NL8300066A - Werkwijze voor de verwijdering van overmaat water uit ruw 1,4-butaandiol. - Google Patents

Werkwijze voor de verwijdering van overmaat water uit ruw 1,4-butaandiol. Download PDF

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Publication number
NL8300066A
NL8300066A NL8300066A NL8300066A NL8300066A NL 8300066 A NL8300066 A NL 8300066A NL 8300066 A NL8300066 A NL 8300066A NL 8300066 A NL8300066 A NL 8300066A NL 8300066 A NL8300066 A NL 8300066A
Authority
NL
Netherlands
Prior art keywords
water
butanediol
column
bad
crude
Prior art date
Application number
NL8300066A
Other languages
English (en)
Dutch (nl)
Original Assignee
Du Pont
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 Du Pont filed Critical Du Pont
Publication of NL8300066A publication Critical patent/NL8300066A/nl

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Classifications

    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C29/00Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring
    • C07C29/74Separation; Purification; Use of additives, e.g. for stabilisation
    • C07C29/76Separation; Purification; Use of additives, e.g. for stabilisation by physical treatment
    • C07C29/80Separation; Purification; Use of additives, e.g. for stabilisation by physical treatment by 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
    • B01D3/10Vacuum distillation
    • 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
    • Y10S203/00Distillation: processes, separatory
    • Y10S203/20Power plant

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)
NL8300066A 1982-01-11 1983-01-10 Werkwijze voor de verwijdering van overmaat water uit ruw 1,4-butaandiol. NL8300066A (nl)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US06/338,475 US4419189A (en) 1982-01-11 1982-01-11 Distillation of 1,4-butanediol
US33847582 1982-01-11

Publications (1)

Publication Number Publication Date
NL8300066A true NL8300066A (nl) 1983-08-01

Family

ID=23324962

Family Applications (1)

Application Number Title Priority Date Filing Date
NL8300066A NL8300066A (nl) 1982-01-11 1983-01-10 Werkwijze voor de verwijdering van overmaat water uit ruw 1,4-butaandiol.

Country Status (4)

Country Link
US (1) US4419189A (cs)
JP (1) JPS58121228A (cs)
DE (1) DE3300720A1 (cs)
NL (1) NL8300066A (cs)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH07116081B2 (ja) * 1986-12-22 1995-12-13 ダイセル化学工業株式会社 1,3−ブチレングリコ−ルの精製法
US5209825A (en) * 1988-10-04 1993-05-11 E. I. Du Pont De Nemours And Company Preparation of purified concentrated BDO
JP3369707B2 (ja) * 1994-03-17 2003-01-20 ダイセル化学工業株式会社 1,3−ブチレングリコ−ルの精製方法
EP0790971B1 (en) * 1994-11-08 2001-02-07 E.I. Du Pont De Nemours And Company Process for the removal of color forming material from 1,4 butanediol and its application to the preparation of ptmeg
DE19601375C2 (de) 1996-01-16 1998-09-17 Linde Ag Verfahren zur Herstellung von Tetrahydrofuran

Family Cites Families (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA529118A (en) 1956-08-14 General Aniline And Film Corporation Purification of butanediol
US2629686A (en) * 1950-08-25 1953-02-24 Gen Aniline & Film Corp Purification of butanediol
DE973613C (de) 1951-09-27 1960-04-14 Gen Aniline & Film Corp Verfahren zur Reinigung von 1, 4-Butandiol
US2768214A (en) * 1952-01-17 1956-10-23 Gen Aniline & Film Corp Elimination of color-forming impurities from 1, 4-butanediol
DE959366C (de) 1953-10-30 1957-03-07 Bayer Ag Verfahren zur Herstellung von reinem 1, 4-Butandiol
DE1025852B (de) 1954-11-19 1958-03-13 Basf Ag Verfahren zur Gewinnung reiner Glykole
US2950326A (en) * 1957-12-31 1960-08-23 Gen Aniline & Film Corp Hydrogenation of 1, 4-butynediol to 1, 4-butanediol
US2967893A (en) * 1958-12-30 1961-01-10 Gen Aniline & Film Corp Hydrogenation of 2-butyne-1, 4-diol to 1, 4-butanediol
DE2055892C3 (de) * 1970-11-13 1979-08-16 Basf Ag, 6700 Ludwigshafen Verfahren zur Reinigung von Butandiol
US3852164A (en) * 1973-03-30 1974-12-03 S Chow Purification of 1,4-butanediol by vacuum distillation with side stream recovery
US3945891A (en) * 1974-06-20 1976-03-23 Fmc Corporation Distillation process for purification of triaryl phosphate esters
JPS5156405A (en) * 1974-11-14 1976-05-18 Du Pont 1*44 butanjiooruno seiseiho
JPS581085B2 (ja) * 1975-03-14 1983-01-10 三菱瓦斯化学株式会社 メタノ−ルノ セイセイホウホウ
JPS5217404A (en) * 1975-07-29 1977-02-09 Mitsubishi Chem Ind Ltd Process for separation of butanediol
JPS5219610A (en) * 1975-08-04 1977-02-15 Mitsubishi Chem Ind Ltd Process for preparation of high purity butanediol
US4032583A (en) * 1975-08-08 1977-06-28 Petro-Tex Chemical Corporation Purification of 1,4-butanediol
US4032458A (en) * 1975-08-08 1977-06-28 Petro-Tex Chemical Corporation Production of 1,4-butanediol
JPS5387305A (en) * 1977-01-07 1978-08-01 Mitsubishi Chem Ind Ltd Preparation of 1,4-butanediol and tetrahydrofuran
JPS53119807A (en) * 1977-03-28 1978-10-19 Kuraray Co Ltd Separation of butanediol
US4162145A (en) * 1977-12-09 1979-07-24 Phillips Petroleum Company Regeneration of liquid absorbents

Also Published As

Publication number Publication date
US4419189A (en) 1983-12-06
DE3300720A1 (de) 1983-07-21
JPS58121228A (ja) 1983-07-19
JPH057378B2 (cs) 1993-01-28

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Legal Events

Date Code Title Description
A85 Still pending on 85-01-01
BA A request for search or an international-type search has been filed
BB A search report has been drawn up
BC A request for examination has been filed
BV The patent application has lapsed