BR0109916A - Purificação de glicol - Google Patents

Purificação de glicol

Info

Publication number
BR0109916A
BR0109916A BR0109916-7A BR0109916A BR0109916A BR 0109916 A BR0109916 A BR 0109916A BR 0109916 A BR0109916 A BR 0109916A BR 0109916 A BR0109916 A BR 0109916A
Authority
BR
Brazil
Prior art keywords
aldehydes
glycol purification
acetaldehyde
formaldehyde
contacted
Prior art date
Application number
BR0109916-7A
Other languages
English (en)
Other versions
BR0109916B1 (pt
Inventor
Mansoor Husain
Original Assignee
Scient Design Co
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 Scient Design Co filed Critical Scient Design Co
Publication of BR0109916A publication Critical patent/BR0109916A/pt
Publication of BR0109916B1 publication Critical patent/BR0109916B1/pt

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C29/00—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring
    • C07C29/74—Separation; Purification; Use of additives, e.g. for stabilisation
    • C07C29/88—Separation; Purification; Use of additives, e.g. for stabilisation by treatment giving rise to a chemical modification of at least one compound
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C29/00—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring
    • C07C29/74—Separation; Purification; Use of additives, e.g. for stabilisation
    • C07C29/76—Separation; Purification; Use of additives, e.g. for stabilisation by physical treatment

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Removal Of Specific Substances (AREA)
  • Saccharide Compounds (AREA)
  • Polysaccharides And Polysaccharide Derivatives (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
  • Furan Compounds (AREA)
  • Cleaning Or Drying Semiconductors (AREA)

Abstract

"PURIFICAçãO DE GLICOL". Uma solução aquosa de etilenoglicol contendo aldeídos tais como formaldeído, acetaldeído e semelhantes é contatada com uma resina trocadora de ânion de base forte tratada com bissulfito sólido, e uma solução reduzida em teor de aldeído é separada.
BRPI0109916-7A 2000-04-06 2001-03-30 método para reduzir o teor de aldeìdos de uma solução aquosa de etilenoglicol contendo aldeìdos. BR0109916B1 (pt)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US09/544,029 2000-04-06
US09/544,029 US6187973B1 (en) 2000-04-06 2000-04-06 Glycol purification
PCT/US2001/010406 WO2001077049A1 (en) 2000-04-06 2001-03-30 Glycol purification

Publications (2)

Publication Number Publication Date
BR0109916A true BR0109916A (pt) 2005-10-18
BR0109916B1 BR0109916B1 (pt) 2012-10-30

Family

ID=24170488

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI0109916-7A BR0109916B1 (pt) 2000-04-06 2001-03-30 método para reduzir o teor de aldeìdos de uma solução aquosa de etilenoglicol contendo aldeìdos.

Country Status (13)

Country Link
US (1) US6187973B1 (pt)
EP (1) EP1268377B1 (pt)
AT (1) ATE367370T1 (pt)
AU (2) AU4791201A (pt)
BG (1) BG65962B1 (pt)
BR (1) BR0109916B1 (pt)
DE (1) DE60129421T2 (pt)
DK (1) DK1268377T3 (pt)
ES (1) ES2290122T3 (pt)
PT (1) PT1268377E (pt)
RO (1) RO121025B1 (pt)
RU (1) RU2265584C2 (pt)
WO (1) WO2001077049A1 (pt)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2221766C1 (ru) * 2002-07-30 2004-01-20 Белокурова Ирина Николаевна Способ очистки отработанного антифриза на основе водно-этиленгликолевого раствора от продуктов окисления этиленгликоля, продуктов коррозии и механических примесей
US7182841B2 (en) * 2003-04-23 2007-02-27 Huntsman International Llc Purification of solvents used for the purification of alkylene oxide
TW200838838A (en) * 2006-12-22 2008-10-01 Dow Technology Investments Llc Process for reducing side-reactions during alkylene glycol and poly-alkylene glycol manufacturing
WO2009094103A1 (en) 2008-01-25 2009-07-30 Dow Technology Investments Llc Reflux condenser
CN106242945A (zh) * 2008-11-10 2016-12-21 陶氏技术投资有限公司 用于生产低色素二醇的方法
BR112015026194A2 (pt) 2013-04-15 2017-07-25 Scient Design Co processo de epoxidação
CN106866366B (zh) * 2015-12-12 2020-05-05 中国科学院大连化学物理研究所 一种去除乙二醇中二元醇或多元醇杂质并增产乙二醇的方法
EP3497088B1 (en) 2016-08-09 2021-12-29 Scientific Design Company, Inc. Epoxidation process
RU2622395C1 (ru) * 2016-08-15 2017-06-15 Публичное акционерное общество "СИБУР Холдинг" Способ очистки гликолей от примесей
WO2019097407A1 (en) 2017-11-16 2019-05-23 Sabic Global Technologies B.V. Reactive polymeric resin for removal of aldehydes
CN109293475A (zh) * 2018-11-15 2019-02-01 北京兴高化学技术有限公司 煤制乙二醇精制方法及系统
US12303859B2 (en) 2019-08-27 2025-05-20 Sabic Global Technologies B.V. Mass transfer swirler including distribution member
CN112441880B (zh) * 2019-09-02 2023-04-07 中国石油化工股份有限公司 用于乙二醇脱醛精制的脱醛剂及乙二醇脱醛精制的方法
US11926540B2 (en) 2021-03-05 2024-03-12 Scientific Design Company, Inc. Cycle water treatment process for ethlyene epoxidation
EP4724514A1 (de) 2023-06-06 2026-04-15 Zschimmer & Schwarz Chemie GmbH Verfahren zur mindestens teilweisen entfernung von aldehyden aus einer zusammensetzung enthaltend mindestens eine verbindung mit mindestens einer alkylenoxideinheit

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3904656A (en) 1973-02-13 1975-09-09 Ppg Industries Inc Process for preparing monoethylene glycol and ethylene oxide
FR2295938A1 (fr) 1974-12-24 1976-07-23 Naphtachimie Sa Separation des glycols contenus dans des solutions residuaires
IT1063805B (it) 1976-11-17 1985-02-18 Snam Progetti Procedimento per la produzione di glicoli etilenici ad alta purezza
DE3001727A1 (de) 1980-01-18 1981-07-23 Hoechst Ag, 6000 Frankfurt Verfahren zur herstellung von hochreinem monoethylenglykol
US4560813A (en) 1984-03-28 1985-12-24 Union Carbide Corporation Processes for the production of alkylene glycol in the presence of organometalate
CA1330350C (en) * 1986-10-07 1994-06-21 Thomas Martin Schmitt Method for purification of ethylene glycol
US5440058A (en) 1994-06-07 1995-08-08 Union Carbide Chemicals & Plastics Technology Corporation Method for separating compounds in process streams
RU2122995C1 (ru) * 1997-09-09 1998-12-10 Швец Валерий Федорович Способ получения алкиленгликолей
CN1069605C (zh) * 1998-08-20 2001-08-15 南亚塑胶工业股份有限公司 从乙二醇制程水中去除甲酸、乙酸的方法和装置

Also Published As

Publication number Publication date
BG107154A (bg) 2003-05-30
EP1268377A4 (en) 2005-09-21
WO2001077049A1 (en) 2001-10-18
PT1268377E (pt) 2007-10-24
EP1268377B1 (en) 2007-07-18
DE60129421D1 (de) 2007-08-30
ES2290122T3 (es) 2008-02-16
DE60129421T2 (de) 2008-04-17
RU2265584C2 (ru) 2005-12-10
DK1268377T3 (da) 2007-11-12
US6187973B1 (en) 2001-02-13
RO121025B1 (ro) 2006-11-30
EP1268377A1 (en) 2003-01-02
BR0109916B1 (pt) 2012-10-30
AU4791201A (en) 2001-10-23
ATE367370T1 (de) 2007-08-15
BG65962B1 (bg) 2010-07-30
AU2001247912B2 (en) 2005-10-27

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Legal Events

Date Code Title Description
B07A Application suspended after technical examination (opinion) [chapter 7.1 patent gazette]
B09A Decision: intention to grant [chapter 9.1 patent gazette]
B16A Patent or certificate of addition of invention granted [chapter 16.1 patent gazette]

Free format text: PRAZO DE VALIDADE: 10 (DEZ) ANOS CONTADOS A PARTIR DE 30/10/2012, OBSERVADAS AS CONDICOES LEGAIS.

B21A Patent or certificate of addition expired [chapter 21.1 patent gazette]

Free format text: PATENTE EXTINTA EM 30.10.2022