CN100395224C - 乳酸及二水合硫酸钙的制备方法 - Google Patents
乳酸及二水合硫酸钙的制备方法 Download PDFInfo
- Publication number
- CN100395224C CN100395224C CNB028165683A CN02816568A CN100395224C CN 100395224 C CN100395224 C CN 100395224C CN B028165683 A CNB028165683 A CN B028165683A CN 02816568 A CN02816568 A CN 02816568A CN 100395224 C CN100395224 C CN 100395224C
- Authority
- CN
- China
- Prior art keywords
- lactic acid
- calcium sulphate
- sulphate dihydrate
- calcium
- aqueous solution
- 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
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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
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Geology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Inorganic Chemistry (AREA)
- Crystallography & Structural Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Preparation Of Compounds By Using Micro-Organisms (AREA)
- Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Coloring Foods And Improving Nutritive Qualities (AREA)
Abstract
Description
时间(小时) | 结晶水(重量%) | 二水合物(重量%) |
0 | 20.15 | 94.90 |
1 | 20.17 | 95.03 |
3 | 20.19 | 95.17 |
4 | 20.20 | 95.24 |
5 | 20.43 | 96.80 |
6 | 20.34 | 96.19 |
7 | 20.29 | 95.85 |
8 | 20.09 | 94.49 |
9 | 20.29 | 95.85 |
10 | 20.29 | 95.85 |
11 | 20.15 | 94.90 |
乳酸溶液 | |
游离酸浓度 | 35.58重量%乳酸 |
[Ca<sup>2+</sup>] | 0.13重量% |
[SO<sub>4</sub><sup>2-</sup>] | 0.04重量% |
二水合物 | |
游离水(平均) | 8.26重量% |
结晶水(平均) | 20.35重量% |
时间(小时) | 结晶水(重量%) | 二水合物(重量%) |
0 | 20.47 | 97.1 |
1 | 20.40 | 96.6 |
3 | 20.54 | 97.6 |
5 | 20.63 | 98.2 |
6 | 20.68 | 98.7 |
7 | 20.68 | 98.5 |
8.5 | 20.73 | 98.8 |
10 | 20.74 | 98.9 |
二水合物 | |
游离水(平均) | 10.80重量% |
结晶水(平均) | 20.5重量% |
Claims (7)
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NL1018821 | 2001-08-24 | ||
NL1018821 | 2001-08-24 | ||
US09/941,660 | 2001-08-30 | ||
US09/941,660 US6632966B2 (en) | 2001-08-24 | 2001-08-30 | Method for the preparation of lactic acid and calcium sulphate dihydrate |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1547554A CN1547554A (zh) | 2004-11-17 |
CN100395224C true CN100395224C (zh) | 2008-06-18 |
Family
ID=26643385
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB028165683A Expired - Lifetime CN100395224C (zh) | 2001-08-24 | 2002-08-23 | 乳酸及二水合硫酸钙的制备方法 |
Country Status (9)
Country | Link |
---|---|
US (1) | US6747173B2 (zh) |
EP (1) | EP1419108B1 (zh) |
JP (1) | JP4450621B2 (zh) |
CN (1) | CN100395224C (zh) |
AT (1) | ATE313514T1 (zh) |
BR (1) | BR0212130B1 (zh) |
DE (1) | DE60208207T2 (zh) |
ES (1) | ES2256509T3 (zh) |
WO (1) | WO2003018480A1 (zh) |
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 |
EP1929009A2 (en) | 2005-09-22 | 2008-06-11 | Tate & Lyle Ingredients Americas, Inc. | Improved strains for the production of organic acids |
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 |
WO2010013807A1 (ja) * | 2008-07-31 | 2010-02-04 | 吉野石膏株式会社 | 二水石膏の連続式改質方法及び該方法で改質された改質二水石膏 |
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 |
Citations (5)
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 |
WO1993024410A1 (en) * | 1992-05-27 | 1993-12-09 | Purac Biochem B.V. | DIRECT FORMATION OF α-CALCIUM SULFATE HEMIHYDRATE UNDER ATMOSPHERIC PRESSURE |
WO2001025180A1 (en) * | 1999-10-04 | 2001-04-12 | Cargill Dow, Llc | Process for producing a purified lactic acid solution |
WO2001027064A1 (en) * | 1999-10-12 | 2001-04-19 | Purac Biochem B.V. | Continuous process for preparing lactic acid |
WO2004006550A1 (en) * | 2002-07-02 | 2004-01-15 | Nokia Corporation | Method and communication device for handling data records by speech recognition |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2647433B1 (fr) * | 1989-05-23 | 1991-10-31 | Lafarge Coppee Da | Procede de preparation par voie aqueuse de sulfate de calcium purifie |
-
2002
- 2002-08-23 WO PCT/NL2002/000561 patent/WO2003018480A1/en active IP Right Grant
- 2002-08-23 EP EP02753300A patent/EP1419108B1/en not_active Expired - Lifetime
- 2002-08-23 JP JP2003523152A patent/JP4450621B2/ja not_active Expired - Lifetime
- 2002-08-23 ES ES02753300T patent/ES2256509T3/es not_active Expired - Lifetime
- 2002-08-23 BR BRPI0212130-1A patent/BR0212130B1/pt not_active IP Right Cessation
- 2002-08-23 AT AT02753300T patent/ATE313514T1/de not_active IP Right Cessation
- 2002-08-23 DE DE60208207T patent/DE60208207T2/de not_active Expired - Lifetime
- 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
Patent Citations (5)
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 |
WO1993024410A1 (en) * | 1992-05-27 | 1993-12-09 | Purac Biochem B.V. | DIRECT FORMATION OF α-CALCIUM SULFATE HEMIHYDRATE UNDER ATMOSPHERIC PRESSURE |
WO2001025180A1 (en) * | 1999-10-04 | 2001-04-12 | Cargill Dow, Llc | Process for producing a purified lactic acid solution |
WO2001027064A1 (en) * | 1999-10-12 | 2001-04-19 | Purac Biochem B.V. | Continuous process for preparing lactic acid |
WO2004006550A1 (en) * | 2002-07-02 | 2004-01-15 | Nokia Corporation | Method and communication device for handling data records by speech recognition |
Also Published As
Publication number | Publication date |
---|---|
ES2256509T3 (es) | 2006-07-16 |
DE60208207T2 (de) | 2006-08-17 |
EP1419108A1 (en) | 2004-05-19 |
EP1419108B1 (en) | 2005-12-21 |
WO2003018480A1 (en) | 2003-03-06 |
CN1547554A (zh) | 2004-11-17 |
US20030125581A1 (en) | 2003-07-03 |
DE60208207D1 (de) | 2006-01-26 |
JP2005501112A (ja) | 2005-01-13 |
BR0212130A (pt) | 2004-07-20 |
ATE313514T1 (de) | 2006-01-15 |
JP4450621B2 (ja) | 2010-04-14 |
US6747173B2 (en) | 2004-06-08 |
BR0212130B1 (pt) | 2011-01-11 |
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CI01 | Publication of corrected invention patent application |
Correction item: Inventor Correct: Cerdabaro Agusti False: Cerdabaro Agusti Number: 46 Volume: 20 |
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Correction item: Inventor Correct: Cerdabaro Agusti False: Cerdabaro Agusti Number: 46 Page: The title page Volume: 20 |
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Granted publication date: 20080618 |