IT7948072A0 - Processo per il recupero di ossido di etilene contenente bassi livelli di impurita' aldeidiche - Google Patents

Processo per il recupero di ossido di etilene contenente bassi livelli di impurita' aldeidiche

Info

Publication number
IT7948072A0
IT7948072A0 IT7948072A IT4807279A IT7948072A0 IT 7948072 A0 IT7948072 A0 IT 7948072A0 IT 7948072 A IT7948072 A IT 7948072A IT 4807279 A IT4807279 A IT 4807279A IT 7948072 A0 IT7948072 A0 IT 7948072A0
Authority
IT
Italy
Prior art keywords
recovery
ethylene oxide
low levels
oxide containing
containing low
Prior art date
Application number
IT7948072A
Other languages
English (en)
Other versions
IT1117212B (it
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 IT7948072A0 publication Critical patent/IT7948072A0/it
Application granted granted Critical
Publication of IT1117212B publication Critical patent/IT1117212B/it

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)
IT48072/79A 1978-02-21 1979-02-21 Processo per il recupero di ossido di etilene contenente bassi livelli di impurita'aldeidiche IT1117212B (it)

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
IT7948072A0 true IT7948072A0 (it) 1979-02-21
IT1117212B IT1117212B (it) 1986-02-17

Family

ID=25374362

Family Applications (1)

Application Number Title Priority Date Filing Date
IT48072/79A IT1117212B (it) 1978-02-21 1979-02-21 Processo per il recupero di ossido di etilene contenente bassi livelli di impurita'aldeidiche

Country Status (17)

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

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
US4778567A (en) * 1985-07-03 1988-10-18 Nippon Shokubai Kagaku Kogyo Co. Method for purification of ethylene oxide and recovery of heat thereof
JPS642549U (it) * 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
WO2005032687A2 (en) * 2003-09-30 2005-04-14 Clark Arthur F 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
EP2154521B1 (en) * 2007-04-17 2012-08-22 ARKRAY, Inc. Method and apparatus for measuring substrate concentration
CN101925387B (zh) 2008-01-25 2013-11-06 陶氏技术投资有限公司 回流冷凝器
US7569710B1 (en) 2008-02-23 2009-08-04 Brian Ozero Ethylene oxide recovery process
US8257558B2 (en) * 2008-07-31 2012-09-04 Dow Technology Investments Llc Alkylene oxide purification systems
WO2015082605A1 (en) * 2013-12-06 2015-06-11 Shell Internationale Research Maatschappij B.V. Improvements relating to propylene oxide purification
CN107073353B (zh) * 2014-10-01 2019-12-17 国际壳牌研究有限公司 与环氧乙烷回收相关的改进
US11932615B2 (en) 2018-06-04 2024-03-19 Brian Ozero Method for recovery of ethylene oxide
US11608305B2 (en) 2019-09-16 2023-03-21 Petron Scientech, Inc. Ethylene oxide purification
CN117642217A (zh) * 2021-03-11 2024-03-01 科学设计有限公司 具有增加的循环吸水的环氧化工艺

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
JPS6251958B2 (it) 1987-11-02
CA1101877A (en) 1981-05-26
AU523074B2 (en) 1982-07-08
BE874308A (fr) 1979-08-20
DE2906698B2 (de) 1981-02-19
FR2417509B1 (it) 1982-10-22
SE448299B (sv) 1987-02-09
ES477942A1 (es) 1980-04-01
MX151397A (es) 1984-11-14
US4134797A (en) 1979-01-16
DE2906698A1 (de) 1979-08-23
NL176456C (nl) 1985-04-16
GB2015514B (en) 1982-08-04
NO155008C (no) 1987-01-28
AU4425479A (en) 1980-08-28
BR7901039A (pt) 1979-10-02
SE7901564L (sv) 1980-08-22
JPS54132510A (en) 1979-10-15
NO790572L (no) 1979-08-22
KR830000537A (ko) 1983-04-16
DE2906698C3 (de) 1982-03-18
NL7901073A (nl) 1979-08-23
AR230992A1 (es) 1984-08-31
GB2015514A (en) 1979-09-12
IT1117212B (it) 1986-02-17
NO155008B (no) 1986-10-20
FR2417509A1 (fr) 1979-09-14
KR840002431B1 (ko) 1984-12-27

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