CN115073280A - 一种从聚乳酸合成底物中回收高光学纯度乳酸的方法 - Google Patents
一种从聚乳酸合成底物中回收高光学纯度乳酸的方法 Download PDFInfo
- Publication number
- CN115073280A CN115073280A CN202210912675.8A CN202210912675A CN115073280A CN 115073280 A CN115073280 A CN 115073280A CN 202210912675 A CN202210912675 A CN 202210912675A CN 115073280 A CN115073280 A CN 115073280A
- Authority
- CN
- China
- Prior art keywords
- lactic acid
- polylactic acid
- synthetic substrate
- fatty alcohol
- acid
- 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.)
- Pending
Links
- JVTAAEKCZFNVCJ-UHFFFAOYSA-N lactic acid Chemical compound CC(O)C(O)=O JVTAAEKCZFNVCJ-UHFFFAOYSA-N 0.000 title claims abstract description 108
- 229920000747 poly(lactic acid) Polymers 0.000 title claims abstract description 68
- 239000004626 polylactic acid Substances 0.000 title claims abstract description 68
- 239000000758 substrate Substances 0.000 title claims abstract description 66
- 239000004310 lactic acid Substances 0.000 title claims abstract description 56
- 235000014655 lactic acid Nutrition 0.000 title claims abstract description 54
- 238000000034 method Methods 0.000 title claims abstract description 33
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims abstract description 23
- 238000006460 hydrolysis reaction Methods 0.000 claims abstract description 20
- 238000005886 esterification reaction Methods 0.000 claims abstract description 18
- 230000003301 hydrolyzing effect Effects 0.000 claims abstract description 9
- 230000003287 optical effect Effects 0.000 claims abstract description 8
- 108090000790 Enzymes Proteins 0.000 claims abstract description 5
- 102000004190 Enzymes Human genes 0.000 claims abstract description 5
- JVTAAEKCZFNVCJ-REOHCLBHSA-N L-Lactic acid Natural products C[C@H](O)C(O)=O JVTAAEKCZFNVCJ-REOHCLBHSA-N 0.000 claims description 41
- 239000007864 aqueous solution Substances 0.000 claims description 20
- 238000006243 chemical reaction Methods 0.000 claims description 19
- 230000015572 biosynthetic process Effects 0.000 claims description 18
- 150000002191 fatty alcohols Chemical class 0.000 claims description 18
- 238000003786 synthesis reaction Methods 0.000 claims description 18
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 18
- 239000003054 catalyst Substances 0.000 claims description 17
- 238000010931 ester hydrolysis Methods 0.000 claims description 17
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 14
- -1 L-lactic acid fatty alcohol ester Chemical class 0.000 claims description 13
- UIIMBOGNXHQVGW-UHFFFAOYSA-M Sodium bicarbonate Chemical compound [Na+].OC([O-])=O UIIMBOGNXHQVGW-UHFFFAOYSA-M 0.000 claims description 12
- 108010084311 Novozyme 435 Proteins 0.000 claims description 10
- 239000000203 mixture Substances 0.000 claims description 9
- 229930182843 D-Lactic acid Natural products 0.000 claims description 7
- JVTAAEKCZFNVCJ-UWTATZPHSA-N D-lactic acid Chemical compound C[C@@H](O)C(O)=O JVTAAEKCZFNVCJ-UWTATZPHSA-N 0.000 claims description 7
- 229940022769 d- lactic acid Drugs 0.000 claims description 7
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 claims description 6
- 239000007788 liquid Substances 0.000 claims description 6
- 229910000030 sodium bicarbonate Inorganic materials 0.000 claims description 6
- 235000017557 sodium bicarbonate Nutrition 0.000 claims description 6
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims description 4
- 238000010533 azeotropic distillation Methods 0.000 claims description 4
- DNIAPMSPPWPWGF-GSVOUGTGSA-N (R)-(-)-Propylene glycol Chemical compound C[C@@H](O)CO DNIAPMSPPWPWGF-GSVOUGTGSA-N 0.000 claims description 3
- NGSFWBMYFKHRBD-HSHFZTNMSA-M sodium;(2r)-2-hydroxypropanoate Chemical compound [Na+].C[C@@H](O)C([O-])=O NGSFWBMYFKHRBD-HSHFZTNMSA-M 0.000 claims description 3
- 238000003756 stirring Methods 0.000 claims description 3
- LSNNMFCWUKXFEE-UHFFFAOYSA-M Bisulfite Chemical compound OS([O-])=O LSNNMFCWUKXFEE-UHFFFAOYSA-M 0.000 claims description 2
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 claims description 2
- 230000002378 acidificating effect Effects 0.000 claims description 2
- 239000011259 mixed solution Substances 0.000 claims description 2
- 229910017604 nitric acid Inorganic materials 0.000 claims description 2
- 238000010025 steaming Methods 0.000 claims description 2
- 230000007062 hydrolysis Effects 0.000 abstract description 14
- JVTAAEKCZFNVCJ-UHFFFAOYSA-M Lactate Chemical compound CC(O)C([O-])=O JVTAAEKCZFNVCJ-UHFFFAOYSA-M 0.000 abstract description 11
- 238000011084 recovery Methods 0.000 abstract description 10
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 238000006555 catalytic reaction Methods 0.000 abstract description 2
- 239000002994 raw material Substances 0.000 abstract description 2
- 230000002194 synthesizing effect Effects 0.000 abstract description 2
- 239000000047 product Substances 0.000 description 25
- LZCLXQDLBQLTDK-UHFFFAOYSA-N ethyl 2-hydroxypropanoate Chemical compound CCOC(=O)C(C)O LZCLXQDLBQLTDK-UHFFFAOYSA-N 0.000 description 12
- 229940116333 ethyl lactate Drugs 0.000 description 6
- 239000000243 solution Substances 0.000 description 5
- 239000012086 standard solution Substances 0.000 description 5
- 238000001514 detection method Methods 0.000 description 4
- 230000032050 esterification Effects 0.000 description 4
- 238000006116 polymerization reaction Methods 0.000 description 4
- 238000000926 separation method Methods 0.000 description 4
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- 238000002474 experimental method Methods 0.000 description 3
- JJTUDXZGHPGLLC-UHFFFAOYSA-N lactide Chemical compound CC1OC(=O)C(C)OC1=O JJTUDXZGHPGLLC-UHFFFAOYSA-N 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 125000000896 monocarboxylic acid group Chemical group 0.000 description 3
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 2
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- 238000006136 alcoholysis reaction Methods 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 235000014113 dietary fatty acids Nutrition 0.000 description 2
- 238000007865 diluting Methods 0.000 description 2
- 150000002148 esters Chemical class 0.000 description 2
- 239000000194 fatty acid Substances 0.000 description 2
- 229930195729 fatty acid Natural products 0.000 description 2
- KJFMBFZCATUALV-UHFFFAOYSA-N phenolphthalein Chemical compound C1=CC(O)=CC=C1C1(C=2C=CC(O)=CC=2)C2=CC=CC=C2C(=O)O1 KJFMBFZCATUALV-UHFFFAOYSA-N 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 238000004448 titration Methods 0.000 description 2
- 102000003855 L-lactate dehydrogenase Human genes 0.000 description 1
- 108700023483 L-lactate dehydrogenases Proteins 0.000 description 1
- 239000003377 acid catalyst Substances 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000012159 carrier gas Substances 0.000 description 1
- 238000010790 dilution Methods 0.000 description 1
- 239000012895 dilution Substances 0.000 description 1
- 239000000539 dimer Substances 0.000 description 1
- 238000004821 distillation Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000010812 external standard method Methods 0.000 description 1
- 150000004665 fatty acids Chemical class 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 238000004817 gas chromatography Methods 0.000 description 1
- 239000000413 hydrolysate Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- VUZPPFZMUPKLLV-UHFFFAOYSA-N methane;hydrate Chemical compound C.O VUZPPFZMUPKLLV-UHFFFAOYSA-N 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000004094 surface-active agent Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 239000013638 trimer Substances 0.000 description 1
- 238000005303 weighing Methods 0.000 description 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
- C07C51/09—Preparation of carboxylic acids or their salts, halides or anhydrides from carboxylic acid esters or lactones
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C67/00—Preparation of carboxylic acid esters
- C07C67/03—Preparation of carboxylic acid esters by reacting an ester group with a hydroxy group
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C67/00—Preparation of carboxylic acid esters
- C07C67/08—Preparation of carboxylic acid esters by reacting carboxylic acids or symmetrical anhydrides with the hydroxy or O-metal group of organic compounds
-
- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12P—FERMENTATION OR ENZYME-USING PROCESSES TO SYNTHESISE A DESIRED CHEMICAL COMPOUND OR COMPOSITION OR TO SEPARATE OPTICAL ISOMERS FROM A RACEMIC MIXTURE
- C12P7/00—Preparation of oxygen-containing organic compounds
- C12P7/40—Preparation of oxygen-containing organic compounds containing a carboxyl group including Peroxycarboxylic acids
- C12P7/56—Lactic acid
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07B—GENERAL METHODS OF ORGANIC CHEMISTRY; APPARATUS THEREFOR
- C07B2200/00—Indexing scheme relating to specific properties of organic compounds
- C07B2200/07—Optical isomers
-
- 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
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/62—Plastics recycling; Rubber recycling
Abstract
Description
Claims (9)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202210912675.8A CN115073280A (zh) | 2022-08-02 | 2022-08-02 | 一种从聚乳酸合成底物中回收高光学纯度乳酸的方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202210912675.8A CN115073280A (zh) | 2022-08-02 | 2022-08-02 | 一种从聚乳酸合成底物中回收高光学纯度乳酸的方法 |
Publications (1)
Publication Number | Publication Date |
---|---|
CN115073280A true CN115073280A (zh) | 2022-09-20 |
Family
ID=83242293
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202210912675.8A Pending CN115073280A (zh) | 2022-08-02 | 2022-08-02 | 一种从聚乳酸合成底物中回收高光学纯度乳酸的方法 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN115073280A (zh) |
Citations (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB855669A (en) * | 1956-05-07 | 1960-12-07 | Hoechst Ag | A process for the manufacture of polymers by emulsion or suspension polymerisation |
JP2002335989A (ja) * | 2001-05-14 | 2002-11-26 | Ihara Chem Ind Co Ltd | D−乳酸イソブチルの精製法 |
CN1450046A (zh) * | 2002-04-05 | 2003-10-22 | 中国科学院大连化学物理研究所 | 一种高收率、高光学纯度的l-乳酸丁酯合成方法 |
JP2006137892A (ja) * | 2004-11-15 | 2006-06-01 | Toyohashi Univ Of Technology | ポリ乳酸廃棄物の再生方法 |
CN101456812A (zh) * | 2009-01-07 | 2009-06-17 | 南京中狮化学品有限公司 | 一种乳酸酯的纯化方法 |
CN101492367A (zh) * | 2009-03-11 | 2009-07-29 | 合肥工业大学 | 一种精制乳酸的方法 |
JP2009195149A (ja) * | 2008-02-20 | 2009-09-03 | Daiso Co Ltd | 乳酸エステルを光学分割する方法 |
CN102675102A (zh) * | 2012-04-27 | 2012-09-19 | 孝感市易生新材料有限公司 | 一种连续生产高含量和高光学纯度乳酸酯的方法 |
CN105401467A (zh) * | 2015-10-26 | 2016-03-16 | 叶澄 | 一种高效乳化分散去油剂 |
CN112521264A (zh) * | 2020-11-23 | 2021-03-19 | 安徽丰原福泰来聚乳酸有限公司 | 一种从聚乳酸合成底物中回收乳酸的方法及装置 |
CN113621657A (zh) * | 2021-07-27 | 2021-11-09 | 华南理工大学 | 一种类细胞多相乳液光酶体系催化油脂水解脱羧的方法 |
CN114805058A (zh) * | 2022-04-21 | 2022-07-29 | 济宁市技师学院 | 一种从聚乳酸合成底物中回收乳酸的方法及装置 |
-
2022
- 2022-08-02 CN CN202210912675.8A patent/CN115073280A/zh active Pending
Patent Citations (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB855669A (en) * | 1956-05-07 | 1960-12-07 | Hoechst Ag | A process for the manufacture of polymers by emulsion or suspension polymerisation |
JP2002335989A (ja) * | 2001-05-14 | 2002-11-26 | Ihara Chem Ind Co Ltd | D−乳酸イソブチルの精製法 |
CN1450046A (zh) * | 2002-04-05 | 2003-10-22 | 中国科学院大连化学物理研究所 | 一种高收率、高光学纯度的l-乳酸丁酯合成方法 |
JP2006137892A (ja) * | 2004-11-15 | 2006-06-01 | Toyohashi Univ Of Technology | ポリ乳酸廃棄物の再生方法 |
JP2009195149A (ja) * | 2008-02-20 | 2009-09-03 | Daiso Co Ltd | 乳酸エステルを光学分割する方法 |
CN101456812A (zh) * | 2009-01-07 | 2009-06-17 | 南京中狮化学品有限公司 | 一种乳酸酯的纯化方法 |
CN101492367A (zh) * | 2009-03-11 | 2009-07-29 | 合肥工业大学 | 一种精制乳酸的方法 |
CN102675102A (zh) * | 2012-04-27 | 2012-09-19 | 孝感市易生新材料有限公司 | 一种连续生产高含量和高光学纯度乳酸酯的方法 |
CN105401467A (zh) * | 2015-10-26 | 2016-03-16 | 叶澄 | 一种高效乳化分散去油剂 |
CN112521264A (zh) * | 2020-11-23 | 2021-03-19 | 安徽丰原福泰来聚乳酸有限公司 | 一种从聚乳酸合成底物中回收乳酸的方法及装置 |
CN113621657A (zh) * | 2021-07-27 | 2021-11-09 | 华南理工大学 | 一种类细胞多相乳液光酶体系催化油脂水解脱羧的方法 |
CN114805058A (zh) * | 2022-04-21 | 2022-07-29 | 济宁市技师学院 | 一种从聚乳酸合成底物中回收乳酸的方法及装置 |
Non-Patent Citations (1)
Title |
---|
张媛媛,等: "盐对酶促对羟基苯甘氨酸酯不对称水解的影响", 现代食品科技, vol. 28, no. 8, pages 898 - 902 * |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CA2729894C (en) | Method for the production of free carboxylic acids | |
CN101386562B (zh) | 非溶剂还原法制备高级烷醇混合物的方法 | |
JP2010180171A (ja) | アクリル酸の製造方法 | |
Lerin et al. | Successive cycles of utilization of Novozym 435 in three different reaction systems | |
EP2044184A4 (en) | PREPARATION OF A REFINERY INGREDIENTS FROM SOAPS ARISING FROM A CHEMICAL INCLUSIVE METHOD | |
Zhang et al. | Chemo-enzymatic epoxidation of Sapindus mukurossi fatty acids catalyzed with Candida sp. 99–125 lipase in a solvent-free system | |
CA2657666A1 (en) | Process for the direct production of esters of carboxylic acids from fermentation broths | |
CN101108928A (zh) | 一种粉末涂料固化剂及所使用的长碳链聚酐制备方法 | |
EP2821384B1 (en) | Production process for preparing cyclohexanol and cyclohexanone by cyclohexane oxidation | |
CN113072444A (zh) | 一种分离提取r-3-羟基丁酸甲酯的方法 | |
CN114315570A (zh) | 一种工业化制备中碳链甘油三酯的方法 | |
EP3130563B1 (en) | Method for treating methionine production waste water | |
CN115073280A (zh) | 一种从聚乳酸合成底物中回收高光学纯度乳酸的方法 | |
CN113684230A (zh) | 一种酶法制备结构脂的方法 | |
CN102993009B (zh) | 一种单硬脂酸甘油酯α晶体的制备方法 | |
CN104892416A (zh) | 一种丙烯酸-2-乙基己酯废油回收工艺 | |
CN101759554B (zh) | 一种处理和利用酒石酸氢钾母液的方法 | |
CN111321191A (zh) | 一种酶法制备植物甾醇酯的方法 | |
CN113087612A (zh) | 一种酒石酸钾钠的生产方法 | |
CN102381996A (zh) | 一种甲基丙烯酸二乙基氨基乙酯的制备方法 | |
CN112876394A (zh) | 一种dl-羟基硒代蛋氨酸的制备方法 | |
KR20160133892A (ko) | 고압 이산화탄소 기체를 이용한 미생물 발효공정으로부터의 에스테르 제조방법 | |
CN104844457B (zh) | 一种(3r,5s)‑6‑氯二羟基己酸叔丁酯的制备方法 | |
CN86106683A (zh) | 蔗糖脂肪酸酯的合成方法 | |
CN103804130A (zh) | 蜂蜡常压还原法制备高级烷醇的方法 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
TA01 | Transfer of patent application right |
Effective date of registration: 20240418 Address after: No.2196 Hongqi South Road, Economic and Technological Development Zone, Ma'anshan City, Anhui Province, 243003 Applicant after: Ma'anshan Tongjieliang Polylactic Acid Materials Co.,Ltd. Country or region after: China Address before: 243071 No. 2196, Hongqi South Road, economic and Technological Development Zone, Ma'anshan City, Anhui Province Applicant before: MAANSHAN TONGJIELIANG BIOLOGICAL MATERIAL CO.,LTD. Country or region before: China |