ATE313514T1 - Verfahren zur herstellung von milchsäure und calciumsulfatdihydrat - Google Patents
Verfahren zur herstellung von milchsäure und calciumsulfatdihydratInfo
- Publication number
- ATE313514T1 ATE313514T1 AT02753300T AT02753300T ATE313514T1 AT E313514 T1 ATE313514 T1 AT E313514T1 AT 02753300 T AT02753300 T AT 02753300T AT 02753300 T AT02753300 T AT 02753300T AT E313514 T1 ATE313514 T1 AT E313514T1
- Authority
- AT
- Austria
- Prior art keywords
- lactic acid
- calcium sulphate
- calcium sulfate
- sulfate dihydrate
- producing lactic
- Prior art date
Links
- JVTAAEKCZFNVCJ-UHFFFAOYSA-N lactic acid Chemical compound CC(O)C(O)=O JVTAAEKCZFNVCJ-UHFFFAOYSA-N 0.000 title abstract 10
- PASHVRUKOFIRIK-UHFFFAOYSA-L calcium sulfate dihydrate Chemical compound O.O.[Ca+2].[O-]S([O-])(=O)=O PASHVRUKOFIRIK-UHFFFAOYSA-L 0.000 title abstract 6
- 239000004310 lactic acid Substances 0.000 title abstract 5
- 235000014655 lactic acid Nutrition 0.000 title abstract 5
- 238000004519 manufacturing process Methods 0.000 title 1
- 239000007864 aqueous solution Substances 0.000 abstract 3
- 230000015572 biosynthetic process Effects 0.000 abstract 2
- OSGAYBCDTDRGGQ-UHFFFAOYSA-L calcium sulfate Chemical compound [Ca+2].[O-]S([O-])(=O)=O OSGAYBCDTDRGGQ-UHFFFAOYSA-L 0.000 abstract 2
- 239000000203 mixture Substances 0.000 abstract 2
- 239000002244 precipitate Substances 0.000 abstract 2
- 230000007704 transition Effects 0.000 abstract 2
- JVTAAEKCZFNVCJ-UHFFFAOYSA-M Lactate Chemical compound CC(O)C([O-])=O JVTAAEKCZFNVCJ-UHFFFAOYSA-M 0.000 abstract 1
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 abstract 1
- ZOMBKNNSYQHRCA-UHFFFAOYSA-J calcium sulfate hemihydrate Chemical compound O.[Ca+2].[Ca+2].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O ZOMBKNNSYQHRCA-UHFFFAOYSA-J 0.000 abstract 1
- 239000001175 calcium sulphate Substances 0.000 abstract 1
- 235000011132 calcium sulphate Nutrition 0.000 abstract 1
- 238000000034 method Methods 0.000 abstract 1
- 238000002360 preparation method Methods 0.000 abstract 1
- 238000001953 recrystallisation Methods 0.000 abstract 1
- 239000001117 sulphuric acid Substances 0.000 abstract 1
- 235000011149 sulphuric acid Nutrition 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
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01F—COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
- C01F11/00—Compounds of calcium, strontium, or barium
- C01F11/46—Sulfates
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01F—COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
- C01F11/00—Compounds of calcium, strontium, or barium
- C01F11/46—Sulfates
- C01F11/466—Conversion of one form of calcium sulfate to another
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
- C07C51/02—Preparation of carboxylic acids or their salts, halides or anhydrides from salts of carboxylic acids
-
- 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
- C07C51/44—Separation; Purification; Stabilisation; Use of additives by change of the physical state, e.g. crystallisation by distillation
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Engineering & Computer Science (AREA)
- Inorganic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Crystallography & Structural Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
- Preparation Of Compounds By Using Micro-Organisms (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Coloring Foods And Improving Nutritive Qualities (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL1018821 | 2001-08-24 | ||
| US09/941,660 US6632966B2 (en) | 2001-08-24 | 2001-08-30 | Method for the preparation of lactic acid and calcium sulphate dihydrate |
| PCT/NL2002/000561 WO2003018480A1 (en) | 2001-08-24 | 2002-08-23 | Method for the preparation of lactic acid and calcium sulphate dihydrate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ATE313514T1 true ATE313514T1 (de) | 2006-01-15 |
Family
ID=26643385
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| AT02753300T ATE313514T1 (de) | 2001-08-24 | 2002-08-23 | Verfahren zur herstellung von milchsäure und calciumsulfatdihydrat |
Country Status (9)
| Country | Link |
|---|---|
| US (1) | US6747173B2 (de) |
| EP (1) | EP1419108B1 (de) |
| JP (1) | JP4450621B2 (de) |
| CN (1) | CN100395224C (de) |
| AT (1) | ATE313514T1 (de) |
| BR (1) | BR0212130B1 (de) |
| DE (1) | DE60208207T2 (de) |
| ES (1) | ES2256509T3 (de) |
| WO (1) | WO2003018480A1 (de) |
Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| IT1294728B1 (it) | 1997-09-12 | 1999-04-12 | Biopolo S C A R L | Ceppi di lievito per la riproduzione di acido lattico |
| US7473540B2 (en) | 2005-09-22 | 2009-01-06 | Tate & Lyle Ingredients Americas, Inc. | Methods for selecting a yeast population for the production of an organic acid and producing an organic acid |
| CN101306992B (zh) * | 2007-05-14 | 2011-01-19 | 张家港三源生物工程有限公司 | L-乳酸钙连续酸化、结晶制取l-乳酸的方法 |
| AU2008272239A1 (en) | 2007-06-29 | 2009-01-08 | Toray Industries, Inc. | Lactic acid production method |
| JP5564783B2 (ja) * | 2007-12-20 | 2014-08-06 | 東レ株式会社 | 乳酸の製造方法 |
| BRPI0916593B1 (pt) | 2008-07-31 | 2019-10-22 | Yoshino Gypsum Co | processo para modificação contínua de gesso diidratado |
| EP2163532A1 (de) * | 2008-09-11 | 2010-03-17 | Claudius Peters Technologies GmbH | Verfahren und Anlage zur Herstellung von Hartgips |
| ES2436509T3 (es) * | 2009-07-16 | 2014-01-02 | Purac Biochem Bv | Composición líquida de ácido láctico y método para su preparación |
| CN101693658B (zh) * | 2009-10-22 | 2012-11-28 | 河南金丹乳酸科技股份有限公司 | 一种连续动态结晶生产乳酸钙的方法及设备 |
| CN102260165B (zh) * | 2011-05-30 | 2014-01-22 | 中粮生物化学(安徽)股份有限公司 | 一种联产柠檬酸和二水硫酸钙的方法 |
| CN112679340B (zh) * | 2020-12-25 | 2023-04-07 | 河南金丹乳酸科技股份有限公司 | 一种连续生产l-乳酸钙方法 |
| CN112551569B (zh) * | 2020-12-31 | 2022-03-11 | 天津科技大学 | 一种以钙盐法生产乳酸的发酵液为原料生产α-半水硫酸钙晶须并同步回收乳酸单体的方法 |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1162514A (en) * | 1965-09-08 | 1969-08-27 | Albatros Superfosfaat | Process for the preparation of Phosphoric Acid and Gypsum from Phosphate Rock |
| FR2647433B1 (fr) * | 1989-05-23 | 1991-10-31 | Lafarge Coppee Da | Procede de preparation par voie aqueuse de sulfate de calcium purifie |
| DE69301030T2 (de) * | 1992-05-27 | 1996-05-09 | Purac Biochem Bv | Verfahren zur direkten herstellung von alpha-calciumsulfathalbhydrat bei atmosphären druck |
| US20020102672A1 (en) * | 1999-10-04 | 2002-08-01 | Joseph Mizrahi | Process for producing a purified lactic acid solution |
| NL1013265C2 (nl) * | 1999-10-12 | 2001-04-17 | Purac Biochem Bv | Continueproces voor het bereiden van melkzuur. |
| CN100496067C (zh) * | 2002-07-02 | 2009-06-03 | 诺基亚有限公司 | 通过语音识别操作数据记录的方法和通信设备 |
-
2002
- 2002-08-23 WO PCT/NL2002/000561 patent/WO2003018480A1/en not_active Ceased
- 2002-08-23 AT AT02753300T patent/ATE313514T1/de not_active IP Right Cessation
- 2002-08-23 ES ES02753300T patent/ES2256509T3/es not_active Expired - Lifetime
- 2002-08-23 JP JP2003523152A patent/JP4450621B2/ja not_active Expired - Lifetime
- 2002-08-23 DE DE60208207T patent/DE60208207T2/de not_active Expired - Lifetime
- 2002-08-23 EP EP02753300A patent/EP1419108B1/de not_active Expired - Lifetime
- 2002-08-23 BR BRPI0212130-1A patent/BR0212130B1/pt not_active IP Right Cessation
- 2002-08-23 CN CNB028165683A patent/CN100395224C/zh not_active Expired - Lifetime
- 2002-08-29 US US10/230,420 patent/US6747173B2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| DE60208207T2 (de) | 2006-08-17 |
| ES2256509T3 (es) | 2006-07-16 |
| CN1547554A (zh) | 2004-11-17 |
| JP2005501112A (ja) | 2005-01-13 |
| BR0212130B1 (pt) | 2011-01-11 |
| DE60208207D1 (de) | 2006-01-26 |
| JP4450621B2 (ja) | 2010-04-14 |
| BR0212130A (pt) | 2004-07-20 |
| EP1419108B1 (de) | 2005-12-21 |
| EP1419108A1 (de) | 2004-05-19 |
| US20030125581A1 (en) | 2003-07-03 |
| WO2003018480A1 (en) | 2003-03-06 |
| US6747173B2 (en) | 2004-06-08 |
| CN100395224C (zh) | 2008-06-18 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| RER | Ceased as to paragraph 5 lit. 3 law introducing patent treaties |