DE294726C - - Google Patents
Info
- Publication number
- DE294726C DE294726C DENDAT294726D DE294726DA DE294726C DE 294726 C DE294726 C DE 294726C DE NDAT294726 D DENDAT294726 D DE NDAT294726D DE 294726D A DE294726D A DE 294726DA DE 294726 C DE294726 C DE 294726C
- Authority
- DE
- Germany
- Prior art keywords
- lactic acid
- alcohol
- pure
- concentrated
- impurities
- 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.)
- Active
Links
- JVTAAEKCZFNVCJ-UHFFFAOYSA-N lactic acid Chemical compound CC(O)C(O)=O JVTAAEKCZFNVCJ-UHFFFAOYSA-N 0.000 claims description 50
- 235000014655 lactic acid Nutrition 0.000 claims description 25
- 239000004310 lactic acid Substances 0.000 claims description 25
- 239000012535 impurity Substances 0.000 claims description 5
- 238000000034 method Methods 0.000 claims description 5
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 4
- 239000002244 precipitate Substances 0.000 claims description 4
- 239000000126 substance Substances 0.000 claims description 4
- 238000009835 boiling Methods 0.000 claims description 3
- 238000002360 preparation method Methods 0.000 claims description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims 1
- OSGAYBCDTDRGGQ-UHFFFAOYSA-L calcium sulfate Inorganic materials [Ca+2].[O-]S([O-])(=O)=O OSGAYBCDTDRGGQ-UHFFFAOYSA-L 0.000 claims 1
- ZOMBKNNSYQHRCA-UHFFFAOYSA-J calcium sulfate hemihydrate Chemical compound O.[Ca+2].[Ca+2].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O ZOMBKNNSYQHRCA-UHFFFAOYSA-J 0.000 claims 1
- 239000011507 gypsum plaster Substances 0.000 claims 1
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 8
- 150000003839 salts Chemical class 0.000 description 4
- 239000003610 charcoal Substances 0.000 description 3
- 239000000047 product Substances 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 229920001353 Dextrin Polymers 0.000 description 2
- 239000004375 Dextrin Substances 0.000 description 2
- 235000019425 dextrin Nutrition 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
- 239000000706 filtrate Substances 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 238000002955 isolation Methods 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 1
- 235000011941 Tilia x europaea Nutrition 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 150000001298 alcohols Chemical class 0.000 description 1
- 150000008064 anhydrides Chemical class 0.000 description 1
- 238000004040 coloring Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 239000012043 crude product Substances 0.000 description 1
- 238000007865 diluting Methods 0.000 description 1
- 239000003085 diluting agent Substances 0.000 description 1
- 238000004821 distillation Methods 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 239000004571 lime Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 235000013336 milk Nutrition 0.000 description 1
- 239000008267 milk Substances 0.000 description 1
- 210000004080 milk Anatomy 0.000 description 1
- 239000002904 solvent Substances 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
- C07C51/42—Separation; Purification; Stabilisation; Use of additives
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Polysaccharides And Polysaccharide Derivatives (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE294726C true DE294726C (enrdf_load_stackoverflow) |
Family
ID=549268
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT294726D Active DE294726C (enrdf_load_stackoverflow) |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE294726C (enrdf_load_stackoverflow) |
-
0
- DE DENDAT294726D patent/DE294726C/de active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| DE1493815A1 (de) | Verfahren zur Herstellung von Bisphenol aus harzartigen Nebenprodukten | |
| DE1000377B (de) | Verfahren zur Herstellung von Chrysanthemummonocarbonsaeureestern | |
| DE294726C (enrdf_load_stackoverflow) | ||
| DE2645281A1 (de) | Verfahren zur herstellung von isophoron | |
| AT72745B (de) | Verfahren zur Darstellung reiner Milchsäure. | |
| DE1276635B (de) | Verfahren zur Herstellung von Kaliumsorbat | |
| DE924752C (de) | Verfahren zur Herstellung von Tricyclodekandicarbonsaeure aus Tricyclodekandimethylol durch Alkalischmelze | |
| CH639943A5 (de) | Verfahren zur herstellung von phenylhydrazin. | |
| DE965230C (de) | Verfahren zur Wiedergewinnung von Katalysatoren und Nebenprodukten aus den Mutterlaugen der Adipinsaeuregewinnung | |
| DE963330C (de) | Verfahren zur Gewinnung von reiner Pimelinsaeure | |
| DE110010C (enrdf_load_stackoverflow) | ||
| DE1002339C2 (de) | Verfahren zur Aufarbeitung des bei der Oxydation von technischem trans-Dekahydronaphthalin gebildeten Reaktionsgemisches | |
| DE875804C (de) | Verfahren zur Herstellung von Umwandlungsprodukten des Pentaerythrit-dichlorhydrin-monoschwefligsaeureesters | |
| DE473330C (de) | Verfahren zur Herstellung eines wasserloeslichen Pinenderivates | |
| DE248885C (enrdf_load_stackoverflow) | ||
| DE583702C (de) | Verfahren zur Herstellung von fluechtigen organischen Saeuren | |
| DE1768704C (enrdf_load_stackoverflow) | ||
| DE833489C (de) | Verfahren zur Herstellung von analytisch reinem Ammonsulfat aus Kokerei-Ammonsulfat | |
| DE2529170A1 (de) | Verfahren zur reinigung waessriger roh-glycolsaeure-loesungen | |
| AT203483B (de) | Verfahren zur Reinigung unreiner, insbesondere stark riechender Kresole | |
| DE929729C (de) | Verfahren zur Reinigung von Dehydrocholsaeure | |
| DE2646808B2 (de) | Verfahren zur Reinigung von im Zuge der Anthrachinonherstellung erhaltenem Phthalsäureanhydrid | |
| DE549110C (de) | Verfahren zur Darstellung von Sterinen, insbesondere Ergosterin, aus Hefe und anderen Pilzen | |
| DE10207747A1 (de) | Verfahren zur Herstellung von 2,2,4,-Trimethyl-1,3-pentandiolmonoisobutyrat oder 2,2,4,-Trimethyl-1,3-pentandiolmonoisobutyrat-haltigen Gemischen | |
| DE507794C (de) | Verfahren zur Darstellung von Glycerophosphaten |