CN1547554A - 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
- CN1547554A CN1547554A CNA028165683A CN02816568A CN1547554A CN 1547554 A CN1547554 A CN 1547554A CN A028165683 A CNA028165683 A CN A028165683A CN 02816568 A CN02816568 A CN 02816568A CN 1547554 A CN1547554 A CN 1547554A
- Authority
- CN
- China
- Prior art keywords
- lactic acid
- calcium sulphate
- calcium
- sulphate dihydrate
- 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.)
- Granted
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
-
- 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)
- 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)
- 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)
Abstract
Description
半水合硫酸钙(20重量%乳酸) | ||
温度(℃) | Ca2+(ppm) | CaSO4·0.5H2O(重量%) |
30 | - | - |
50 | - | - |
70 | 854 | 0.310 |
80 | 818 | 0.297 |
90 | 799 | 0.290 |
95 | - | - |
100 | 778 | 0.282 |
半水合硫酸钙(50重量%乳酸) | ||
温度(℃) | Ca2+(ppm) | CaSO4·0.5H2O(重量%) |
30 | - | - |
50 | 742 | 0.269 |
70 | 655 | 0.238 |
80 | - | - |
90 | 597 | 0.217 |
95 | 542 | 0.197 |
100 | - | - |
半水合硫酸钙(20重量%乳酸) | ||
温度(℃) | Ca2+(ppm) | CaSO4·2H2O(重量%) |
30 | - | - |
50 | 570 | 0.245 |
70 | 605 | 0.260 |
80 | 619 | 0.266 |
90 | 630 | 0.271 |
95 | 660 | 0.284 |
100 | - | - |
半水合硫酸钙(50重量%乳酸) | ||
温度(℃) | Ca2+(ppm) | CaSO4·2H2O(重量%) |
30 | 437 | 0.188 |
50 | 432 | 0.186 |
70 | 440 | 0.189 |
80 | 450 | 0.194 |
90 | 452 | 0.195 |
95 | - | - |
100 | - | - |
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 |
[Ca2+] | 0.13重量% |
[SO4 2-] | 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 (10)
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 true CN1547554A (zh) | 2004-11-17 |
CN100395224C 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) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102260165A (zh) * | 2011-05-30 | 2011-11-30 | 安徽丰原生物化学股份有限公司 | 一种联产柠檬酸和二水硫酸钙的方法 |
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 |
CN112679340A (zh) * | 2020-12-25 | 2021-04-20 | 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 |
WO2022141739A1 (zh) * | 2020-12-31 | 2022-07-07 | 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 |
Families Citing this family (8)
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 |
WO2007038130A2 (en) | 2005-09-22 | 2007-04-05 | 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 |
KR20100024915A (ko) * | 2007-06-29 | 2010-03-08 | 도레이 카부시키가이샤 | 유산의 제조 방법 |
JP5564783B2 (ja) * | 2007-12-20 | 2014-08-06 | 東レ株式会社 | 乳酸の製造方法 |
KR101346493B1 (ko) | 2008-07-31 | 2013-12-31 | 요시노 셋고 가부시키가이샤 | 이수석고의 개질방법 |
EP2163532A1 (de) * | 2008-09-11 | 2010-03-17 | Claudius Peters Technologies GmbH | Verfahren und Anlage zur Herstellung von Hartgips |
PT2275399E (pt) * | 2009-07-16 | 2013-11-18 | Purac Biochem Bv | Composição líquida de ácido láctico e método para a sua |
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 |
AU4359093A (en) * | 1992-05-27 | 1993-12-30 | Purac Biochem B.V. | Direct formation of alpha-calcium sulfate hemihydrate under atmospheric pressure |
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. |
AU2002314439A1 (en) * | 2002-07-02 | 2004-01-23 | Nokia Corporation | Method and communication device for handling data records by speech recognition |
-
2002
- 2002-08-23 AT AT02753300T patent/ATE313514T1/de not_active IP Right Cessation
- 2002-08-23 BR BRPI0212130-1A patent/BR0212130B1/pt not_active IP Right Cessation
- 2002-08-23 ES ES02753300T patent/ES2256509T3/es not_active Expired - Lifetime
- 2002-08-23 CN CNB028165683A patent/CN100395224C/zh not_active Expired - Lifetime
- 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 DE DE60208207T patent/DE60208207T2/de not_active Expired - Lifetime
- 2002-08-23 WO PCT/NL2002/000561 patent/WO2003018480A1/en active IP Right Grant
- 2002-08-29 US US10/230,420 patent/US6747173B2/en not_active Expired - Lifetime
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
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 |
CN102260165A (zh) * | 2011-05-30 | 2011-11-30 | 安徽丰原生物化学股份有限公司 | 一种联产柠檬酸和二水硫酸钙的方法 |
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 |
CN112679340A (zh) * | 2020-12-25 | 2021-04-20 | 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 |
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 |
WO2022141739A1 (zh) * | 2020-12-31 | 2022-07-07 | 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 |
Also Published As
Publication number | Publication date |
---|---|
DE60208207T2 (de) | 2006-08-17 |
EP1419108A1 (en) | 2004-05-19 |
ES2256509T3 (es) | 2006-07-16 |
US20030125581A1 (en) | 2003-07-03 |
BR0212130B1 (pt) | 2011-01-11 |
EP1419108B1 (en) | 2005-12-21 |
ATE313514T1 (de) | 2006-01-15 |
WO2003018480A1 (en) | 2003-03-06 |
BR0212130A (pt) | 2004-07-20 |
JP2005501112A (ja) | 2005-01-13 |
JP4450621B2 (ja) | 2010-04-14 |
DE60208207D1 (de) | 2006-01-26 |
US6747173B2 (en) | 2004-06-08 |
CN100395224C (zh) | 2008-06-18 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
CI01 | Publication of corrected invention patent application |
Correction item: Inventor Correct: Cerdabaro Agusti False: Cerdabaro Agusti Number: 46 Volume: 20 |
|
CI02 | Correction of invention patent application |
Correction item: Inventor Correct: Cerdabaro Agusti False: Cerdabaro Agusti Number: 46 Page: The title page Volume: 20 |
|
COR | Change of bibliographic data |
Free format text: CORRECT: INVENTOR; FROM: CERDABARO AGUSTI TO: PIERRE JOE |
|
ERR | Gazette correction |
Free format text: CORRECT: INVENTOR; FROM: CERDABARO AGUSTI TO: PIERRE JOE |
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
CX01 | Expiry of patent term |
Granted publication date: 20080618 |
|
CX01 | Expiry of patent term |