CN114605257B - 一种l-乳酸的提纯方法 - Google Patents
一种l-乳酸的提纯方法 Download PDFInfo
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- CN114605257B CN114605257B CN202210525607.6A CN202210525607A CN114605257B CN 114605257 B CN114605257 B CN 114605257B CN 202210525607 A CN202210525607 A CN 202210525607A CN 114605257 B CN114605257 B CN 114605257B
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- Prior art keywords
- exchange resin
- column
- resin column
- water
- lactic acid
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- 238000000034 method Methods 0.000 title claims abstract description 118
- JVTAAEKCZFNVCJ-REOHCLBHSA-N L-lactic acid Chemical compound C[C@H](O)C(O)=O JVTAAEKCZFNVCJ-REOHCLBHSA-N 0.000 title claims abstract description 46
- 238000000746 purification Methods 0.000 title claims description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 124
- 239000003957 anion exchange resin Substances 0.000 claims abstract description 76
- 238000004519 manufacturing process Methods 0.000 claims abstract description 61
- NWUYHJFMYQTDRP-UHFFFAOYSA-N 1,2-bis(ethenyl)benzene;1-ethenyl-2-ethylbenzene;styrene Chemical compound C=CC1=CC=CC=C1.CCC1=CC=CC=C1C=C.C=CC1=CC=CC=C1C=C NWUYHJFMYQTDRP-UHFFFAOYSA-N 0.000 claims abstract description 57
- 239000003729 cation exchange resin Substances 0.000 claims abstract description 56
- 230000008929 regeneration Effects 0.000 claims abstract description 34
- 238000011069 regeneration method Methods 0.000 claims abstract description 34
- 238000011001 backwashing Methods 0.000 claims abstract description 17
- 238000000079 presaturation Methods 0.000 claims abstract description 14
- JVTAAEKCZFNVCJ-UHFFFAOYSA-N lactic acid Chemical compound CC(O)C(O)=O JVTAAEKCZFNVCJ-UHFFFAOYSA-N 0.000 claims description 98
- 239000002253 acid Substances 0.000 claims description 95
- 239000000243 solution Substances 0.000 claims description 67
- 239000003513 alkali Substances 0.000 claims description 64
- 239000011347 resin Substances 0.000 claims description 57
- 229920005989 resin Polymers 0.000 claims description 57
- 239000004310 lactic acid Substances 0.000 claims description 49
- 235000014655 lactic acid Nutrition 0.000 claims description 49
- 239000000463 material Substances 0.000 claims description 41
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 24
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims description 12
- 150000001450 anions Chemical class 0.000 claims description 12
- 238000002386 leaching Methods 0.000 claims description 10
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 claims description 9
- 239000007864 aqueous solution Substances 0.000 claims description 9
- 239000007788 liquid Substances 0.000 claims description 9
- 238000009833 condensation Methods 0.000 claims 1
- 230000005494 condensation Effects 0.000 claims 1
- 238000000926 separation method Methods 0.000 description 107
- 239000010410 layer Substances 0.000 description 48
- 239000002699 waste material Substances 0.000 description 32
- -1 iron ion Chemical class 0.000 description 27
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 19
- 238000001179 sorption measurement Methods 0.000 description 16
- 150000001768 cations Chemical class 0.000 description 14
- MUBZPKHOEPUJKR-UHFFFAOYSA-N Oxalic acid Chemical compound OC(=O)C(O)=O MUBZPKHOEPUJKR-UHFFFAOYSA-N 0.000 description 12
- 239000011241 protective layer Substances 0.000 description 12
- 229920006395 saturated elastomer Polymers 0.000 description 12
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 11
- 229910052742 iron Inorganic materials 0.000 description 11
- 150000002500 ions Chemical class 0.000 description 10
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 9
- 229910052799 carbon Inorganic materials 0.000 description 9
- 238000010494 dissociation reaction Methods 0.000 description 9
- 230000005593 dissociations Effects 0.000 description 9
- RGHNJXZEOKUKBD-SQOUGZDYSA-N D-gluconic acid Chemical compound OC[C@@H](O)[C@@H](O)[C@H](O)[C@@H](O)C(O)=O RGHNJXZEOKUKBD-SQOUGZDYSA-N 0.000 description 8
- 238000005341 cation exchange Methods 0.000 description 8
- 238000005342 ion exchange Methods 0.000 description 8
- 238000005406 washing Methods 0.000 description 8
- 241001550224 Apha Species 0.000 description 7
- 238000005349 anion exchange Methods 0.000 description 5
- 238000004042 decolorization Methods 0.000 description 5
- 238000000605 extraction Methods 0.000 description 5
- RGHNJXZEOKUKBD-UHFFFAOYSA-N D-gluconic acid Natural products OCC(O)C(O)C(O)C(O)C(O)=O RGHNJXZEOKUKBD-UHFFFAOYSA-N 0.000 description 4
- JVTAAEKCZFNVCJ-UHFFFAOYSA-M Lactate Chemical compound CC(O)C([O-])=O JVTAAEKCZFNVCJ-UHFFFAOYSA-M 0.000 description 4
- 150000001413 amino acids Chemical class 0.000 description 4
- 238000010828 elution Methods 0.000 description 4
- 239000000174 gluconic acid Substances 0.000 description 4
- 235000012208 gluconic acid Nutrition 0.000 description 4
- 239000012535 impurity Substances 0.000 description 4
- 238000002156 mixing Methods 0.000 description 4
- 230000003204 osmotic effect Effects 0.000 description 4
- 235000006408 oxalic acid Nutrition 0.000 description 4
- 239000002245 particle Substances 0.000 description 4
- 239000000049 pigment Substances 0.000 description 4
- 239000011148 porous material Substances 0.000 description 4
- 239000000047 product Substances 0.000 description 4
- 230000001681 protective effect Effects 0.000 description 4
- 230000000052 comparative effect Effects 0.000 description 3
- 238000000855 fermentation Methods 0.000 description 3
- 230000004151 fermentation Effects 0.000 description 3
- HEDRZPFGACZZDS-UHFFFAOYSA-N Chloroform Chemical compound ClC(Cl)Cl HEDRZPFGACZZDS-UHFFFAOYSA-N 0.000 description 2
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 2
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005374 membrane filtration Methods 0.000 description 2
- 238000000199 molecular distillation Methods 0.000 description 2
- 229920002261 Corn starch Polymers 0.000 description 1
- 241000124008 Mammalia Species 0.000 description 1
- CZMRCDWAGMRECN-UHFFFAOYSA-N Rohrzucker Natural products OCC1OC(CO)(OC2OC(CO)C(O)C(O)C2O)C(O)C1O CZMRCDWAGMRECN-UHFFFAOYSA-N 0.000 description 1
- 229920002472 Starch Polymers 0.000 description 1
- 229930006000 Sucrose Natural products 0.000 description 1
- CZMRCDWAGMRECN-UGDNZRGBSA-N Sucrose Chemical compound O[C@H]1[C@H](O)[C@@H](CO)O[C@@]1(CO)O[C@@H]1[C@H](O)[C@@H](O)[C@H](O)[C@@H](CO)O1 CZMRCDWAGMRECN-UGDNZRGBSA-N 0.000 description 1
- 238000005903 acid hydrolysis reaction Methods 0.000 description 1
- 230000002378 acidificating effect Effects 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 239000008120 corn starch Substances 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 235000013305 food Nutrition 0.000 description 1
- 239000013072 incoming material Substances 0.000 description 1
- 239000003456 ion exchange resin Substances 0.000 description 1
- 229920003303 ion-exchange polymer Polymers 0.000 description 1
- 230000004060 metabolic process Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 235000013379 molasses Nutrition 0.000 description 1
- 238000004094 preconcentration Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 238000002791 soaking Methods 0.000 description 1
- 235000019698 starch Nutrition 0.000 description 1
- 239000008107 starch Substances 0.000 description 1
- 239000005720 sucrose Substances 0.000 description 1
Images
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
- 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
-
- 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
- C07C51/47—Separation; Purification; Stabilisation; Use of additives by solid-liquid treatment; by chemisorption
-
- 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
- C07C51/487—Separation; Purification; Stabilisation; Use of additives by treatment giving rise to chemical modification
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Crystallography & Structural Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Preparation Of Compounds By Using Micro-Organisms (AREA)
- Treatment Of Water By Ion Exchange (AREA)
Abstract
Description
Claims (8)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
LU505290A LU505290B1 (en) | 2022-02-16 | 2023-02-15 | Method for purifying L-lactic acid |
PCT/CN2023/076141 WO2023155797A1 (zh) | 2022-02-16 | 2023-02-15 | 一种l-乳酸的提纯方法 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2022101403540 | 2022-02-16 | ||
CN202210140354.0A CN114409530A (zh) | 2022-02-16 | 2022-02-16 | 一种l-乳酸的提纯方法 |
Publications (2)
Publication Number | Publication Date |
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CN114605257A CN114605257A (zh) | 2022-06-10 |
CN114605257B true CN114605257B (zh) | 2022-08-09 |
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CN202210140354.0A Pending CN114409530A (zh) | 2022-02-16 | 2022-02-16 | 一种l-乳酸的提纯方法 |
CN202210525607.6A Active CN114605257B (zh) | 2022-02-16 | 2022-05-16 | 一种l-乳酸的提纯方法 |
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CN202210140354.0A Pending CN114409530A (zh) | 2022-02-16 | 2022-02-16 | 一种l-乳酸的提纯方法 |
Country Status (3)
Country | Link |
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CN (2) | CN114409530A (zh) |
LU (1) | LU505290B1 (zh) |
WO (1) | WO2023155797A1 (zh) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114409530A (zh) * | 2022-02-16 | 2022-04-29 | 欧尚元(天津)有限公司 | 一种l-乳酸的提纯方法 |
CN115354152B (zh) * | 2022-08-25 | 2023-12-29 | 上海锦源晟新能源材料有限公司 | 一种用于从高杂含钴溶液中分离富集钴的连续操作系统及其方法 |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN100401916C (zh) * | 2006-03-15 | 2008-07-16 | 浙江大学 | 一种菊芋浸提液的脱色方法 |
CN104817449B (zh) * | 2014-12-31 | 2016-09-07 | 三达膜科技(厦门)有限公司 | 一种丁二酸的分离提纯方法 |
CN110483276A (zh) * | 2019-07-26 | 2019-11-22 | 山东寿光巨能金玉米开发有限公司 | 一种d-乳酸提取方法 |
CN111269107B (zh) * | 2020-04-09 | 2021-08-03 | 安徽固德生物工程有限公司 | 一种l-乳酸提纯精制方法 |
CN111592458B (zh) * | 2020-05-25 | 2022-12-23 | 中粮营养健康研究院有限公司 | 分离乳酸的方法 |
CN113527085A (zh) * | 2021-07-23 | 2021-10-22 | 厦门世达膜工程有限公司 | 一种从乳酸发酵液中提纯乳酸的生产方法 |
CN114409530A (zh) * | 2022-02-16 | 2022-04-29 | 欧尚元(天津)有限公司 | 一种l-乳酸的提纯方法 |
-
2022
- 2022-02-16 CN CN202210140354.0A patent/CN114409530A/zh active Pending
- 2022-05-16 CN CN202210525607.6A patent/CN114605257B/zh active Active
-
2023
- 2023-02-15 WO PCT/CN2023/076141 patent/WO2023155797A1/zh active Application Filing
- 2023-02-15 LU LU505290A patent/LU505290B1/en active IP Right Grant
Also Published As
Publication number | Publication date |
---|---|
LU505290B1 (en) | 2024-02-19 |
WO2023155797A1 (zh) | 2023-08-24 |
LU505290A1 (en) | 2023-10-26 |
CN114605257A (zh) | 2022-06-10 |
CN114409530A (zh) | 2022-04-29 |
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Address after: No. 16 Huike Road, Shuanggang Town, Jinnan District, Tianjin, 300350 Patentee after: Oushangyuan Intelligent Equipment Co.,Ltd. Country or region after: China Address before: 300350 6-3-501, Ligang Park, Shuanggang Town, Jinnan District, Tianjin Patentee before: Aoshangyuan (Tianjin) Co.,Ltd. Country or region before: China |
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CP03 | Change of name, title or address |
Address after: No. 16 Huike Road, Shuanggang Town, Jinnan District, Tianjin, 300350 Patentee after: Oushangyuan Intelligent Equipment Co.,Ltd. Country or region after: China Address before: No. 16 Huike Road, Shuanggang Town, Jinnan District, Tianjin, 300350 Patentee before: Oushangyuan Intelligent Equipment Co.,Ltd. Country or region before: China |
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