NL176456C - Werkwijze voor de zuivering van waterige ethyleenoxyde-oplossingen. - Google Patents

Werkwijze voor de zuivering van waterige ethyleenoxyde-oplossingen.

Info

Publication number
NL176456C
NL176456C NLAANVRAGE7901073,A NL7901073A NL176456C NL 176456 C NL176456 C NL 176456C NL 7901073 A NL7901073 A NL 7901073A NL 176456 C NL176456 C NL 176456C
Authority
NL
Netherlands
Prior art keywords
purification
ethylene oxide
aqueous ethylene
oxide solutions
solutions
Prior art date
Application number
NLAANVRAGE7901073,A
Other languages
English (en)
Dutch (nl)
Other versions
NL7901073A (nl
Original Assignee
Halcon Res & Dev
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 Halcon Res & Dev filed Critical Halcon Res & Dev
Publication of NL7901073A publication Critical patent/NL7901073A/xx
Application granted granted Critical
Publication of NL176456C publication Critical patent/NL176456C/xx

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D301/00—Preparation of oxiranes
    • C07D301/32—Separation; Purification
    • 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
    • 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
    • B01D3/34—Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping with one or more auxiliary substances
    • B01D3/38—Steam 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)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Epoxy Compounds (AREA)
  • Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
NLAANVRAGE7901073,A 1978-02-21 1979-02-12 Werkwijze voor de zuivering van waterige ethyleenoxyde-oplossingen. NL176456C (nl)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/879,544 US4134797A (en) 1978-02-21 1978-02-21 Process for recovery of ethylene oxide containing low levels of aldehydic impurities

Publications (2)

Publication Number Publication Date
NL7901073A NL7901073A (nl) 1979-08-23
NL176456C true NL176456C (nl) 1985-04-16

Family

ID=25374362

Family Applications (1)

Application Number Title Priority Date Filing Date
NLAANVRAGE7901073,A NL176456C (nl) 1978-02-21 1979-02-12 Werkwijze voor de zuivering van waterige ethyleenoxyde-oplossingen.

Country Status (17)

Country Link
US (1) US4134797A (ja)
JP (1) JPS54132510A (ja)
KR (1) KR840002431B1 (ja)
AR (1) AR230992A1 (ja)
AU (1) AU523074B2 (ja)
BE (1) BE874308A (ja)
BR (1) BR7901039A (ja)
CA (1) CA1101877A (ja)
DE (1) DE2906698C3 (ja)
ES (1) ES477942A1 (ja)
FR (1) FR2417509A1 (ja)
GB (1) GB2015514B (ja)
IT (1) IT1117212B (ja)
MX (1) MX151397A (ja)
NL (1) NL176456C (ja)
NO (1) NO155008C (ja)
SE (1) SE448299B (ja)

Families Citing this family (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2453166A1 (fr) * 1979-04-06 1980-10-31 Propylox Sa Procede pour l'epuration d'oxydes d'olefines
DE3038497C2 (de) * 1980-10-11 1983-11-10 Bayer Ag, 5090 Leverkusen Verfahren und Vorrichtung zur Trennung von ein Azeotrop bildenden Gemischen
FR2553771B1 (fr) * 1983-10-19 1986-01-17 Atochem Procede et dispositif pour concentrer des solutions aqueuses d'oxyde d'ethylene
FR2558069B1 (fr) * 1984-01-17 1986-04-25 Atochem Procede d'elimination de gaz dissous dans une solution aqueuse d'oxyde d'ethylene
EP0207490B1 (en) * 1985-07-03 1991-04-24 Nippon Shokubai Kagaku Kogyo Co., Ltd Method for purification of ethylene oxide
JPS642549U (ja) * 1987-06-22 1989-01-09
FR2624859B1 (fr) * 1987-12-22 1991-03-22 Atochem Procede pour separer l'oxyde d'ethylene d'impuretes aldehydiques
DE3811524A1 (de) * 1988-04-06 1989-10-19 Solvay Werke Gmbh Verfahren und vorrichtung zur herstellung von reinst-epichlorhydrin
US5529667A (en) * 1994-12-01 1996-06-25 Hoechst Celanese Corporation Process for recovering ethylene oxide
DE19542829A1 (de) * 1995-11-17 1997-05-22 Basf Ag Verfahren zur Destillation von Ethylenoxid
DE19703627A1 (de) 1997-01-31 1998-08-06 Basf Ag Verfahren zur Ehtylenoxid-Reindestillation
US6306263B1 (en) * 1999-03-31 2001-10-23 Arco Chemical Technology, L.P. Impurities separation by distillation
FR2833951A1 (fr) * 2001-12-21 2003-06-27 Bp Chemicals Snc Procede de fabrication et de recuperation d'oxyde d'ethylene
CA2539243C (en) * 2003-09-30 2010-04-20 Arthur F. Clark Method for separating volatile components by dilutive distillation
US7404834B2 (en) * 2005-02-11 2008-07-29 Sd Lizenzverwertungsgesellschaft Mbh & Co. Kg Lenbachplatz 6 Ethylene oxide plant operation
PE20070158A1 (es) * 2005-05-10 2007-03-02 Shell Int Research Proceso y dispositivo para recuperar oxido de etileno de un absorbente graso
JP5054765B2 (ja) * 2007-04-17 2012-10-24 アークレイ株式会社 基質濃度測定方法および基質濃度測定装置
CA2712985C (en) 2008-01-25 2016-08-09 Dow Technology Investments Llc Reflux condenser
US7569710B1 (en) 2008-02-23 2009-08-04 Brian Ozero Ethylene oxide recovery process
US8845863B2 (en) 2008-07-31 2014-09-30 Dow Technology Investments Llc Alkylene oxide purification processes and systems
RU2672591C1 (ru) * 2013-12-06 2018-11-16 Шелл Интернэшнл Рисерч Маатсхаппий Б.В. Улучшения, относящиеся к очистке пропиленоксида
US10035782B2 (en) 2014-10-01 2018-07-31 Shell Oil Company Relating to ethylene oxide recovery
EP3801803A4 (en) 2018-06-04 2022-03-16 Brian Ozero PROCESS FOR RECOVERING ETHYLENE OXIDE
WO2021055174A1 (en) 2019-09-16 2021-03-25 Petron Scientech, Inc. Ethylene oxide purification
US20220289702A1 (en) * 2021-03-11 2022-09-15 Scientific Design Company, Inc. Epoxidation process with increased cycle water absorption

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2615901A (en) * 1949-05-11 1952-10-28 Jefferson Chem Co Inc Process of producing ethylene oxide substantially free of acetaldehyde
US3398062A (en) * 1965-02-10 1968-08-20 Lummus Co Olefin oxide purification by fractional distillation followed by side stream stripping
US3418338A (en) * 1966-02-28 1968-12-24 Halcon International Inc Water extractive distillation of an ethylene oxide stream containing formaldehyde
US3531376A (en) * 1968-12-23 1970-09-29 Mitsubishi Chem Ind Purification of acetone by extractive distillation and rectification with simultaneous alkali-containing acetone solution contact and halogen impurity side stream removal
US4008131A (en) * 1975-12-11 1977-02-15 Monsanto Company Purification of acetic acid

Also Published As

Publication number Publication date
NL7901073A (nl) 1979-08-23
DE2906698A1 (de) 1979-08-23
JPS54132510A (en) 1979-10-15
KR840002431B1 (ko) 1984-12-27
CA1101877A (en) 1981-05-26
AU4425479A (en) 1980-08-28
US4134797A (en) 1979-01-16
IT7948072A0 (it) 1979-02-21
IT1117212B (it) 1986-02-17
FR2417509B1 (ja) 1982-10-22
MX151397A (es) 1984-11-14
NO155008B (no) 1986-10-20
BE874308A (fr) 1979-08-20
FR2417509A1 (fr) 1979-09-14
ES477942A1 (es) 1980-04-01
KR830000537A (ko) 1983-04-16
BR7901039A (pt) 1979-10-02
SE448299B (sv) 1987-02-09
AU523074B2 (en) 1982-07-08
JPS6251958B2 (ja) 1987-11-02
GB2015514B (en) 1982-08-04
NO155008C (no) 1987-01-28
DE2906698B2 (de) 1981-02-19
SE7901564L (sv) 1980-08-22
NO790572L (no) 1979-08-22
DE2906698C3 (de) 1982-03-18
GB2015514A (en) 1979-09-12
AR230992A1 (es) 1984-08-31

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Legal Events

Date Code Title Description
A1A 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
A85 Still pending on 85-01-01
SNR Assignments of patents or rights arising from examined patent applications

Owner name: SCIENTIFIC DESIGN COMPANY, INC.

V1 Lapsed because of non-payment of the annual fee