CN1112345C - 乳酸的短程暨分子蒸馏精制工艺 - Google Patents
乳酸的短程暨分子蒸馏精制工艺 Download PDFInfo
- Publication number
- CN1112345C CN1112345C CN00114432A CN00114432A CN1112345C CN 1112345 C CN1112345 C CN 1112345C CN 00114432 A CN00114432 A CN 00114432A CN 00114432 A CN00114432 A CN 00114432A CN 1112345 C CN1112345 C CN 1112345C
- Authority
- CN
- China
- Prior art keywords
- lactic acid
- distillation
- short
- evaporator
- temperature
- 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.)
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- JVTAAEKCZFNVCJ-UHFFFAOYSA-N lactic acid Chemical compound CC(O)C(O)=O JVTAAEKCZFNVCJ-UHFFFAOYSA-N 0.000 title claims abstract description 198
- 235000014655 lactic acid Nutrition 0.000 title claims abstract description 97
- 239000004310 lactic acid Substances 0.000 title claims abstract description 97
- 238000000034 method Methods 0.000 title claims abstract description 26
- 238000000199 molecular distillation Methods 0.000 title claims abstract description 16
- 238000007670 refining Methods 0.000 title claims abstract description 15
- 238000004821 distillation Methods 0.000 claims abstract description 13
- 239000000463 material Substances 0.000 claims abstract description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 11
- 239000000126 substance Substances 0.000 claims abstract description 7
- 239000012153 distilled water Substances 0.000 claims abstract description 4
- 238000001944 continuous distillation Methods 0.000 claims abstract 2
- 239000005416 organic matter Substances 0.000 claims abstract 2
- 238000009833 condensation Methods 0.000 claims description 8
- 230000005494 condensation Effects 0.000 claims description 8
- 239000002994 raw material Substances 0.000 claims description 6
- JVTAAEKCZFNVCJ-REOHCLBHSA-N L-lactic acid Chemical compound C[C@H](O)C(O)=O JVTAAEKCZFNVCJ-REOHCLBHSA-N 0.000 claims description 3
- 238000010438 heat treatment Methods 0.000 claims description 3
- 238000006116 polymerization reaction Methods 0.000 claims description 3
- 238000000526 short-path distillation Methods 0.000 claims 2
- 230000018044 dehydration Effects 0.000 claims 1
- 238000006297 dehydration reaction Methods 0.000 claims 1
- 238000007790 scraping Methods 0.000 claims 1
- 239000011265 semifinished product Substances 0.000 claims 1
- 238000005516 engineering process Methods 0.000 abstract description 4
- 239000008236 heating water Substances 0.000 abstract 1
- 229920002521 macromolecule Polymers 0.000 abstract 1
- 238000003303 reheating Methods 0.000 abstract 1
- 229960000448 lactic acid Drugs 0.000 description 67
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 24
- 239000000047 product Substances 0.000 description 16
- 238000000746 purification Methods 0.000 description 15
- 239000006200 vaporizer Substances 0.000 description 11
- 235000013305 food Nutrition 0.000 description 8
- 230000007115 recruitment Effects 0.000 description 5
- LPEKGGXMPWTOCB-UHFFFAOYSA-N 8beta-(2,3-epoxy-2-methylbutyryloxy)-14-acetoxytithifolin Natural products COC(=O)C(C)O LPEKGGXMPWTOCB-UHFFFAOYSA-N 0.000 description 4
- ODQWQRRAPPTVAG-GZTJUZNOSA-N doxepin Chemical compound C1OC2=CC=CC=C2C(=C/CCN(C)C)/C2=CC=CC=C21 ODQWQRRAPPTVAG-GZTJUZNOSA-N 0.000 description 4
- 229940057867 methyl lactate Drugs 0.000 description 4
- 239000012535 impurity Substances 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000001816 cooling Methods 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 2
- 230000032050 esterification Effects 0.000 description 2
- 238000005886 esterification reaction Methods 0.000 description 2
- LZCLXQDLBQLTDK-UHFFFAOYSA-N ethyl 2-hydroxypropanoate Chemical compound CCOC(=O)C(C)O LZCLXQDLBQLTDK-UHFFFAOYSA-N 0.000 description 2
- FRXSZNDVFUDTIR-UHFFFAOYSA-N 6-methoxy-1,2,3,4-tetrahydroquinoline Chemical compound N1CCCC2=CC(OC)=CC=C21 FRXSZNDVFUDTIR-UHFFFAOYSA-N 0.000 description 1
- MRABAEUHTLLEML-UHFFFAOYSA-N Butyl lactate Chemical compound CCCCOC(=O)C(C)O MRABAEUHTLLEML-UHFFFAOYSA-N 0.000 description 1
- 229930182843 D-Lactic acid Natural products 0.000 description 1
- JVTAAEKCZFNVCJ-UWTATZPHSA-N D-lactic acid Chemical compound C[C@@H](O)C(O)=O JVTAAEKCZFNVCJ-UWTATZPHSA-N 0.000 description 1
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 235000013405 beer Nutrition 0.000 description 1
- 235000013361 beverage Nutrition 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000010924 continuous production Methods 0.000 description 1
- 229940022769 d- lactic acid Drugs 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 239000007857 degradation product Substances 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 229940116333 ethyl lactate Drugs 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000000855 fermentation Methods 0.000 description 1
- 230000004151 fermentation Effects 0.000 description 1
- 230000007062 hydrolysis Effects 0.000 description 1
- 238000006460 hydrolysis reaction Methods 0.000 description 1
- 230000003301 hydrolyzing effect Effects 0.000 description 1
- 239000003317 industrial substance Substances 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 238000005342 ion exchange Methods 0.000 description 1
- 150000003903 lactic acid esters Chemical class 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 229940017144 n-butyl lactate Drugs 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- 238000010025 steaming Methods 0.000 description 1
- 230000008719 thickening Effects 0.000 description 1
- 238000005292 vacuum distillation Methods 0.000 description 1
Landscapes
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
Description
Claims (5)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN00114432A CN1112345C (zh) | 2000-03-20 | 2000-03-20 | 乳酸的短程暨分子蒸馏精制工艺 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN00114432A CN1112345C (zh) | 2000-03-20 | 2000-03-20 | 乳酸的短程暨分子蒸馏精制工艺 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1270953A CN1270953A (zh) | 2000-10-25 |
| CN1112345C true CN1112345C (zh) | 2003-06-25 |
Family
ID=4584116
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN00114432A Expired - Fee Related CN1112345C (zh) | 2000-03-20 | 2000-03-20 | 乳酸的短程暨分子蒸馏精制工艺 |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1112345C (zh) |
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| MX336925B (es) * | 2010-02-08 | 2016-02-05 | Purac Biochem Bv | Procedimiento para elaborar acido lactico. |
| CN102225892A (zh) * | 2011-05-10 | 2011-10-26 | 武汉三江航天固德生物科技有限公司 | 一种低钠乳酸钾的制备方法 |
| CN102351686B (zh) * | 2011-08-16 | 2013-11-06 | 武汉三江航天固德生物科技有限公司 | 甲醇酯化耦合真空蒸馏法乳酸提取纯化生产方法 |
| CN103724183B (zh) * | 2013-12-16 | 2015-10-28 | 河南金丹乳酸科技股份有限公司 | 利用分子蒸馏技术工业化生产乳酸的方法 |
| CN105399622B (zh) * | 2015-11-20 | 2017-09-19 | 武汉三江航天固德生物科技有限公司 | 一种采用重组分乳酸生产乳酸钾的方法 |
| CN107098808B (zh) * | 2017-05-05 | 2020-01-31 | 湖北壮美生物科技有限公司 | 一种高纯度、高含量常温不结晶乳酸产品的制备方法及生产装置 |
| CN109160877A (zh) * | 2018-10-09 | 2019-01-08 | 武汉三江航天固德生物科技有限公司 | 医用乳酸钙的生产方法 |
| CN109265338A (zh) * | 2018-10-09 | 2019-01-25 | 武汉三江航天固德生物科技有限公司 | 医用乳酸钠溶液的生产方法 |
| CN111574360A (zh) * | 2020-05-25 | 2020-08-25 | 中粮营养健康研究院有限公司 | 分离乳酸的方法 |
| CN114276233A (zh) * | 2021-11-01 | 2022-04-05 | 欧尚元(天津)有限公司 | 一种粗l-乳酸的精制纯化方法及其纯化装置 |
| CN115970595A (zh) * | 2022-12-30 | 2023-04-18 | 河南金丹乳酸科技股份有限公司 | 新型连续固定床催化酯化制备高品质乳酸乙酯的系统及其制备工艺 |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1995003268A1 (en) * | 1993-07-26 | 1995-02-02 | A.E. Staley Manufacturing Company | Process for recovering organic acids |
| WO1998055442A1 (fr) * | 1997-06-06 | 1998-12-10 | 'BRUSSELS BIOTECH' en abrégé '2B' | Procede de purification d'acide lactique |
-
2000
- 2000-03-20 CN CN00114432A patent/CN1112345C/zh not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1995003268A1 (en) * | 1993-07-26 | 1995-02-02 | A.E. Staley Manufacturing Company | Process for recovering organic acids |
| WO1998055442A1 (fr) * | 1997-06-06 | 1998-12-10 | 'BRUSSELS BIOTECH' en abrégé '2B' | Procede de purification d'acide lactique |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1270953A (zh) | 2000-10-25 |
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Owner name: WUHAN SANJIANG SPACE GOOD BIOLOGY TECHNOLOGY LTD. Free format text: FORMER OWNER: MINZU CHEMICAL CO., LTD., GUANGSHUI CITY, HUBEI PROV. Effective date: 20070817 |
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Effective date of registration: 20070817 Address after: Two, Hubei, Wuhan Province East Lake District, 430040 Soochow Road, 497 yuan Jiayuan club building Patentee after: Wuhan Sanjiang Space Good Biotech Co.,Ltd. Address before: 432700 No. 17, Wenhua Road, Hubei, Guangshui Patentee before: National Chemical Co., Ltd., Guangshui City, Hubei Prov. |
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Owner name: GUANGSHUI CITY NATIOANL CHEMICAL CO., LTD. Free format text: FORMER OWNER: WUHAN SANJIANG SPACE GOOD BIOLOGY TECHNOLOGY LTD. Effective date: 20090821 |
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Effective date of registration: 20090821 Address after: Hubei city of Guangshui Province Yingshan Cultural Road No. 17 Patentee after: Minzu Chemical Industry Co., Ltd., Guangshui Address before: Floor 497, two yuan Jiayuan Road, east Wu Lake Avenue, Wuhan, Hubei Patentee before: Wuhan Sanjiang Space Good Biotech Co.,Ltd. |
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Owner name: WUHAN SANJIANG SPACE GOOD BIOTECH CO., LTD. Free format text: FORMER OWNER: GAUNGSHUI NATIONAL CHEMICAL INDUSTRY CO., LTD. Effective date: 20100611 |
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Free format text: CORRECT: ADDRESS; FROM: 432700 NO.17, YINGSHAN WENHUA ROAD, GUANGSHUI CITY, HUBEI PROVINCE TO: 430040 2/F, HANGTIANJIAYUAN CLUB, NO.497, DONGWU AVENUE, DONGXIHU DISTRICT, WUHAN CITY, HUBEI PROVINCE |
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Effective date of registration: 20100611 Address after: Two, Hubei, Wuhan Province East Lake District, 430040 Soochow Road, 497 yuan Jiayuan club building Patentee after: Wuhan Sanjiang Space Good Biotech Co.,Ltd. Address before: 432700 Guangshui city of Hubei Province Yingshan Cultural Road No. 17 Patentee before: Minzu Chemical Industry Co., Ltd., Guangshui |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20030625 Termination date: 20190320 |
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