DE2025052C - - Google Patents
Info
- Publication number
- DE2025052C DE2025052C DE19702025052 DE2025052A DE2025052C DE 2025052 C DE2025052 C DE 2025052C DE 19702025052 DE19702025052 DE 19702025052 DE 2025052 A DE2025052 A DE 2025052A DE 2025052 C DE2025052 C DE 2025052C
- Authority
- DE
- Germany
- Prior art keywords
- lactic acid
- acid
- nitrogen
- nitric acid
- bar
- 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 22
- 239000004310 lactic acid Substances 0.000 claims description 22
- 235000014655 lactic acid Nutrition 0.000 claims description 22
- IJGRMHOSHXDMSA-UHFFFAOYSA-N nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 22
- 229910052757 nitrogen Inorganic materials 0.000 claims description 12
- GRYLNZFGIOXLOG-UHFFFAOYSA-N nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 claims description 11
- 239000001257 hydrogen Substances 0.000 claims description 9
- 229910052739 hydrogen Inorganic materials 0.000 claims description 9
- UFHFLCQGNIYNRP-UHFFFAOYSA-N hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 9
- 239000003054 catalyst Substances 0.000 claims description 7
- 229910052751 metal Inorganic materials 0.000 claims description 6
- 239000002184 metal Substances 0.000 claims description 6
- -1 ammonium ions Chemical class 0.000 claims description 5
- 238000000034 method Methods 0.000 claims description 5
- 238000006243 chemical reaction Methods 0.000 claims description 4
- 238000006460 hydrolysis reaction Methods 0.000 claims description 4
- 230000003647 oxidation Effects 0.000 claims description 4
- 238000007254 oxidation reaction Methods 0.000 claims description 4
- KDLHZDBZIXYQEI-UHFFFAOYSA-N palladium Chemical compound [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 claims description 4
- 125000004805 propylene group Chemical group [H]C([H])([H])C([H])([*:1])C([H])([H])[*:2] 0.000 claims description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 3
- 230000015572 biosynthetic process Effects 0.000 claims description 2
- 239000003729 cation exchange resin Substances 0.000 claims description 2
- 238000005755 formation reaction Methods 0.000 claims description 2
- 238000005984 hydrogenation reaction Methods 0.000 claims description 2
- 239000001301 oxygen Substances 0.000 claims description 2
- 229910052760 oxygen Inorganic materials 0.000 claims description 2
- MYMOFIZGZYHOMD-UHFFFAOYSA-N oxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 claims description 2
- 229910052763 palladium Inorganic materials 0.000 claims description 2
- 239000002253 acid Substances 0.000 claims 5
- 239000000543 intermediate Substances 0.000 claims 4
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims 4
- 238000006555 catalytic reaction Methods 0.000 claims 2
- 239000012535 impurity Substances 0.000 claims 2
- 150000002739 metals Chemical class 0.000 claims 2
- 239000000203 mixture Substances 0.000 claims 2
- LRHPLDYGYMQRHN-UHFFFAOYSA-N n-butanol Chemical compound CCCCO LRHPLDYGYMQRHN-UHFFFAOYSA-N 0.000 claims 2
- JCXJVPUVTGWSNB-UHFFFAOYSA-N nitrogen dioxide Chemical compound O=[N]=O JCXJVPUVTGWSNB-UHFFFAOYSA-N 0.000 claims 2
- 230000000737 periodic Effects 0.000 claims 2
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 claims 2
- 238000000746 purification Methods 0.000 claims 2
- 239000005909 Kieselgur Substances 0.000 claims 1
- 210000004080 Milk Anatomy 0.000 claims 1
- 239000005092 Ruthenium Substances 0.000 claims 1
- 241000158147 Sator Species 0.000 claims 1
- 150000007513 acids Chemical class 0.000 claims 1
- 239000000654 additive Substances 0.000 claims 1
- 239000007864 aqueous solution Substances 0.000 claims 1
- 239000010425 asbestos Substances 0.000 claims 1
- 238000010533 azeotropic distillation Methods 0.000 claims 1
- 239000000969 carrier Substances 0.000 claims 1
- 229940023913 cation exchange resins Drugs 0.000 claims 1
- 239000003245 coal Substances 0.000 claims 1
- 238000000909 electrodialysis Methods 0.000 claims 1
- 238000000605 extraction Methods 0.000 claims 1
- 239000004744 fabric Substances 0.000 claims 1
- 235000013305 food Nutrition 0.000 claims 1
- UKVIEHSSVKSQBA-UHFFFAOYSA-N methane;palladium Chemical compound C.[Pd] UKVIEHSSVKSQBA-UHFFFAOYSA-N 0.000 claims 1
- 239000008267 milk Substances 0.000 claims 1
- 235000013336 milk Nutrition 0.000 claims 1
- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen group Chemical group [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 claims 1
- 229910000510 noble metal Inorganic materials 0.000 claims 1
- 239000002245 particle Substances 0.000 claims 1
- 238000005020 pharmaceutical industry Methods 0.000 claims 1
- 229910052697 platinum Inorganic materials 0.000 claims 1
- 239000000843 powder Substances 0.000 claims 1
- 239000010970 precious metal Substances 0.000 claims 1
- 239000008262 pumice Substances 0.000 claims 1
- 239000010453 quartz Substances 0.000 claims 1
- 229910052904 quartz Inorganic materials 0.000 claims 1
- MHOVAHRLVXNVSD-UHFFFAOYSA-N rhodium Chemical compound [Rh] MHOVAHRLVXNVSD-UHFFFAOYSA-N 0.000 claims 1
- 229910052703 rhodium Inorganic materials 0.000 claims 1
- 239000010948 rhodium Substances 0.000 claims 1
- 229910052895 riebeckite Inorganic materials 0.000 claims 1
- KJTLSVCANCCWHF-UHFFFAOYSA-N ruthenium Chemical compound [Ru] KJTLSVCANCCWHF-UHFFFAOYSA-N 0.000 claims 1
- 229910052707 ruthenium Inorganic materials 0.000 claims 1
- 239000004576 sand Substances 0.000 claims 1
- 150000003335 secondary amines Chemical class 0.000 claims 1
- 238000000926 separation method Methods 0.000 claims 1
- 239000000377 silicon dioxide Substances 0.000 claims 1
- 239000000243 solution Substances 0.000 claims 1
- 229910001220 stainless steel Inorganic materials 0.000 claims 1
- 239000010935 stainless steel Substances 0.000 claims 1
- 239000004575 stone Substances 0.000 claims 1
- 150000003512 tertiary amines Chemical class 0.000 claims 1
- VEXZGXHMUGYJMC-UHFFFAOYSA-N HCl Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 2
- UIIMBOGNXHQVGW-UHFFFAOYSA-M NaHCO3 Chemical compound [Na+].OC([O-])=O UIIMBOGNXHQVGW-UHFFFAOYSA-M 0.000 description 2
- WSFSSNUMVMOOMR-UHFFFAOYSA-N formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 description 2
- 150000002829 nitrogen Chemical class 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 1
- 230000000875 corresponding Effects 0.000 description 1
- 238000004821 distillation Methods 0.000 description 1
- VCRYGHPVKURQMM-UHFFFAOYSA-N methane;platinum Chemical compound C.[Pt] VCRYGHPVKURQMM-UHFFFAOYSA-N 0.000 description 1
- PIBWKRNGBLPSSY-UHFFFAOYSA-L palladium(II) chloride Chemical compound Cl[Pd]Cl PIBWKRNGBLPSSY-UHFFFAOYSA-L 0.000 description 1
- 229910000030 sodium bicarbonate Inorganic materials 0.000 description 1
- 235000017557 sodium bicarbonate Nutrition 0.000 description 1
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR6916915A FR2044526A5 (fr) | 1969-05-23 | 1969-05-23 | |
| FR6916915 | 1969-05-23 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE2025052A1 DE2025052A1 (de) | 1970-12-10 |
| DE2025052C true DE2025052C (fr) | 1973-02-01 |
Family
ID=9034533
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19702025052 Granted DE2025052A1 (de) | 1969-05-23 | 1970-05-22 | Verfahren zur Reinigung von Milchsäure |
Country Status (13)
| Country | Link |
|---|---|
| US (1) | US3716584A (fr) |
| JP (1) | JPS5035058B1 (fr) |
| BE (1) | BE750844A (fr) |
| BR (1) | BR7019207D0 (fr) |
| CA (1) | CA923505A (fr) |
| CH (1) | CH500933A (fr) |
| DE (1) | DE2025052A1 (fr) |
| ES (1) | ES379970A1 (fr) |
| FR (1) | FR2044526A5 (fr) |
| GB (1) | GB1265595A (fr) |
| LU (1) | LU60963A1 (fr) |
| NL (1) | NL140862B (fr) |
| SE (1) | SE371432B (fr) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19632924A1 (de) * | 1996-08-16 | 1998-02-19 | Bayer Ag | Verfahren zur Isolierung von Hydroxypivalinsäure aus wäßriger Lösung |
| US6111137A (en) * | 1996-12-20 | 2000-08-29 | Mitsui Chemicals, Inc. | Purification process of lactic acid |
| JP3880175B2 (ja) * | 1996-12-20 | 2007-02-14 | 三井化学株式会社 | 乳酸の精製方法 |
| US20050209328A1 (en) * | 2004-03-19 | 2005-09-22 | Allgood Charles C | Alphahydroxyacids with ultra-low metal concentration |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US924494A (en) * | 1907-11-25 | 1909-06-08 | Chem Fab Florsheim Dr H Noerdlinger | Process of preparing pure lactic acid. |
| GB907322A (en) * | 1958-07-10 | 1962-10-03 | Bowmans Chemicals Ltd | Purification and esterification of lactic acid |
-
1969
- 1969-05-23 FR FR6916915A patent/FR2044526A5/fr not_active Expired
-
1970
- 1970-05-15 NL NL707007134A patent/NL140862B/xx not_active IP Right Cessation
- 1970-05-19 GB GB1265595D patent/GB1265595A/en not_active Expired
- 1970-05-21 US US00039567A patent/US3716584A/en not_active Expired - Lifetime
- 1970-05-21 BR BR219207/70A patent/BR7019207D0/pt unknown
- 1970-05-22 JP JP45043925A patent/JPS5035058B1/ja active Pending
- 1970-05-22 CH CH765370A patent/CH500933A/fr not_active IP Right Cessation
- 1970-05-22 SE SE7007069A patent/SE371432B/xx unknown
- 1970-05-22 BE BE750844D patent/BE750844A/fr unknown
- 1970-05-22 LU LU60963D patent/LU60963A1/xx unknown
- 1970-05-22 CA CA083533A patent/CA923505A/en not_active Expired
- 1970-05-22 DE DE19702025052 patent/DE2025052A1/de active Granted
- 1970-05-23 ES ES379970A patent/ES379970A1/es not_active Expired
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