BR8806786A - Processo para separar o oxido de etileno de impurezas aldeidicas - Google Patents

Processo para separar o oxido de etileno de impurezas aldeidicas

Info

Publication number
BR8806786A
BR8806786A BR888806786A BR8806786A BR8806786A BR 8806786 A BR8806786 A BR 8806786A BR 888806786 A BR888806786 A BR 888806786A BR 8806786 A BR8806786 A BR 8806786A BR 8806786 A BR8806786 A BR 8806786A
Authority
BR
Brazil
Prior art keywords
aldeidic
impurities
ethylene oxide
separate ethylene
separate
Prior art date
Application number
BR888806786A
Other languages
English (en)
Inventor
Francis Delannoy
Gerard Letray
Original Assignee
Atochem
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 Atochem filed Critical Atochem
Publication of BR8806786A publication Critical patent/BR8806786A/pt

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D301/00—Preparation of oxiranes
    • C07D301/32—Separation; Purification

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Epoxy Compounds (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
BR888806786A 1987-12-22 1988-12-21 Processo para separar o oxido de etileno de impurezas aldeidicas BR8806786A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8718246A FR2624859B1 (fr) 1987-12-22 1987-12-22 Procede pour separer l'oxyde d'ethylene d'impuretes aldehydiques

Publications (1)

Publication Number Publication Date
BR8806786A true BR8806786A (pt) 1989-08-29

Family

ID=9358364

Family Applications (1)

Application Number Title Priority Date Filing Date
BR888806786A BR8806786A (pt) 1987-12-22 1988-12-21 Processo para separar o oxido de etileno de impurezas aldeidicas

Country Status (14)

Country Link
US (1) US4966657A (pt)
EP (1) EP0322323B1 (pt)
JP (1) JPH0629274B2 (pt)
KR (1) KR940002256B1 (pt)
CN (1) CN1020099C (pt)
AR (1) AR244219A1 (pt)
AT (1) ATE86618T1 (pt)
BR (1) BR8806786A (pt)
CA (1) CA1333266C (pt)
DE (2) DE322323T1 (pt)
ES (1) ES2009732T3 (pt)
FR (1) FR2624859B1 (pt)
GR (1) GR890300117T1 (pt)
RU (1) RU1776258C (pt)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5529667A (en) * 1994-12-01 1996-06-25 Hoechst Celanese Corporation Process for recovering ethylene oxide
DE19703627A1 (de) * 1997-01-31 1998-08-06 Basf Ag Verfahren zur Ehtylenoxid-Reindestillation
FR2833951A1 (fr) * 2001-12-21 2003-06-27 Bp Chemicals Snc Procede de fabrication et de recuperation d'oxyde d'ethylene
PE20070158A1 (es) * 2005-05-10 2007-03-02 Shell Int Research Proceso y dispositivo para recuperar oxido de etileno de un absorbente graso
JP4963022B2 (ja) * 2005-11-25 2012-06-27 株式会社日本触媒 エポキシ化合物の製造方法
US8535510B2 (en) * 2007-04-17 2013-09-17 Arkray, Inc. Method for measuring substrate concentration and apparatus for measuring substrate concentration
CA2712985C (en) 2008-01-25 2016-08-09 Dow Technology Investments Llc Reflux condenser
US8183400B2 (en) * 2008-07-31 2012-05-22 Dow Technology Investments Llc Alkylene oxide recovery systems
CN103285611B (zh) * 2012-03-05 2015-05-13 中国石油化工集团公司 一种乙二醇转产精环氧乙烷的装置及方法
CN111790246A (zh) * 2019-04-08 2020-10-20 北京天赐创新科技有限公司 环氧乙烷灭菌柜的废气循环利用处理装置

Family Cites Families (9)

* 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
US3165539A (en) * 1960-07-08 1965-01-12 Halcon International Inc Recovery of ethylene oxide from a liquid mixture thereof with normally gaseous impurities
US3265593A (en) * 1962-10-08 1966-08-09 Union Carbide Corp Removal of acetaldehyde from ethylene oxide by extractive distillation
US3418338A (en) * 1966-02-28 1968-12-24 Halcon International Inc Water extractive distillation of an ethylene oxide stream containing formaldehyde
US3745092A (en) * 1971-01-11 1973-07-10 Shell Oil Co Recovery and purification of ethylene oxide by distillation and absorption
JPS4934649A (pt) * 1972-08-02 1974-03-30
US4134797A (en) * 1978-02-21 1979-01-16 Halcon Research & Development Corporation Process for recovery of ethylene oxide containing low levels of aldehydic impurities
FR2553771B1 (fr) * 1983-10-19 1986-01-17 Atochem Procede et dispositif pour concentrer des solutions aqueuses d'oxyde d'ethylene
DE3678871D1 (de) * 1985-07-03 1991-05-29 Nippon Catalytic Chem Ind Verfahren zur reinigung von ethylenoxid.

Also Published As

Publication number Publication date
DE322323T1 (de) 1989-12-07
EP0322323B1 (fr) 1993-03-10
KR890009905A (ko) 1989-08-04
ATE86618T1 (de) 1993-03-15
CA1333266C (fr) 1994-11-29
AR244219A1 (es) 1993-10-29
DE3879142T2 (de) 1993-08-19
US4966657A (en) 1990-10-30
FR2624859B1 (fr) 1991-03-22
JPH0629274B2 (ja) 1994-04-20
CN1034540A (zh) 1989-08-09
JPH01203375A (ja) 1989-08-16
FR2624859A1 (fr) 1989-06-23
DE3879142D1 (de) 1993-04-15
ES2009732T3 (es) 1994-08-01
GR890300117T1 (en) 1990-01-19
RU1776258C (ru) 1992-11-15
KR940002256B1 (ko) 1994-03-19
ES2009732A4 (es) 1989-10-16
EP0322323A1 (fr) 1989-06-28
CN1020099C (zh) 1993-03-17

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Legal Events

Date Code Title Description
FB19 Grant procedure suspended (art. 19)
FB19 Grant procedure suspended (art. 19)
FF Decision: intention to grant
KD Notifcation of receipt (letter patent)
FG Letter patent granted
B21A Patent or certificate of addition expired [chapter 21.1 patent gazette]

Free format text: PATENTE EXTINTA EM 21/12/2003