRODUCTOS DE ELEVADO PUNTO DE EBULLICION, QUE PARCIALMENTE SE LLEVAN AL SEGUNDO EVAPORADOR, RECICLANDOSE LA SALIDA DE EVAPORADOR TOTAL O PARCIALMENTE A LA ZONA BAJA DE LA COLUMNA.
ES98112986T 1997-08-05 1998-07-13 Procedimiento para la purificacion de hidroxipivalato de neopentilglicol (hpn). Expired - Lifetime ES2169889T3 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19733903A DE19733903A1 (de) 1997-08-05 1997-08-05 Verfahren zur Gewinnung von Hydroxxpivalinsäureneopentylglykolester (HPN)

Publications (1)

Publication Number Publication Date
ES2169889T3 true ES2169889T3 (es) 2002-07-16

Family

ID=7838079

Family Applications (1)

Application Number Title Priority Date Filing Date
ES98112986T Expired - Lifetime ES2169889T3 (es) 1997-08-05 1998-07-13 Procedimiento para la purificacion de hidroxipivalato de neopentilglicol (hpn).

Country Status (6)

Country Link
US (1) US6048441A (es)
EP (1) EP0895982B1 (es)
JP (1) JP4386484B2 (es)
AT (1) ATE210626T1 (es)
DE (2) DE19733903A1 (es)
ES (1) ES2169889T3 (es)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL1013682C2 (nl) * 1999-11-26 2001-05-30 Purac Biochem Bv Werkwijze en inrichting voor het zuiveren van een waterige oplossing van melkzuur.
DE102004012904A1 (de) 2004-03-17 2005-10-06 Bayer Chemicals Ag Verfahren zur kontinuierlichen Zerlegung von Stoffgemischen
US7767865B2 (en) 2007-03-02 2010-08-03 Basf Se Method for producing hydroxypivalaldehyde and neopentyl glycol
BRPI1006870A2 (pt) 2009-01-12 2016-03-15 Basf Se processo para recuperar componentes de uma mistura de baixo ponto de ebulição
KR101530102B1 (ko) * 2010-12-29 2015-06-18 주식회사 엘지화학 네오펜틸글리콜 정제를 위한 분리벽형 증류탑 및 이를 이용한 정제방법
CN103263780A (zh) * 2013-05-22 2013-08-28 华南理工大学 一种薄膜填料蒸发器
CN103382069B (zh) * 2013-06-26 2014-12-10 宁波职业技术学院 一种乙二醇回收装置废液的处理方法
WO2017005565A1 (de) * 2015-07-03 2017-01-12 Basf Se Destillationseinrichtung umfassend eine kolonne, mit drei oder mehreren hintereinander flüssigkeitsdurchströmten zellen und verfahren zur destillation oder extraktivdestillation unter verwendung der destillationseinrichtung
US10793494B2 (en) * 2016-02-05 2020-10-06 Basf Se Method for separating materials by means of an extractive distillation process
WO2022106685A1 (de) * 2020-11-23 2022-05-27 Covestro Deutschland Ag Destillationseinheit und verfahren zur trennung eines flüssigen stoffgemisches in 2 bis 6 flüssige produktströme unterschiedlicher zusammensetzung
JP7764669B2 (ja) * 2022-09-08 2025-11-06 エルジー・ケム・リミテッド ネオペンチルグリコールの製造方法
US20250109084A1 (en) * 2022-09-08 2025-04-03 Lg Chem, Ltd. Method for preparing neopentyl glycol
EP4397647B1 (en) * 2022-09-08 2025-10-29 LG Chem, Ltd. Method for preparing neopentyl glycol

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1643671B1 (de) * 1967-10-06 1971-08-12 Basf Ag Verfahren zur Reinigung von 2,2-Dimethyl-1,3-propandiol-monohydroxypivalinsaeureester
DE1932420C3 (de) * 1969-06-26 1975-07-03 Basf Ag, 6700 Ludwigshafen Verfahren zur Reinigung von 2,2-Dimethyl-1,3-propandlol-mono-hydroxyplvalinsäureester
US3769177A (en) * 1971-11-10 1973-10-30 Monsanto Co Purification of carboxylic acids by plural stage distillation with side stream draw-offs
DE2234358C3 (de) * 1972-07-13 1975-07-10 Basf Ag, 6700 Ludwigshafen Verfahren zur Abtrennung basischer, anorganischer Verbindungen aus dem Reaktionsgemisch der Herstellung von 2,2-Dimethyl-1,3-propandiol-monohydroxypivalinsäure-ester
US3878029A (en) * 1973-11-26 1975-04-15 Artisan Ind Compact multistage wiped-film evaporator apparatus
DE3432577A1 (de) * 1984-09-05 1986-03-13 Basf Ag, 6700 Ludwigshafen Verfahren zur gewinnung von hydroxypivalinsaeureneopentylglykolester
US4935555A (en) * 1988-11-25 1990-06-19 Elias Carole L Purification of neopentyl glycol
US5024772A (en) * 1989-07-10 1991-06-18 Basf Corporation Method of producing HPN and mixtures thereof
US5209827A (en) * 1990-10-29 1993-05-11 Eastman Kodak Company Process for the purification of hydroxypivalyl hydroxypivalate

Also Published As

Publication number Publication date
DE59802407D1 (de) 2002-01-31
US6048441A (en) 2000-04-11
ATE210626T1 (de) 2001-12-15
JP4386484B2 (ja) 2009-12-16
EP0895982A1 (de) 1999-02-10
DE19733903A1 (de) 1999-02-11
EP0895982B1 (de) 2001-12-12
JPH11130727A (ja) 1999-05-18

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