DE60314372D1 - Verfahren zur herstellung von hochreinen kristallen von glykolsäure - Google Patents

Verfahren zur herstellung von hochreinen kristallen von glykolsäure

Info

Publication number
DE60314372D1
DE60314372D1 DE60314372T DE60314372T DE60314372D1 DE 60314372 D1 DE60314372 D1 DE 60314372D1 DE 60314372 T DE60314372 T DE 60314372T DE 60314372 T DE60314372 T DE 60314372T DE 60314372 D1 DE60314372 D1 DE 60314372D1
Authority
DE
Germany
Prior art keywords
glycolic acid
crystals
solution
mass
producing high
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Lifetime
Application number
DE60314372T
Other languages
English (en)
Other versions
DE60314372T2 (de
Inventor
Yoshito Kuroda
Harumi Watanabe
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Asahi Kasei Chemicals Corp
Original Assignee
Asahi Kasei Chemicals Corp
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 Asahi Kasei Chemicals Corp filed Critical Asahi Kasei Chemicals Corp
Publication of DE60314372D1 publication Critical patent/DE60314372D1/de
Application granted granted Critical
Publication of DE60314372T2 publication Critical patent/DE60314372T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
    • C07C51/42—Separation; Purification; Stabilisation; Use of additives
    • C07C51/43—Separation; Purification; Stabilisation; Use of additives by change of the physical state, e.g. crystallisation

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
DE60314372T 2002-01-29 2003-01-29 Verfahren zur herstellung von hochreinen kristallen von glykolsäure Expired - Lifetime DE60314372T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2002020037 2002-01-29
JP2002020037 2002-01-29
PCT/JP2003/000858 WO2003064366A1 (fr) 2002-01-29 2003-01-29 Procede de production de cristaux d'acide glycolique de purete elevee

Publications (2)

Publication Number Publication Date
DE60314372D1 true DE60314372D1 (de) 2007-07-26
DE60314372T2 DE60314372T2 (de) 2008-02-21

Family

ID=27654318

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60314372T Expired - Lifetime DE60314372T2 (de) 2002-01-29 2003-01-29 Verfahren zur herstellung von hochreinen kristallen von glykolsäure

Country Status (7)

Country Link
US (1) US7164040B2 (de)
EP (1) EP1471048B1 (de)
JP (1) JP3989002B2 (de)
CN (1) CN1286793C (de)
AT (1) ATE364589T1 (de)
DE (1) DE60314372T2 (de)
WO (1) WO2003064366A1 (de)

Families Citing this family (30)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10308045B3 (de) * 2003-02-26 2004-06-17 Lurgi Ag Verfahren und Vorrichtung zur kontinuierlichen Gewinnung freier Weinsäure aus Kaliumhydrogentartrat enthaltenden Rohstoffen
JP5355841B2 (ja) * 2004-12-17 2013-11-27 株式会社クレハ グリコール酸の連続精製方法、グリコリドの製造方法およびポリグリコール酸の製造方法
US20060160198A1 (en) * 2004-12-22 2006-07-20 Xu Li Method for the production of glycolic acid from ammonium glycolate by direct deammoniation
JP4933743B2 (ja) * 2005-03-31 2012-05-16 三菱レイヨン株式会社 マンデル酸類の製造方法
KR100974693B1 (ko) * 2005-10-26 2010-08-06 미쓰이 가가쿠 가부시키가이샤 글리콜산의 제조방법
JP4906395B2 (ja) * 2006-05-01 2012-03-28 旭化成ケミカルズ株式会社 高純度グリコール酸水溶液の製造法
JP4954616B2 (ja) * 2006-06-19 2012-06-20 株式会社クレハ グリコリドの製造方法およびグリコリド製造用グリコール酸オリゴマー
JP5280007B2 (ja) 2006-08-02 2013-09-04 株式会社クレハ ヒドロキシカルボン酸の精製方法、環状エステルの製造方法およびポリヒドロキシカルボン酸の製造方法
US7439391B2 (en) * 2006-10-12 2008-10-21 E.I. Du Pont De Nemours And Company Multi-stage glycolic acid crystallization
US7547358B1 (en) * 2008-03-03 2009-06-16 Shapiro Zalman M System and method for diamond deposition using a liquid-solvent carbon-transfer mechanism
EP2588598B1 (de) 2010-07-02 2016-03-09 Metabolic Explorer Verfahren zur herstellung von hydroxysäuren
US8466328B2 (en) 2010-08-18 2013-06-18 Eastman Chemical Company Method for recovery and recycle of ruthenium homogeneous catalysts
US9227896B2 (en) 2010-08-18 2016-01-05 Eastman Chemical Company Process for the separation and purification of a mixed diol stream
US8829248B2 (en) 2010-08-18 2014-09-09 Eastman Chemical Company Method for recovery and recycle of ruthenium homogeneous catalysts
US8709376B2 (en) 2010-09-23 2014-04-29 Eastman Chemical Company Process for recovering and recycling an acid catalyst
US8785686B2 (en) 2010-09-23 2014-07-22 Eastman Chemical Company Process for recovering and recycling an acid catalyst
FR2974802B1 (fr) 2011-05-06 2013-09-13 Roquette Freres Procede de purification de l'acide glycolique par distillation
FR2974803B1 (fr) 2011-05-06 2013-05-03 Roquette Freres Procede de preparation d'un acide glycolique partiellement purifie
FR2974804B1 (fr) 2011-05-06 2013-05-03 Roquette Freres Procede de preparation d'un acide glycolique de haute purete
FI20115497A (fi) * 2011-05-23 2012-11-24 Upm Kymmene Corp Menetelmä ja laitteisto hydroksikarboksyylihappotuotteen erottamiseksi
US8765999B2 (en) 2012-03-27 2014-07-01 Eastman Chemical Company Hydrocarboxylation of formaldehyde in the presence of a higher order carboxylic acid and a homogeneous catalyst
US8829234B2 (en) 2012-03-27 2014-09-09 Eastman Chemical Company Hydrocarboxylation of formaldehyde in the presence of a higher order carboxylic acid and heterogeneous catalyst
US8927766B2 (en) 2012-03-27 2015-01-06 Eastman Chemical Company Hydrocarboxylation of methylene dipropionate in the presence of a propionic acid and a homogeneous catalyst
US8703999B2 (en) 2012-03-27 2014-04-22 Eastman Chemical Company Hydrocarboxylation of methylene dipropionate in the presence of propionic acid and a heterogeneous catalyst
US9040748B2 (en) 2012-06-08 2015-05-26 Eastman Chemical Company Hydrocarboxylation of aqueous formaldehyde using a dehydrating recycle stream to decrease water concentration
CN103508878B (zh) * 2012-06-27 2016-05-18 上海浦景化工技术股份有限公司 一种由乙醇酸甲酯制备高纯度乙醇酸晶体的方法
CN102964240A (zh) * 2012-12-10 2013-03-13 西南化工研究设计院有限公司 一种高纯度羟基乙酸晶体的制备方法
JP6003880B2 (ja) * 2013-10-28 2016-10-05 住友金属鉱山株式会社 銀粉の製造方法
CN112645814A (zh) * 2019-10-10 2021-04-13 中国石油化工股份有限公司 乙醇酸的纯化方法和乙醇酸晶体及其应用
CN114720606B (zh) * 2022-03-07 2024-01-30 内蒙古久泰新材料有限公司 一种气相色谱法测定乙醇酸中有机杂酸含量的方法

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2260738A (en) * 1938-09-08 1941-10-28 Dow Chemical Co Manufacture of crystalline glycollic acid
US2341258A (en) * 1942-03-25 1944-02-08 Du Pont Process for the preparation of flake hydroxyacetic acid
DE2810975A1 (de) * 1978-03-14 1979-09-27 Hoechst Ag Verfahren zur herstellung von glykolsaeure
JPS6277349A (ja) 1985-10-01 1987-04-09 Denki Kagaku Kogyo Kk 高濃度グリコ−ル酸水溶液の製造法
EP0552255B1 (de) 1990-09-20 1996-05-01 E.I. Du Pont De Nemours And Company Verfahren zur herstellung von reiner hydroxyessigsäure
JPH0592102A (ja) 1991-09-30 1993-04-16 Idemitsu Petrochem Co Ltd 有機酸または有機酸エステルの晶析方法
DE19510156A1 (de) 1995-03-21 1996-09-26 Hoechst Ag Verfahren zur Herstellung kristalliner Glykolsäure
JPH092998A (ja) 1995-06-21 1997-01-07 Mitsui Toatsu Chem Inc グリコール酸水溶液の製造方法
AU3575700A (en) 1999-03-22 2000-10-09 Purac Biochem B.V. Method of industrial-scale purification of lactic acid

Also Published As

Publication number Publication date
EP1471048A1 (de) 2004-10-27
CN1286793C (zh) 2006-11-29
US7164040B2 (en) 2007-01-16
JP3989002B2 (ja) 2007-10-10
WO2003064366A1 (fr) 2003-08-07
US20050020853A1 (en) 2005-01-27
CN1625543A (zh) 2005-06-08
ATE364589T1 (de) 2007-07-15
JPWO2003064366A1 (ja) 2005-05-26
EP1471048B1 (de) 2007-06-13
EP1471048A4 (de) 2005-11-16
DE60314372T2 (de) 2008-02-21

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