ATE364589T1 - Verfahren zur herstellung von hochreinen kristallen von glykolsäure - Google Patents
Verfahren zur herstellung von hochreinen kristallen von glykolsäureInfo
- Publication number
- ATE364589T1 ATE364589T1 AT03734624T AT03734624T ATE364589T1 AT E364589 T1 ATE364589 T1 AT E364589T1 AT 03734624 T AT03734624 T AT 03734624T AT 03734624 T AT03734624 T AT 03734624T AT E364589 T1 ATE364589 T1 AT E364589T1
- Authority
- AT
- Austria
- Prior art keywords
- glycolic acid
- crystals
- solution
- mass
- high purity
- Prior art date
Links
- AEMRFAOFKBGASW-UHFFFAOYSA-N Glycolic acid Chemical compound OCC(O)=O AEMRFAOFKBGASW-UHFFFAOYSA-N 0.000 title abstract 24
- 239000013078 crystal Substances 0.000 title abstract 7
- 238000004519 manufacturing process Methods 0.000 title 1
- 239000000243 solution Substances 0.000 abstract 4
- 239000007864 aqueous solution Substances 0.000 abstract 2
- 239000000178 monomer Substances 0.000 abstract 2
- 230000001376 precipitating effect Effects 0.000 abstract 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract 1
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)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2002020037 | 2002-01-29 |
Publications (1)
Publication Number | Publication Date |
---|---|
ATE364589T1 true ATE364589T1 (de) | 2007-07-15 |
Family
ID=27654318
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AT03734624T ATE364589T1 (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)
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 |
WO2006069129A1 (en) * | 2004-12-22 | 2006-06-29 | E.I. Dupont De Nemours And Company | 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 |
EP1947079B1 (de) * | 2005-10-26 | 2019-05-08 | Mitsui Chemicals, Inc. | Verfahren zur herstellung von glycolsäure |
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 |
WO2012001003A1 (en) | 2010-07-02 | 2012-01-05 | Metabolic Explorer | Method for the preparation of hydroxy acids |
US8829248B2 (en) | 2010-08-18 | 2014-09-09 | Eastman Chemical Company | Method for recovery and recycle of ruthenium homogeneous catalysts |
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 |
US8785686B2 (en) | 2010-09-23 | 2014-07-22 | Eastman Chemical Company | Process for recovering and recycling an acid catalyst |
US8709376B2 (en) | 2010-09-23 | 2014-04-29 | 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 |
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 |
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 |
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 |
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)
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 |
WO1992005138A1 (en) * | 1990-09-20 | 1992-04-02 | E.I. Du Pont De Nemours And Company | Manufacture of high-purity hydroxyacetic acid |
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 |
ES2225112T3 (es) | 1999-03-22 | 2005-03-16 | Purac Biochem Bv | Procedimiento de purificacion de acido lactico a escala industrial. |
-
2003
- 2003-01-29 US US10/500,882 patent/US7164040B2/en not_active Expired - Lifetime
- 2003-01-29 AT AT03734624T patent/ATE364589T1/de not_active IP Right Cessation
- 2003-01-29 CN CN03802950.2A patent/CN1286793C/zh not_active Expired - Fee Related
- 2003-01-29 EP EP03734624A patent/EP1471048B1/de not_active Expired - Lifetime
- 2003-01-29 JP JP2003563992A patent/JP3989002B2/ja not_active Expired - Lifetime
- 2003-01-29 DE DE60314372T patent/DE60314372T2/de not_active Expired - Lifetime
- 2003-01-29 WO PCT/JP2003/000858 patent/WO2003064366A1/ja active IP Right Grant
Also Published As
Publication number | Publication date |
---|---|
EP1471048B1 (de) | 2007-06-13 |
DE60314372D1 (de) | 2007-07-26 |
CN1286793C (zh) | 2006-11-29 |
US7164040B2 (en) | 2007-01-16 |
WO2003064366A1 (fr) | 2003-08-07 |
JP3989002B2 (ja) | 2007-10-10 |
CN1625543A (zh) | 2005-06-08 |
EP1471048A1 (de) | 2004-10-27 |
DE60314372T2 (de) | 2008-02-21 |
JPWO2003064366A1 (ja) | 2005-05-26 |
EP1471048A4 (de) | 2005-11-16 |
US20050020853A1 (en) | 2005-01-27 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
RER | Ceased as to paragraph 5 lit. 3 law introducing patent treaties |