JPS6258343B2 - - Google Patents
Info
- Publication number
- JPS6258343B2 JPS6258343B2 JP14267279A JP14267279A JPS6258343B2 JP S6258343 B2 JPS6258343 B2 JP S6258343B2 JP 14267279 A JP14267279 A JP 14267279A JP 14267279 A JP14267279 A JP 14267279A JP S6258343 B2 JPS6258343 B2 JP S6258343B2
- Authority
- JP
- Japan
- Prior art keywords
- lactic acid
- distillation
- water
- aldehyde content
- heat treatment
- 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
Links
- JVTAAEKCZFNVCJ-UHFFFAOYSA-N lactic acid Chemical compound CC(O)C(O)=O JVTAAEKCZFNVCJ-UHFFFAOYSA-N 0.000 claims description 49
- 235000014655 lactic acid Nutrition 0.000 claims description 25
- 239000004310 lactic acid Substances 0.000 claims description 24
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 12
- 238000000034 method Methods 0.000 claims description 10
- 239000007864 aqueous solution Substances 0.000 claims description 7
- 239000000243 solution Substances 0.000 claims description 4
- 239000002253 acid Substances 0.000 claims description 3
- 125000002485 formyl group Chemical class [H]C(*)=O 0.000 description 12
- 238000010438 heat treatment Methods 0.000 description 9
- 238000004821 distillation Methods 0.000 description 8
- 239000003153 chemical reaction reagent Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 3
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 3
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- 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 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 235000013373 food additive Nutrition 0.000 description 2
- 239000002778 food additive Substances 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 239000003456 ion exchange resin Substances 0.000 description 2
- 229920003303 ion-exchange polymer Polymers 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- GEHJYWRUCIMESM-UHFFFAOYSA-L sodium sulfite Chemical compound [Na+].[Na+].[O-]S([O-])=O GEHJYWRUCIMESM-UHFFFAOYSA-L 0.000 description 2
- MNKRTDOUBUSQHX-UHFFFAOYSA-N 2,4-dihydroxy-2-methyl-3-oxopentanoic acid Chemical compound CC(O)C(=O)C(C)(O)C(O)=O MNKRTDOUBUSQHX-UHFFFAOYSA-N 0.000 description 1
- AURKDQJEOYBJSQ-UHFFFAOYSA-N 2-hydroxypropanoyl 2-hydroxypropanoate Chemical compound CC(O)C(=O)OC(=O)C(C)O AURKDQJEOYBJSQ-UHFFFAOYSA-N 0.000 description 1
- 230000000844 anti-bacterial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 238000004040 coloring Methods 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 238000000855 fermentation Methods 0.000 description 1
- 230000004151 fermentation Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 238000006068 polycondensation reaction Methods 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 238000001577 simple distillation Methods 0.000 description 1
- 235000010265 sodium sulphite Nutrition 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 235000019614 sour taste Nutrition 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- 238000005979 thermal decomposition reaction Methods 0.000 description 1
Landscapes
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14267279A JPS5665841A (en) | 1979-11-02 | 1979-11-02 | Purification of lactic acid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14267279A JPS5665841A (en) | 1979-11-02 | 1979-11-02 | Purification of lactic acid |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5665841A JPS5665841A (en) | 1981-06-03 |
| JPS6258343B2 true JPS6258343B2 (enrdf_load_stackoverflow) | 1987-12-05 |
Family
ID=15320811
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14267279A Granted JPS5665841A (en) | 1979-11-02 | 1979-11-02 | Purification of lactic acid |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5665841A (enrdf_load_stackoverflow) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ES2225112T3 (es) * | 1999-03-22 | 2005-03-16 | Purac Biochem Bv | Procedimiento de purificacion de acido lactico a escala industrial. |
| JP4586233B2 (ja) * | 2000-04-18 | 2010-11-24 | 日本化成株式会社 | プロピオール酸の蒸留方法 |
| ES2765889T3 (es) * | 2008-12-26 | 2020-06-11 | Toray Industries | Procedimiento para la producción de ácido láctico y procedimiento para la producción de ácido poliláctico |
| EP3196186B1 (en) * | 2014-09-17 | 2019-02-20 | Nippon Shokubai Co., Ltd. | Method for producing vapor composition containing lactic acid |
| EP4124615B1 (en) * | 2020-11-24 | 2024-07-31 | Lg Chem, Ltd. | Process for producing acrylic acid |
-
1979
- 1979-11-02 JP JP14267279A patent/JPS5665841A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5665841A (en) | 1981-06-03 |
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